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The amic Properties -stances at 298.
U.S. GEOLOGICAL SURVE^ BULLETIN 2131
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Thermodynamic Properties of Minerals andRelated Substances at 298.15 K and 1 Bar(105 Pascals) Pressure and at Higher Temperatures
By Richard A. Robie and Brace S. Hemingway
U. S. GEOLOGICAL SURVEY BULLETIN 2131
A summary of the thermodynamic data for minerals at 298.15 K together with calculated values for the JunctionsC°P>T , AfH?, AfG?, S?, (H? - HgJT1. and (G? - at temperatures up to 1800 K
UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1995
U.S. DEPARTMENT OF THE INTERIOR BRUCE BABBITT, Secretary
U.S. GEOLOGICAL SURVEY GORDON P. EATON, Director
For sale by U.S. Geological Survey, Information Services Box 25286, Federal Center, Denver, CO 80225
Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Published in the Eastern Region, Reston, Va. Manuscript approved for publication March 23, 1995.
Library of Congress Cataloging in Publication Data
Robie, Richard A., 1928-Thermodynamic properties of minerals and related substances at 298.15 K and 1 bar (10
Pascals) pressure and at higher temperatures / by Richard A. Robie and Bruce S.Hemingway.p. cm. (Geological Survey bulletin ; 2131)Includes bibliographical references and indexes.Supt.ofDocs.no.: I 19.3:82131
1. Minerals Tables. 2. Thermodynamics Tables. I. Hemingway, Bruce S. II. Title. III.Series: U.S. Geological Survey bulletin ; 2131.
QE75.B9no. 2131 [QE366.8] 557.3 s dc20[549'. 12] 95-19844
CIP
CONTENTS
Abstract........................................................................................................................... 1Introduction..................................................................................................................... 1Physical Constants and Atomic Weights......................................................................... 2Reference States.............................................................................................................. 3Methods of Calculation................................................................................................... 3Additional Comments..................................................................................................... 4Thermodynamic Properties at 298.15 K......................................................................... 5
Elements................................................................................................................ 5Sulfides and Sulfosalts.......................................................................................... 11Oxides and Hydroxides......................................................................................... 15Multiple Oxides .................................................................................................... 21Halides.................................................................................................................. 23Carbonates and Nitrates........................................................................................ 25Sulfates andBorates.............................................................................................. 28Phosphates, Molybdates, and Tungstates.............................................................. 30Ortho and Ring Structure Silicates ....................................................................... 31Chain and Band Structure Silicates....................................................................... 34Framework Structure Silicates.............................................................................. 36Sheet Structure Silicates ....................................................................................... 39
Coefficients for Heat Capacity Equations....................................................................... 41Elements................................................................................................................ 41Sulfides and Sulfosalts.......................................................................................... 45Oxides and Hydroxides......................................................................................... 47Multiple Oxides .................................................................................................... 51Halides.................................................................................................................. 53Carbonates and Nitrates........................................................................................ 55Sulfates and Phosphates........................................................................................ 56Ortho and Ring Structure Silicates ....................................................................... 58Chain and Band Structure Silicates....................................................................... 61Framework Structure Silicates.............................................................................. 63Sheet Structure Silicates ....................................................................................... 65
Thermodynamic Properties at High Temperature of Individual Phases ......................... 67References Cited.............................................................................................................397Namelndex.....................................................................................................................454Formula Index.................................................................................................................458
TABLE
1. Atomic weights of the elements for 1985.................................................................. 4
HI
iv CONTENTS
SYMBOLS, CONSTANTS, AND CONVERSION FACTORS
T Temperature in Kelvins. Ttm Temperature of transition in Kelvins.
K Kelvin, the unit of temperature. It is the fraction 1/273.16 of the thermodynamic tem perature of the triple point of water.
J Joule, the unit of energy (or work). One joule = 1/4.1840 thermochemical calories or10 cm3«bar.
mol Mole, the amount of substance of a system that contains as many elementary entities as there are atoms in 0.012 kilograms of carbon 12. It is identical with the gfw (gram formula weight),
p Pressure in bars. One bar = 105 Pascals or 0.1 MPa. The standard atmosphere is equalto 101325 Pascals. The kilogram-cm"2 is equal to 98065.5 Pascals.
0 Superscript indicates that the substance is in its standard state, 1 bar (105 Pascals) fora condensed phase.
HT- H298 Enthalpy at temperature T relative to 298.15 K in J'mol"1 , also called the heat con tent.
(HJ - H^g)"!"1 Enthalpy function in JnnoH'K"1 (See note below). ST Entropy at temperature T, in J-mor^K"1 .
Gibbs energy function in JnnoH'K"1 . Heat capacity at constant pressure in Jmior^K"1 .Volume of 1 mol of a substance at 1 bar pressure and at 298.15 K, in cm3, or J'bar"1 .
AfuSH° Enthalpy of melting at 1 bar pressure in J'mol"1 . AfcnH0 Enthalpy of transition at 1 bar pressure in J'mol"1 .
AVapH° Enthalpy of vaporization to the ideal gas at 1 bar pressure at the normal boiling pointin J^mol"1 .
AfH° Enthalpy of formation from the elements in their reference states in J'mol"1 . AfG° Gibbs energy of formation from the elements in their reference states in J^mol"1 .
Kf Equilibrium constant of formation. R Gas constant, 8.31451±0.00007 I-K^-mol"1 . F Faraday constant, 96,485.309±0.029 I-V^-mol"1 .
NA Avogadro constant, (6.0221367±0.0000036) x 1023mor1 . log Common logarithm, base 10.
In Natural logarithm, base e = 2.71828... atm Standard atmosphere.
m=l The standard state for an electrolyte in aqueous solution is the hypothetical ideal solu tion at unit activity and with the ions at infinite dilution.
When multiple units appear in the denominator of the symbol (for example, enthalpy function), the SI system does not recommend a particular order. For example, the units for entropy are given as J mol-1 K"1 in table 2.11 and as J K"1 mol" 1 in table 3.5 of the Greenbook (278).
Thermodynamic Properties of Minerals and Related Substancesat 298.15 K and 1 Bar (105 Pascals) Pressure
and at Higher Temperatures
By Richard A. Robie and Bruce S. Hemingway
ABSTRACT
Selected values for the entropy (S°), molar volume (V°), and for the enthalpy and Gibbs energy of formation (AfH° and AfG°) are given for 50 reference elements, 55 sul- fides, 93 oxides and hydroxides, 141 silicates, and 154 other minerals and related substances at 298.15 K. For those min erals for which high-temperature heat-capacity or heat- content data are also available (Hf - H^T"1 , Sj, (Gf - H^g)!"1 , CJ, AfHT.AfGjand log Kf>T are tabulated at 100 K intervals for temperatures up to 1800 K.
INTRODUCTION
In the 17 years since the predecessor to this bulletin was published, an enormous body of new thermochemical and equilibrium measurements for minerals has been pub lished, personal computers have become almost universally available, and a number of "internally consistent thermody- namic property databases" (ICTDB) have been published (37, 67, 117, 149,150,159,187, 188, 374). (In this section, references are indicated by numbers in parentheses.) This report is an updated revision and expansion of U.S. Geolog ical Survey (USGS) Bulletin 1452 (361) and entirely super sedes it. As an example of growth of the thennodynamic properties of mineral database, USGS Bulletin 1452 con tained data for 58 silicate minerals whereas in the current set of tables this number has been increased to 141.
The purpose of these tables is to present a critical sum mary of the available thennodynamic data for minerals and related substances in a convenient form for the use of earth scientists. To make the tables as useful as possible, we have tried (1) to include enough auxiliary data so that a single set of tables would suffice for most calculations, (2) to ensure internal consistency, and (3) to provide the means for rapid revision and expansion as new data become available.
The tables in this compilation are divided into three sections. In the first section, values are given for the entropy (8293), molar volume (Vigg), enthalpy of formation
, Gibbs energy of formation (AfG^g), and the log arithm of the equilibrium constant of formation (log Kft29g) for the reference elements, minerals, and other substances of geological interest (properties at 298.15 K and 1 bar). In the second section, coefficients for the polynomial used to represent the heat capacity at high temperature are tabulated together with the temperature limits of applicability. In the third section, values are given for the thennodynamic prop erties at 100 K intervals for temperatures up to 1800 K. The data are arranged in order of their conventional mineralogi- cal groups. Within each group (for example, the oxides) the listing is by alphabetical order of the chemical symbol of the principal cation.
The data have been taken from the original literature, recent critical evaluations, or have been evaluated by the present authors and estimated uncertainties have been assigned to the thennodynamic properties at 298.15 K. The primary sources of data are indicated numerically in the thennodynamic table of properties at 298.15 K, as "S" for the reference to the data for the entropy, "H/G" for the refer ence to the formation properties, and "C" to references to measured heat capacities above 298.15 K. The references are listed in complete form following the tables. The entropy and heat-capacity values tabulated are based almost exclusively on calorimetric measurements whereas the val ues for the enthalpy or Gibbs energy of formation were obtained from both equilibrium and calorimetric measure ments. The values for the thennodynamic properties of the reference elements have been taken from the JANAF tables (67), the CODATA (85) recommended values, or in the case of calcium, from measurement at the USGS (360). For those silicate glasses for which Sf - S§ has been determined calo- rimetrically and for which the enthalpy of fusion of the crystalline equivalent could be evaluated, the residual entropy (that is, SQ) of the glass has been evaluated and added to the calorimetric entropy to obtain the correct entropy for use in thennodynamic calculations. Glasses and other phases for which Sj - SQ has been measured but for which the residual entropy has not been evaluated are indi cated by a "+" sign and the user must be aware that the
THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
value tabulated does not include the configuration^ entropy.
Although a number of different forms of equations for the representation of the heat capacity at high temperatures have been proposed over the past 10 years, for example Berman (37), Fei and Saxena (104), Richet and Piquet (342), we have retained the form adopted in the previous version of these tables,
Cp = A! + A2 »T + A3-T-2 +
This equation can not be extrapolated beyond its upper limit Inasmuch as most users will have access to a personal computer, the conversion from one form of equation to an alternative form is possible and is left up to the individual user's preference. The entropies listed in the table of coeffi cients for the Cp polynomials corresponds to the tempera ture at the lower limit of the temperature range for the polynomial. This is usually 298.15 K.
For several phases, the existence of multiple transi tions at high temperature makes it impractical to provide a simple polynomial expression for the heat capacity. For such phases, for example Fe, Cui.gS, and several pyrrho- tites, we have listed only the heat capacity at 298. 15 K.
For these phases, one must go to the high-temperature table for the particular phase (if tabulated) to get the heat capacity (and entropy) above room temperature.
Internally consistent thermodynamic property data sets for silicate minerals have been published by Haas et al. (149), Holland and Powell (187, 188), Berman (37), Hal- bach and Chatterjee (150), and Saxena and Chatterjee (374) among others. Inasmuch as most of the authors relied on the same sources of calorimetric and equilibrium data to derive their adopted values, it is surprising that significant differ ences in their listed values for such important phases as grossular, anorthite, phlogopite and muscovite exist. For example, between the most frequently cited ICTDB, those of Berman (37) and Holland and Powell (188), the values of
calculated from their listed values of S^g and differ by 5.7, 3.7 and 3.7 kJTnoH for grossular,
anorthite, and muscovite, respectively, and for analbite and muscovite the tabulated entropies differ by 4.4 and 9.1 JmioH'K"1 , respectively. The point is, of course, that inter nal consistency does not imply that the derived values are accurate.
The reason for these discrepancies is most likely in the assumptions that the individual compiler makes concerning the state of internal Al/Si order. For a 1:3 AJ/Si compound such as the alkali feldspars or micas the complete random mixing of the 3 Si and 1 Al over the 4 tetrahedral sites leads to a contribution to the entropy of 18.7 J»mol~1»K~1 . How ever, if the aluminum-avoidance model is valid, the config- urational entropy will be considerably smaller and of the order of 13 to 14 J'mol'^K"1 . The aluminum-avoidance model has not been calculated exactly and only approxi
mate values are available. The values for the configura- tional entropies that have been derived from phase equilibrium studies by Holland and Powell (188) and by Berman (37) are 12.6 and 17.0 J'moH-K-1 for analbite and 16.0 and 15.1 JnnoH'K"1 for sanidine, respectively. It appears that these calculated values for the entropy of disor der do not unequivocally support the aluminum-avoidance model but rather tend to yield a configurational entropy that is greater than that estimated by the aluminum-avoidance value, but definitely less than the fully random model. Any value of AS greater than that calculated from aluminum- avoidance would presumably mean that this model was inapplicable at high temperatures; for example, at tempera tures greater than 1300 K for analbite the disordering entropy would approach 18.7 JmioH'K"1 . Moreover Gold smith and Jenkins (123) have shown that the Al/Si disorder in NaAlSi3Og is a continuous function of the temperature and that it occurs over a range of several hundred degrees (500-1050 K) and occurs without change in symmetry.
As a consequence of these points the question arises whether one can extract meaningful (unique) values for the entropy of the disordered phase of an alumino-silicate from phase equilibrium studies without having additional infor mation on the Al/Si distribution. For this reason, we have adopted the fully random model for tabulating the high- temperature properties for the Al/Si disordered feldspars and micas. For an extended discussion of the contribution to the entropy of silicate minerals arising from Al/Si or mag netic spin disorder, see Ulbrich and Waldbaum (413).
The differences in the derived values for the thermody namic properties of phases in the CASH system is due in part to the existence of two calorimetric values for the entropy of grossular which differ from one another by 4.6 J-moH-K-1 . The value of Westrum et al. (438) was deter mined on a natural sample and involved a substantial cor rection for impurities. The value given by Haselton and Westrum (157) was derived from measurements on a syn thetic sample. The heat capacity of the synthetic sample used by Haselton and Westrum (157) was later remeasured at the USGS by the present authors (359), who found an entropy S°(Ca3Al2Si3Oi2, 298.15 K) of 259.9 J-moH-K-1 which agrees with the Haselton and Westrum value to within 0.2 Jnnol^K"1 (0.08 percent). For this reason we have accepted the Haselton-Westrum value for the entropy of grossular in evaluating the thermodynamic properties of phases in the CASH system.
PHYSICAL CONSTANTS AND ATOMIC WEIGHTS
The symbols and constants used to prepare these tables are listed in the table of contents. The units adopted for reporting the thermodynamic properties are those of the International System of Units (SI). A formal description of
METHODS OF CALCULATION
the SI system is given by Goldman and Bell (122). The rec ommended symbols and terminology used are those from the International Union of Pure and Applied Chemistry (IUPAC), "Quantities, Units and Symbols in Physical Chemistry", by Mills et al. (278) and commonly called the "Greenbook". The Greenbook is also a convenient source for the CODATA values of the fundamental physical con stants, the 1985 atomic weights of the elements, and con tains a detailed description of the SI system of units.
Values for the gas constant (R), the Faraday constant (F), and the Avogadro constant (A) used in the calculations are those adopted by the CODATA Task Group from the least squares evaluation of Cohen and Taylor (75). For con venience, we also give values for the atomic weights for 1985 (scale C12 = 12.000, Mills et al. (278)) in alphabetical order by their chemical symbol in table 1.
REFERENCE STATES
The reference pressure for the standard state adopted for these tables is 1 bar, that is 105 Pascals. For a gaseous phase, C£, (HT - H^g)!"1 , and AfH° are independent of pressure, but the numerical values of 8°, (Gf - H^gyT"1 , AfG° depend upon the choice of pressure. The change in pressure from p = 1 atm (1.0135 bar) to 1 bar yields AS = 0.11 Jnnol-^K"1 . For a condensed phase (liquid or solid), it can be shown that the effect of changing the reference pres sure from 1 atm to 1 bar has only a trivial effect upon all the thennodynamic properties tabulated in this report except for AfG°, where a change will occur if one of the reference ele ments (usually oxygen) is a gas.
The standard states for the condensed elements are the most stable form at 1 bar pressure and the stated tempera ture. For gaseous elements, the standard state is the ideal gas at 1 bar pressure. Data are listed for the elements in their standard reference states, and for a few in nonstandard states; for example, S2 gas and the diamond form of carbon. The reference state adopted for an element above its normal boiling or sublimation temperature is not necessarily its equilibrium state. Thus, at equilibrium, liquid sulfur boils at 1 bar pressure and approximately 716.9 K to a gas com posed of S, 82, 84, 85, Sg, etc., but for our reference table, we have assumed the gas phase to be only 82. For the refer ence state table for sulfur we have followed the JANAF (67) tables procedure using 882.12 K as the fictive boiling temperature at which liquid sulfur is in equilibrium with 82 gas at 1 bar pressure. Because of the convenience of using diatomic sulfur gas in calculations of sulfide mineral equi libria we have included a second set of high-temperature tables for which the reference state for calculating AfG°, and AfH° and log Kf for the sulfide phase is 82 gas. The user is cautioned not to intermix values from the two different reference states in their calculations. In other ambiguous cases, we have chosen either the dominant species in the gas
or that species for which the best thennodynamic data are available as the reference state.
The reference states for AfH°, AfG°, and log Kf of the compounds are the elements in their standard states at 1 bar pressure and the stated temperature.
METHODS OF CALCULATION
Having chosen what we believe are the currently "best available" values for Hf - H&g, or Cj (T), S&g and either AfHlgg or AfGsgg, we have calculated the Gibbs energy function, and the enthalpy, Gibbs energy, and the equilib rium constant of formation at 100 K intervals using the fol lowing relations:
- ST
= AfH^g + TA[(GT -
and
log Kf;r =AfGx(2.30258 RT)' 1 = -AfG^gC^.HST)-1
These values together with Cj, Sj and (H| - H^g)!"1 are tabulated in the third section.
Transitions in heat capacity are treated in the standard manner: heat capacity curves are fit to the experimental val ues above and below the transition; values calculated from an extrapolation of the equation to the transition tempera ture are compared to the experimental values; and differ ences are summed to give an enthalpy of transition that is applied at the transition temperature.
The uncertainties assigned to the properties apply only to the values at 298.15 K. The principal source has been the original report of the experimental data. By convention, the uncertainty interval reported for calorimetric measurements is twice the standard deviation of the mean; that is,
5 = 2[Z(xi -xm)2/n(n-l)]*
where xj is the value for an individual measurement, xm is the arithmetic mean of all the measurements, and n is the number of measurements.
For generating the high-temperature tables, the input data supplied to the computer are the identifying name of the substance, the entropy, the enthalpy of formation at 298.15 K, the number of atoms of each element in the chemical formula, and the coefficients for the heat capacity equation. A commercial spreadsheet is used to compute the formula weight of the compound and values for Sf, AfGT, log Kf,x, CJ, (HT - HSwyr1 . and (GT - at 100 K intervals up to 1800 K. Auxiliary data such as the melting and boiling points and enthalpies of melting and vaporization are also included. In addition, coefficients
THERMODYNAMC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
from a regression performed on the calculated values of are included. The equation adopted is:
The coefficients for the equations are listed, in scientific notation, at the bottom of the page for the individual high- temperature tables. The equations are given only for those minerals for which the regression yielded a fit of better than 1 percent.
ADDITIONAL COMMENTS
Small numbers of some groups are presented with other groups for convenience and economy. Examples
include tellurides, selenides and arsenides that are included with sulfides and sulfosalts, and methane, cohenite, and ammonia that are included with the elements.
The data available in this publication are also available on diskette for a nominal fee through the Generic Mineral Technology Center for Pyrometallurgy at the University of Missouri at Rolla as a part of the FREED database. FREED is a thennodynamic database program for storing, retriev ing, editing, and manipulating thennodynamic data on a computer. FREED was developed with support from the U.S. Department of Interior's Mineral Institute Program, administered by the U.S. Bureau of Mines, and the U.S. Department of Energy through the Westinghouse Savannah River Plant.
Table 1. Atomic weights of the elements for 1985.
Element
Actinium .......................Silver.............................Aluminum.....................Americium ....................Argon............................Arsenic ..........................Astatine .........................Gold..............................Boron............................Barium ..........................
Beryllium ......................Bismuth.........................Bromine ........................Carbon...........................Calcium.........................Cadmium.......................Cerium ..........................Chlorine ........................Cobalt............................Chromium .....................
Cesium ..........................Copper...........................Dysprosium...................Erbium ..........................Europium ......................Fluorine.........................Iron.............................. .Francium .......................Gallium .........................Gadolinium ...................
Germanium ...................Hydrogen ......................Helium...........................Hafnium ........................Mercury..........................Holmium ........................Iodine.............................Indium...........................Indium ..........................Potassium.......................
Krypton .........................Lanthanum.....................Lithium ..........................Lutetium... .....................Magnesium ...................Manganese .....................Molybdenum..................Nitrogen .........................
Symbol
................ Ac
................ Ag
................ Al
................ Am
................ Ar
................ As
................ At
................ Au
................ B
................ Ba
................ Be
................ Bi
................ Br
................ C
................ Ca
................ Cd
................ Ce
................ Cl
................ Co
................ Cr
................ Cs
................ Cu
................ Dy
................ Er
................ Eu
................ F
................ Fe
................ Fr
................ Ga
................ Gd
................ Ge
................ H
................ He
................ Hf
................ Hg
................ Ho
................ I
................ In
................ Ir
................ K
................ Kr
................ La
................ Li
................ Lu
................ Mg
................ Mn
................ Mo
................ N
Atomic Weight
(227)107.868226.98154
(243)39.94874.92159
(210)196.96654
10.811137.327
9.01218208.98037
79.90412.01140.078
112.411140.11535.452758.933251.9961
132.9054363.546
162.50167.26151.96518.9984055.847
(223)69.723
157.25
72.611.007944.00260
178.49200.59164.93032126.90447114.82192.2239.0983
83.80138.9055
6.941174.96724.305054.9380595.9414.00674
Element
Sodium...........................Niobium .........................Neodymium....................Neon...............................Nickel.............................Neptunium......................Oxygen...........................Osmium..........................Phosphorus .....................Protactinium ...................
Lead................................Palladium .......................Polonium........................Promethium....................Praseodymium................Platinum.........................Plutonium.......................Radium...........................Rubidium........................Rhenium.........................
Rhodium.........................Radon.............................Ruthenium......................Sulfur..............................Antimony .......................Scandium........................Selenium ........................Silicon ............................Samarium.......................Tin..................................
Strontium........................Tantalum ........................Terbium ..........................Technetium.....................Tellurium........................Thorium..........................Titanium.........................Thallium.........................Thulium..........................Uranium .........................
Vanadium .......................Tungsten.........................Xenon.............................Yttrium...........................Ytterbium.......................Zinc ................................Zirconium.......................
Symbol
............... Na
............... Nb
............... Nd
............... Ne
............... Ni
............... Np
............... O
............... Os
............... P
............... Pa
............... Pb
............... Pd
............... Po
............... Pm
............... Pr
............... Pt
............... Pu
............... Ra
............... Rb
............... Re
............... Rh
............... Rn
............... Ru
............... S
............... Sb
............... Sc
............... Se
............... Si
............... Sm
............... Sn
............... Sr
............... Ta
............... Tb
............... Tb
............... Te
............... Th
............... Ti
............... Tl
............... Tm
............... U
... ........ . V............... W............... Xe............... Y............... Yb............... Zn............... Zr
Atomic Weight
22.9897792.90638
144.2420.179758.69
(237)15.9994
190.230.97376
231.03588
207.2106.42
(209)(145)140.90765195.08
(244)(266)
85.4678186.207
102.90550(222)101.0732.066
121.7544.9559178.9628.0855
150.36118.710
87.62180.9479158.92534(98)127.60232.0381
47.88204.3833168.93421238.0289
50.9415183.85131.2988.90585
173.0465.3991.224
ELEMENTS
THERMODYNAMIC PROPERTIES OF ELEMENTS IN THEIR REFERENCE STATE AT 298.15 K
NAME AND FORMULA
SILVER (REFERENCE STATE)Ag
Ag* (AQUEOUS ION)STD. STATE, M » 1
ALUMINUM (REFERENCE STATE)Al
Al3* (AQUEOUS ION)STD. STATE, M = 1
ARSENIC (REFERENCE STATE)As
GOLD (REFERENCE STATE)All
BORON (REFERENCE STATE)B
BARIUM (REFERENCE STATE)Ba
Ba2* (AQUEOUS ION)STD. STATE, M = 1
BERYLLIUM (REFERENCE STATE)Be
BISMUTH (REFERENCE STATE)Bi
BROMINE (REFERENCE STATE)Br2 (LIQUID)
BROMINE (IDEAL GAS)Br2
Br~ (AQUEOUS ION)STD. STATE, M = 1
GRAPHITE (REFERENCE STATE)C
DIAMONDC
WEIGHT
g J
107.868
107.868
26.982
26.982
74.922
196.967
10.811
137.327
137.327
9.012
208.980
159.808
159.808
79.904
12.011
12.011
ENTROPY
S° mot-1 -IT1
42.550.21
73.450.40
28.300.08
-332
10
35.690.84
47.490.21
5.830.08
62.420.84
8.400.50
9.500.08
56.740.42
152.200.30
245.470.05
82.550.20
5.740.10
2.380.20
VOLUME
V°
cJ
10.2720.002
9.9990.001
12.9630.020
10.2150.002
4.3860.007
38.210.02
4.8800.002
21.310.01
54.580.20
24789.70.2
5.2980.001
3.4170.001
ENTHALPY
M° kJ-mol 1
0.0
105.80.1
0.0
-538.41.5
0.0
0.0
0.0
0.0
-532.51.0
0.0
0.0
0.0
30.90.1
-121.40.2
0.0
1.90.0
FREEENERGY M°
kJ-mol 1
0.0
77.10.1
0.0
-489.41.4
0.0
0.0
0.0
0.0
-555.41.0
0.0
0.0
0.0
3.10.3
-103.80.2
0.0
2.90.1
LOG(K)
0.00
-13.500.02
0.00
86.110.79
0.00
0.00
0.00
0.00
97.300.18
0.00
0.00
0.00
-0.550.05
18.180.04
0.00
-0.510.02
REFERENCES
S H/G C
85
85 85
6792
85 85170 330
361
361
6785
361
54 54
8567
361
85
85 85
85 85
85
419 419
85
9267
361
6785
361
8567
361127
67
67
85
419
THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERMODYNAMIC PROPERTIES OF ELEMENTS IN THEIR REFERENCE STATE AT 298.15 K
NAME AND FORMULA
CALCIUM (REFERENCE STATE)Ca
Ca2* (AQUEOUS ION)STD. STATE, * = 1
CADMIUM (REFERENCE STATE)Cd
Cd2* (AQUEOUS ION)STD. STATE, M - 1
CERIUM (REFERENCE STATE)Ce
CHLORINE (REFERENCE STATE)C12 (IDEAL GAS)
Cl" (AQUEOUS ION)STD. STATE, M = 1
COBALT (REFERENCE STATE)Co
CHROMIUM (REFERENCE STATE)Cr
CESIUM (REFERENCE STATE)Cs
Cs* (AQUEOUS ION)STD. STATE, M = 1
COPPER (REFERENCE STATE)Cu
Cu* (AQUEOUS ION)STD. STATE, n = 1
Cu2* (AQUEOUS ION)STD. STATE, M = 1
FLUORINE (REFERENCE STATE)F2 (IDEAL GAS)
F" (AQUEOUS ION)STD. STATE, M = 1
WEIGHT
g J
40.078
40.078
112.411
112.411
140.115
70.905
35.453
58.933
51.996
132.905
132.905
63.546
63.546
63.546
37.997
18.998
ENTROPY
S° moi-'-r1
42.900.10
-56.21.0
51.800.15
-72.81.5
72.04.0
223.080.01
56.600.20
30.040.42
23.620.21
85.230.40
132.10.5
33.140.03
40.600.40
-98.04.0
202.790.02
-13.80.8
VOLUME
V° c.3
26.190.04
13.0050.003
20.770.02
24789.70.2
6.6700.002
7.2310.001
69.730.40
7.1130.003
24789.70.2
ENTHALPY
A,H°
kJ-mol 1
0.0
-543.01.0
0.0
-75.90.6
0.0
0.0
-167.10.1
0.0
0.0
0.0
-258.00.5
0.0
71.70.1
64.91.0
0.0
-335.40.7
FREEENERGY A.G'
kJ-mol 1
0.0
-553.6
0.0
-77.60.6
0.0
0.0
-131.20.1
0.0
0.0
0.0
-291.51.0
0.0
50.00.1
65.10.1
0.0
-281.50.7
LOG(K) REFERENCES
S H/G C
0.00 360
96.99 85
0.00 85
-13.59 850.11
0.00 419
0.00 6785
22.99 85
0.00 361
0.00 67
0.00 85
51.07 850.18
0.00 365
-8.76 4190.02
-11.40 850.02
0.00 6785
49.32 850.12
117
85419
85
85
361
6785
85
361
67
85
44367
419
85
6785
85
ELEMENTS
THERMODYNAMIC PROPERTIES OF ELEMENTS IN THEIR REFERENCE STATE AT 298.15 K
NAME AND FORMULA
IRON (REFERENCE STATE)Fe
Fe2* (AQUEOUS ION)STD. STATE, M = 1
Fe3* (AQUEOUS ION)STD. STATE, M = 1
GERMANIUM (REFERENCE STATE)Ge
HYDROGEN (REFERENCE STATE)H2 (IDEAL GAS)
H* (AQUEOUS ION)STD. STATE, M = 1
MERCURY (REFERENCE STATE)Hg (LIQUID)
Hg2* (AQUEOUS ION)STD. STATE, M = 1
Hgf* (AQUEOUS ION) STD. STATE, M = 1
IODINE (REFERENCE STATE)'2
IODINE (IDEAL GAS)'2
I~ (AQUEOUS ION)STD. STATE, m = 1
POTASSIUM (REFERENCE STATE)K
K* (AQUEOUS ION)STD. STATE, M * 1
LITHIUM (REFERENCE STATE)Li
Li* (AQUEOUS ION)STD. STATE, M = 1
WEIGHT ENTROPY VOLUME
S° V°g J-n»r1 'ir1 a?
55.847 27.09 7.0920.13 0.004
55.847 -107.12.0
55.847 -280.013.0
72.61 31.09 13.6300.15 0.005
2.016 130.68 24789.70.02 0.2
1.008 0.00 0
200.59 75.90 14.8220.12 0.002
200.59 -36.20.8
401.18 65.74 0.80
253.809 116.14 51.290.30 0.06
253.809 260.69 24789.70.02 0.2
126.904 106.450.30
39.098 64.67 45.360.20 0.09
39.098 101.200.20
6.941 29.09 13.0170.20 0.007
6.941 12.240.15
ENTHALPY
AfH°
kJ-mol 1
0.0
-91.13.0
-49.95.0
0.0
0.0
0.0
0.0
170.20.2
166.9 0.5
0.0
62.40.1
-56.80.1
0.0
-252.10.1
0.0
-278.50.1
FREEENERGY M°
kJ-mol 1
0.0
-90.02.0
-16.72.0
0.0
0.0
0.0
0.0
163.50.2
153.6 0.5
0.0
19.30.1
-51.70.1
0.0
-282.50.1
0.0
-292.90.1
LOG(K)
0.00
15.770.35
2.930.35
0.00
0.00
0.00
0.00
-28.640.04
-26.91 0.09
0.00
-3.390.01
9.060.02
0.00
49.480.01
0.00
51.310.01
REFERENCES
S H/G C
9067
411
411
85
6785
85
85
85
85
67
85
8567
85
67
85
9067
411
411
361
6785
361
85
85
67 67
67
85
8567
85
6785
85
THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERMODYNAMIC PROPERTIES OF ELEMENTS IN THEIR REFERENCE STATE AT 298.15 K
NAME AND FORMULA
MAGNESIUM (REFERENCE STATE)Mg
Mg2* (AQUEOUS ION)STD. STATE, m = 1
MANGANESE (REFERENCE STATE)Mn
Mn2* (AQUEOUS ION)STD. STATE, m = 1
MOLYBDENUM (REFERENCE STATE)Mo
NITROGEN (REFERENCE STATE)"2
SODIUM (REFERENCE STATE)Na
Ma* (AQUEOUS ION)STD. STATE, M = 1
NICKEL (REFERENCE STATE)Ni
Ni 2* (AQUEOUS ION)STD. STATE, m = 1
OXYGEN (REFERENCE STATE)02 (IDEAL GAS)
PHOSPHORUS (REFERENCE STATE)P (WHITE)
LEAD (REFERENCE STATE)Pb
Pb2* (AQUEOUS ION)STD. STATE, M * 1
PLATINUM (REFERENCE STATE)Pt
SULFUR (REFERENCE STATE)S ORTHORHOMBIC
WEIGHT
g J
24.305
24.305
54.938
54.938
95.94
28.013
22.990
22.990
58.69
58.69
31.999
30.974
207.2
207.2
195.08
32.066
ENTROPY
S° nol-'-lf1
32.670.10
-137.04.0
32.010.08
-73.601.00
28.660.21
191.610.02
51.460.20
58.450.15
29.870.08
-128.92.0
205.150.02
41.090.25
64.80.5
18.51.0
41.630.21
32.050.05
VOLUME
V° cm3
13.9960.007
7.3540.007
9.3870.005
24789.70.2
23.810.01
6.5880.003
24789.70.2
17.30.3
18.2670.006
9.0910.004
15.5110.005
ENTHALPY
A,H°
kJ-mol 1
0.0
-467.00.6
0.0
-220.80.5
0.0
0.0
0.0
-240.30.1
0.0
-54.00.9
0.0
0.0
0.0
0.90.3
0.0
0.0
FREE ENERGY M°
kJ-mol 1
0.0
-455.40.6
0.0
-228.10.5
0.0
0.0
0.0
-261.50.1
0.0
-45.60.9
0.0
0.0
0.0
-24.20.2
0.0
0.0
LOG(K)
0.00
79.780.11
0.00
39.960.09
0.00
0.00
0.00
45.810.01
0.00
7.990.15
0.00
0.00
0.00
4.240.04
0.00
0.00
REFERENCES
S H/G C
8567
85
91
419
91
6785
6785
85
67
419
6785
85
67
85
361
6785
85
85
91
419
91
6785
6785
85
67
419
6785
85
67
85
361
67
ELEMENTS
THERMODYNAMIC PROPERTIES OF ELEMENTS IN THEIR REFERENCE STATE AT 298.15 K
NAME AND FORMULA
SULFURS NONOCLINIC
S2" (AQUEOUS ION)STD. STATE, M « 1
DIATOMIC SULFURS2 (IDEAL GAS)
ANTIMONY (REFERENCE STATE)Sb
SELENIUM (REFERENCE STATE)Se
SILICON (REFERENCE STATE)Si
H4Si04° (AQUEOUS ION) STD. STATE, M * 1
TIN (REFERENCE STATE)Sn (UNITE, TET.)
STRONTIUM (REFERENCE STATE)Sr
Sr2* (AQUEOUS ION)STD. STATE, M = 1
TELLURIUM (REFERENCE STATE)Te
THORIUM (REFERENCE STATE)Th
TITANIUM (REFERENCE STATE)Ti
URANIUM (REFERENCE STATE)U
VANADIUM (REFERENCE STATE)V
TUNGSTEN (REFERENCE STATE)U
WEIGHT
g J
32.066
32.066
64.132
121.75
78.96
28.086
96.115
118.710
87.62
87.62
127.60
232.038
47.88
238.029
50.942
183.85
ENTROPY
S° mol-1 -*-1
33.030.05
-14.61.0
228.170.02
45.520.21
42.270.05
18.810.08
180.0 4.2
51.180.08
55.690.20
-31.52.0
49.710.20
51.830.50
30.760.10
50.20.2
28.940.42
32.650.10
VOLUME
V°
a?
24789.70.2
18.1780.009
16.420.01
12.0560.002
16.290.01
33.920.02
20.480.01
19.790.01
10.630.01
12.500.02
8.3500.004
9.5450.004
ENTHALPY
M° kJ-mol 1
0.30.1
33.11.0
128.60.3
0.0
0.0
0.0
-1460.0 1.7
0.0
0.0
-550.90.5
0.0
0.0
0.0
0.0
0.0
0.0
FREE ENERGY
W kJ-mol'1
0.0
85.81.0
79.70.3
0.0
0.0
0.0
-1307.5 2.1
0.0
0.0
-563.80.8
0.0
0.0
0.0
0.0
0.0
0.0
LOG(K) REFERENCES
S H/G C
0.00 67
-15.03 4190.18
-13.96 670.05
0.00 361
0.00 62
0.00 6785
229.12 0.37
0.00 85
0.00 39
98.78 550.14
0.00 361
0.00 319
0.00 67
0.00 85
0.00 67
0.00 67
419 67
419
67 67
361
126
67
179 422 285 414
85
67
55
361
319
67
85
67
67
10 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERMODYNAMIC PROPERTIES OF ELEMENTS IN THEIR REFERENCE STATE AT 298.15 K
NAME AND FORMULA
ZINC (REFERENCE STATE)Zn
Zn2* (AQUEOUS ION)STD. STATE, M = 1
ZIRCONIUM (REFERENCE STATE)Zr
METHANE (IDEAL GAS)CH4
COHENITEFejC
AMMONIA (IDEAL GAS)Nil;
NH4* (AQUEOUS ION) STD. STATE, = 1
WEIGHT ENTROPY
S°
g J-mol'-K 1
65.39 41.630.15
65.39 -109.80.5
91.224 38.870.20
16.043 186.260.21
179.552 104.43.4
17.031 192.770.03
18.039 111.17 0.40
VOLUME
V°
cJ
9.1620.007
14.0160.007
24789.70.2
23.230.01
24789.70.2
ENTHALPY
M" kJ-mol 1
0.0
-153.40.2
0.0
-74.80.3
24.91.3
-45.90.4
-133.30.3
FREE ENERGY A**
kJ-mol 1
0.0
-147.30.2
0.0
-50.70.4
19.71.7
-16.40.4
-79.4 0.3
LOG(K)
0.00
25.790.04
0.00
8.880.07
-3.450.30
2.870.06
13.91 0.05
REFERENCES
S H/G C
67 6785
85 85
67 67
419 419 6767 67
361 361 361
67 67 67
85 85
SULFIDES AND SULFOSALTS 11
THERMODYNAMIC PROPERTIES OF SULFIDE MINERALS AT 298.15 K
NAME AND FORMULA
ACANTHITE (ARGENTITE)Ag2s
REALGARAsS
ORPIMENT**zh
BISMUTHINITEB12h
TELLUROBISMUTHITEBi 2Te3
OLDHAMITECaS
GREENOCKITECdS
CATTIERITECoS2
LINNAEITEC°3S4
COVELLITECuS
ANILITE^LTS8
DIGENITECU1.80S
DJURLEITECU1.95S
CHALCOCITECUgS
CHALCOPYRITECuFeS2
BORNITEClIeFeS,
HEIGHT
g J
247.802
106.988
246.041
514.159
800.761
72.144
144.477
123.065
305.064
95.612
143.272
146.449
155.981
159.158
183.525
501.841
ENTROPY
S° or1 -if1
142.90.3
63.50.6
163.61.6
200.43.3
261.15.0
56.71.3
72.20.3
74.80.2
176.00.4
67.40.1
107.50.2
109.60.2
114.80.2
116.20.2
124.90.2
398.50.8
VOLUME
V° « *
34.190.04
29.800.24
70.510.25
75.520.04
101.850.09
27.720.09
29.930.02
25.520.01
62.550.02
20.420.02
25.790.02
25.630.05
26.890.02
27.480.02
43.920.02
98.730.05
ENTHALPY
kJ-mol 1
-32.01.0
-30.95.0
-91.64.2
-135.22.4
-78.72.1
-474.92.1
-149.61.3
-150.94.9
-347.57.3
-54.60.3
-73.30.3
-73.00.5
-78.80.4
-83.91.1
-194.91.6
-371.62.1
FREEENERGY
kJ-mol 1
-39.71.0
-29.65.0
-90.44.2
-132.42.6
-78.22.6
-469.52.1
-146.11.3
-145.14.9
-334.97.3
-55.30.3
-78.50.3
-78.30.5
-84.20.4
-89.21.1
-195.11.6
-394.72.1
LOG(K)
6.960.18
5.190.88
15.840.74
23.200.46
13.710.46
82.250.37
25.600.23
25.420.86
58.661.28
9.690.05
13.760.05
13.720.09
14.750.07
15.620.19
34.180.28
69.320.37
REFERENCES
S N/G C
141
429
372
372
201
67
38
399
399
109442
133
133
394
142109
371
369
12152
419270
50
52
279
67279
3
60376
6098
337
337140
337
337
36948
369371
369
141306
270
210
38
326
109442
133
133
394
109142
325369
325369
12 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERMODYNAMIC PROPERTIES OF SULFIDE MINERALS AT 298.15 K
NAME AND FORMULA
CUBAN ITE CuFe^
NUKUNOAMITECu5.5FeS6.5
TROILITEFeS
PYRRHOTITEFe.875S
PYRRHOTITEFe.90S
PYRITEFeS2
MARCASITEFeS2
LOELLINGITEFeAs2
FERROSELITEFeSe2
FROHBERGITEFeTe2
HYDROGEN SULFIDE (IDEAL GAS)H2S
HS" (AQUEOUS ION)STD. STATE, m = 1
CINNABARHgS
NETACINNABARHgS
NININGERITEMgs
ALABANDITEMnS
WEIGHT
g J
271.438
613.779
87.913
80.932
82.328
119.979
119.979
205.690
213.767
311.047
34.082
33.074
232.656
232.656
56.371
87.004
ENTROPY
S° or1 -*1
205.0 0.8
60.30.2
60.70.2
63.20.1
52.90.1
53.90.1
80.10.7
86.90.3
100.20.2
205.80.2
67.00.9
82.52.1
96.24.2
50.30.4
80.30.8
VOLUME
V° c*3
67.44 0.06
278.00.5
18.200.03
17.490.05
16.880.10
23.940.01
24.580.02
27.510.02
29.960.05
38.430.05
24789.700.20
28.420.02
30.170.02
21.170.02
21.460.01
ENTHALPY
M° kJ-mol 1
-101.01.5
-97.52.0
-97.62.0
-171.51.7
-169.52.1
-57.85.0
-72.44.2
-20.60.6
16.30.2
-54.32.1
-46.71.5
-345.74.2
-213.90.8
FREE ENERGY A.G"
kJ-mol 1
-564.53.4
-101.31.5
-98.92.0
-99.62.0
-160.11.7
-158.42.1
-52.35.0
-64.64.2
-33.40.6
44.80.3
-40.72.7
-43.30.8
-341.44.2
-218.70.9
LOG(K)
98.900.59
17.750.26
17.330.35
14.450.35
28.050.30
27.750.37
9.170.88
11.310.74
5.860.11
-7.860.05
7.130.47
7.590.15
59.810.74
38.310.17
REFERENCES
S H/G C
388
143347
143
135
138
139
332
138
437
8567
85
233
217
67
279
369
693
131
375
40967
139
25
279
8567
85
326279
120
67
3375
280
79131
131
135
79
139
8567
67
79203
SULFIDES AND SULFOSALTS 13
THERMODYNAMIC PROPERTIES OF SULFIDE MINERALS AT 298.15 K
NAME AND FORMULA
HAUERITEMnS2
MOLYBDENITENoS2
MILLERITENiS
HEAZLEWOOOITENi3S2
PENTLANDITEMi4.5F«4.5S8
VIOLARITE<Mi .7Fe.3>3S4
GALENAPbS
CLAUSTHALITEPbSe
ALTAITEPbTe
COOPERITEPtS
STIBNITESbgSj
HERZENBERGITESnS
BERNDTITESnS2
TUNGSTEN I TEus2
SPHALERITEZnS
WURTZITEZnS
WEIGHT
g J
119
160
90
240
771
301
239
286
334
227
339
150
182
247
.070
.072
.756
.202
.944
.775
.266
.160
.800
.146
.698
.776
.842
.982
97.456
97.456
ENTROPY
S°
99.90.1
62.60.2
53.00.4
133.20.3
91.70.7
102.52.1
110.02.1
55.10.1
182.03.3
77.00.8
87.50.2
67.80.3
58.70.2
58.80.2
VOLUME
V° « *
340
320
160
400
1550
630
310
340
400
220
730
290
400
320
230
230
.20
.01
.02
.02
.89
.01
.95
.02
.40
.20
.80
.30
.49
.01
.61
.01
.60
.01
.15
.01
.41
.04
.01
.02
.96
.02
.07
.02
.83
.01
.85
.01
ENTHALPY
AfH»
kJ-mol 1
-223.810.0
-271.84.9
-91.03.0
-216.33.0
-837.414.6
-378
11.8
-98.32.0
-100.12.3
-70.71.4
-82.43.4
-151.42.3
-106.51.5
-149.85.0
-241.62.5
-204.11.5
-203.81.5
FREEENERGY
kJ-mol 1
-224.610.0
-262.84.9
-63.93.0
-210.23.0
-96.82.0
-98.72.1
-69.41.5
-76.93.4
-149.92.1
-104.61.5
-141.55.0
-233.02.5
-199.61.5
-199.31.5
LOG(K)
39.351.75
46.040.86
14.970.53
36.830.53
16.960.35
17.300.37
12.150.27
13.460.59
26.260.37
18.330.26
24.790.88
40.820.44
34.970.26
34.920.26
REFERENCES
S H/G C
441
275
429
395
67326
279
217
136
234
229
229
304
398
398
279
305
58271
5867
59
59
397245
279
419
136
38253
347
326
303304
378
338
114
27198
107276
67326
21151
315
315
304
324
324
14 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERMODYNAMIC PROPERTIES OF SULFIDE MINERALS AT 298.15 K
NAME AND FORMULA
PROUST I TEAgjAsSj
SMITHITEAgA8S2
ENARGITECU3A8S4
ARSENOPYRITEFeA81 .08S0.92
LIVINGSTONITEHgSb4Sg
BERTHIERITEFeSb2S4
CHALCOSTIBITECuSbS2
Fe-TENNANTITE
Fe-TETRAHEDRITECu1QFe2Sb4Sl3
Zn-TENNANTITE
Zn-TETRAHEDRITE
PYRARGYRITEAgjSbSj
MIARGYRITEa-AgSbS2
MATILDITEB-AgBiS2
WEIGHT
g .
494.724
246.922
393.824
166.263
944.118
427.611
249.428
1463.698
1651.012
1482.784
1670.098
541.553
293.750
380.980
ENTROPY
S°l-mol"1 -*"1
303.70.5
150.50.2
257.60.6
68.80.4
470.51.5
245.01.0
149.23.8
1024.2
1061.0
1025.6
1062.4
VOLUME ENTHALPY FREE ENERGY
CM3 kJ-mol 1 kJ-mol 1
88.420.02
50.120.30
88.240.12
26.420.07
192.90 -373.2 -360.26.5 6.5
92.22 -256.2 -255.80.20 6.5 6.5
50.06 -130.8 -132.70.10 4.4 4.2
332.10
336.70
332.10
336.70
92.56 -131.50.04 3
52.03 -95.80.09 2.6
54.44 -165.30.10 8
LOG(K) REFERENCES
S H/G C
146
146
381
331
63.10 145 4541.14
44.82 97 382 3821.14
23.25 382 382 3820.74
380
380
380
380
51
51
52
OXIDES AND HYDROXIDES 15
THERMODYNAMIC PROPERTIES OF OXIDE AND HYDROXIDE MINERALS AT 298.15 K
NAME AND FORMULA
CORUNDUMA12°3
BOEHMITEAIO(OH)
DIASPOREAIO(OH)
GIBBSITEAl(OH)3
ARSENOLITEA82°3
CLAUDE T I TEA82°3
DIBOROH TRIOXIDEB2°3
BARIUM MONOXIDEBaO
BROMELLITEBeO
B I SMITEBi 2°3
CARBON MONOXIDECO (IDEAL GAS)
CARBON DIOXIDECC^ (IDEAL GAS)
COj"" (AQUEOUS ION) STD. STATE, - 1
HCOj" (AQUEOUS ION) STD. STATE. = 1
H2COj (UN- I OH I ZED) STD. STATE. = 1
LINECaO
WEIGHT
g J-
101.961
59.988
59.988
78.004
197.841
197.841
69.620
153.326
25.012
465.959
28.010
44.010
60.009
61.017
62.025
56.077
ENTROPY
S"
50.90.1
37.20.1
35.30.2
68.40.1
107.40.1
113.30.1
54.00.3
72.10.4
13.80.1
151.52.1
197.30.0
213.80.0
-50.0 1.0
98.4 0.5
184.7 0.9
38.10.4
VOLUME
yo
<**
25.580.01
19.540.03
17.760.03
31.960.02
51.120.07
47.260.03
27.260.06
25.590.01
8.310.03
49.730.06
24789.700.20
24789.700.20
16.760.01
ENTHALPY
kJ-nol 1
-1675.71.3
-996.42.2
-1001.32.2
-1293.11.2
-657.01.7
-654.81.7
-1273.51.4
-548.12.1
-609.42.5
-573.91.3
-110.50.2
-393.50.1
-675.2 0.1
-689.9 0.2
-699.7 0.1
-635.10.9
FREE ENERGY
kJ not'1
-1582.31.3
918.42.2
922.72.1
-H154.91.2
576.01.9
575.61.1
-1194.41.4
520.42.1
580.12.5
493.51.5
-137.10.2
-394.40.2
-527.0 0.3
-586.8 0.3
-623.2 0.1
-603.10.9
LOG(K)
277.200.23
160.900.39
161.530.88
202.330.21
100.900.33
100.830.18
209.240.25
91.170.37
101.630.44
86.450.26
24.010.03
69.090.03
92.33 0.05
102.81 0.04
109.17 0.02
105.660.16
REFERENCES
S H/G C
9394
176
334230
178
61
61
85
85
85
419
67117
67117
85 36
85 36
419
67117
26885
17612
12176
171212
419
8567
77111
85
419269
67117
67117
8536
8536
419
67117
9457
178
67
85262
67418
319
67117
67117
67117
16 IHERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERMOOYNAHIC PROPERTIES OF OXIDE AND HYDROXIDE MINERALS AT 298.15 K
NAME AND FORMULA UEIGHT
9 J
PORTLAND I TE 74.093 Ca(OH)2
MONTEPONITE 128.400 CdO
CERIANITE 172.114 CeOj
COBALT MONOXIDE 74.933 CoO
TR I COBALT TETRAOXIDE 240.797 C°3°4
ESKOLAITE 151.990 Cr2°3
DICESIUM MONOXIDE 281.810 Cs20
TENOR I TE 79.545 CuO
CUPRITE 143.091
UUSTITE 68.887 Fe.947°
FERROUS OXIDE (STOICHIOMETRIC) 71.846 FeO
HEMATITE 159.692 Fe2°3
MAGNETITE 231.539
GOETHITE 88.854 FeO(OH)
WATER 18.015 H20 (LIQUID)
OH' (AQUEOUS IOH) 17.007 STD. STATE. = 1
ENTROPY
S-
83.4 0.4
54.8 1.5
62.3 0.1
52.8 0.3
109.3 0.3
81.2 1.3
146.9 . 0.4
42.6 0.2
92.4 0.3
56.6 0.4
60.6 1.7
87.4 0.2
146.1 0.4
60.4 0.6
70.0 0.1
-10.7 0.2
VOLUME
yo
<**
33.06 0.02
15.59 0.01
23.850.03
11.64 0.02
39.77 0.02
29.09 0.03
59.62 0.07
12.22 0.03
23.44 0.02
12.04 0.04
12.00 0.05
30.27 0.01
44.52 0.01
20.82 0.04
18.07 0.00
ENTHALPY
kJ-mor1
-986.1 1.3
-258.4 0.4
-1088.7 1.5
-237.9 1.3
-918.8 2.0
-1134.7 8.4
-346.0 1.2
-156.1 2.0
-170.6 0.1
-266.3 0.8
-272.0 2.1
-826.2 1.3
-1115.7 2.1
-562.6 2.1
-285.8 0.1
-230.0 0.1
FREE ENERGY
kJ-nor1
-898.0 1.3
-228.7 0.6
-1025.4 1.9
-214.1 1.3
-802.2 2.0
-1053.1 8.4
-308.4 1.2
-128.3 2.0
-147.8 0.1
-244.9 0.8
-251.4 2.2
-744.4 1.3
-1012.7 2.1
-491.8 2.1
-237.1 0.1
-157.3 0.1
LOG(K)
157.33 0.23
40.07 0.11
179.64 0.34
37.52 0.23
140.54 0.35
184.49 1.47
54.02 0.21
22.48 0.35
25.89 0.02
42.91 0.14
44.05 0.38
130.41 0.23
177.42 0.37
86.16 0.12
41.55 0.01
27.56 0.02
REFERENCES
S H/G C
67 158
85
436
287
222
67
112
67
67 310
67 132
67 132
137 67
440 22
235
85
85
67 158
85267
14
308 45
319 307
67 267
384
67 272
190 272
198 148
67
161 310
161 310
221 18
85
85
67 117
227
319 125
319
67
112
272
272 67
83 67
67
83 130
161 134
117 67
OXIDES AND HYDROXIDES 17
THERNOOYNAMIC PROPERTIES OF OXIDE AND HYDROXIDE MINERALS AT 298.15 K
NAME AND FORMULA
STEAMH20 (IDEAL GAS)
HAFNIUM DIOXIDEHf02
MONTROYDITEHgO
DIPOTASSIUM MONOXIDEK2°
POTASSIUM HYDROXIDEKOH
DILITHIUM MONOXIDELi 20
PERICLASEHgO
BRUCITEMg(OH>2
MANGANOSITEHnO
PYROLUSITEHn02
BIXBYITE"^
HAUSMANNITEMnj04
BRAUNITEMivSiO^
MOLYBDITEMoO;
NITROGEN DIOXIDEN02 (IDEAL GAS)
NOj" (AQUEOUS ION) STD. STATE. = 1
WEIGHT
g J<
18.015
210.489
216.589
94.196
56.106
29.881
40.304
58.320
70.937
86.937
157.874
228.812
604.645
143.938
46.006
62.005
ENTROPY
S°
or1 -IT1
188.80.0
59.30.4
70.30.3
94.16.3
78.90.8
37.60.3
26.90.2
63.20.1
59.70.4
52.80.1
113.70.2
164.10.2
416.40.8
77.70.4
240.10.1
146.7 0.4
VOLUME
V° on3
24789.700.20
20.820.01
19.320.02
40.380.20
27.450.02
14.760.01
11.250.00
24.630.07
13.220.00
16.610.02
31.370.05
46.950.06
125.080.05
30.560.04
24789.700.20
ENTHALPY
kJ-mol 1
-241.80.0
-1117.61.3
-90.80.1
-363.22.1
-424.70.6
-597.92.1
-601.60.3
-924.50.4
-385.20.5
-520.00.7
-959.01.0
-1384.51.4
-4260.04.0
-745.20.4
33.10.4
-206.9 0.4
FREE ENERGY
kJ-nor1
-228.60.1
-1061.11.3
-58.50.1
-322.12.8
-378.90.6
-561.22.1
' -569.3
0.3
-833.50.4
-362.90.5
-465.00.7
-882.11.0
-1282.51.4
-3944.74.0
-668.10.4
51.20.4
-110.8 0.4
LOG(K)
40.050.02
185.900.23
10.250.01
56.430.49
66.390.11
98.310.37
99.740.05
146.020.07
63.580.09
81.470.12
154.530.18
224.680.25
691.080.70
117.040.07
-8.980.07
19.42 0.07
REFERENCES
S H/G C
85
319
85
67
67
319419
8567
419
319
357
357
357
367
85
67
85
85
256319
85415
67
67254
20967
85321
419193
419
357
357
357
367
85
67
85
67117
319
67
67
67
319
418117
228
391319
357
357
357
367
85200
67
18 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERMODYNAMIC PROPERTIES Of OXIDE AND HYDROXIDE MINERALS AT 298.15 1C
NAME AND FORMULA
DISODIUM MONOXIDEMa20
SODIUM HYDROXIDENaOH
BUNSENITENiO
PHOSPHORUS PENTOXIDEP2°5
P04~~~ (AQUEOUS ION) STD. STATE, * 1
LITHARGE (RED)PbO
MASSICOT (YELLOW)PbO
PLATTNERITEPb02
MINIUMPbj04
SULFUR DIOXIDESOg (IDEAL GAS)
SULFUR TR I OX IDESOj (IDEAL GAS)
SOj" (AQUEOUS ION) STD. STATE. * 1
S04" (AQUEOUS ION) STD. STATE. * « 1
VALENTINITESbfcOj
SILICON MONOXIDESiO (IDEAL GAS)
QUARTZSiOj
WEIGHT
9 J
61.979
39.997
74.689
141.945
94.971
223.199
223.199
239.199
685.598
64.065
80.064
80.064
96.064
291.498
44.085
60.084
ENTROPY
S-
75.30.8
64.40.8
38.00.2
114.40.4
-222.0 4.2
66.50.2
68.70.2
71.80.4
212.06.7
248.20.1
256.80.8
-29.0 4.2
18.5 0.4
123.02.5
211.60.8
41.50.1
VOLUME
yo
<**
25.880.08
18.780.06
10.970.02
59.400.20
23.910.05
23.150.03
25.010.01
76.810.09
24789.700.20
24789.700.20
50.010.05
24789.700.20
22.690.00
ENTHALPY
kJ-nol'1
-414.80.3
-425.80.1
-239.30.4
-1504.90.5
-1259.6 0.9
-219.00.8
-217.30.3
-277.42.9
-718.76.3
-296.80.2
-395.70.7
-635.5 0.9
-909.3 0.4
-708.62.9
-100.48.4
-910.71.0
FREE ENERGY
kJ-mor1
-376.00.4
-379.60.3
-211.10.4
-1361.60.5
-1001.6 0.9
-188.90.8
-187.90.3
-218.32.9
-601.66.6
-300.10.2
-371.00.7
-486.5 0.9
-744.0 0.4
-626.43.0
-127.38.4
-856.31.0
LOG(K)
65.870.07
66.500.05
36.990.07
238.540.10
175.47 0.15
33.100.14
32.920.06
38.250.51
105.401.16
52.570.04
64.990.12
85.23 0.15
130.34 0.07
109.750.53
22.301.47
150.010.18
REFERENCES
S H/G C
67
67
271419
31967
419
72419
419
319
67
85
41967
419
85
319
67
435317
302419
67419
161191
31967
419
419
15419
419
67419
85
41967
419
85
419
67
444419
67115
67
161319
319
319
319
67
67117
67
67
160341
OXIDES AND HYDROXIDES 19
THERMODYNAMIC PROPERTIES OF OXIDE AND HYDROXIDE MINERALS AT 298.15 K
NAME AND FORMULA
H4Si04 (UN- IONIZED) STD. STATE. * 1
CRISTOBALITESi°2
TRIDYMITESIC,,
COESITESi02
STISHOVITESi02
SILICALITESi02
SILICA GLASSSi02
CASSITERITESn02
STRONTIUM OXIDESrO
TELLURITETe°2
THORIANITETh°2
RUTILETI02
ANATASETJ02
DITITANIUN TR I OX IDETfgOj
URANINITEU02
KARELIANITEV2°3
WEIGHT
g J-
96
60
60
60
60
60
60
150
103
159
264
79
79
143
270
149
.115
.084
.084
.084
.084
.084
.084
.709
.619
.599
.037
.879
.879
.758
.028
.881
ENTROPY
S- ol-'-lf1
180.0 4.2
43.40.1
43.90.4
38.51.0
27.80.4
46.30.2
48.51.0
49.00.2
55.50.4
70.40.3
65.20.2
50.60.6
49.90.3
77.31.0
77.00.2
98.11.3
VOLUME
V <**
25.740.03
26.530.20
20.640.01
14.010.01
33.290.5
27.270.10
21.550.03
20.690.01
27.750.02
26.370.01
18.820.01
20.520.03
31.430.02
24.620.01
29.850.03
ENTHALPY
kJ-»ol 1
-1460.0 1.7
-908.42.1
-907.52.4
-907.82.1
-861.32.1
-905.20.8
-901.62.1
-577.60.2
-591.31.0
-319.73.0
-1226.43.5
-944.00.8
-938.72.1
-1520.98.4
-1084.91.0
-1218.86.3
FREE ENERGY
kJ-nol 1
-1307.8 2.1
-854
2
-853
2
-852
2
-802
2
-852
0
-849
2
-515
0
-560
1
-264
3
-11693
-888
1
-883
2
-14338
-10311
-1139
.6
.1
.8
.4
.5
.1
.8
.1
.2
.8
.3
.1
.8
.2
.7
.0
.8
.1
.2
.5
.8
.0
.2
.1
.9
.4
.7
.0
.06.3
LOG(K)
229.12 0.37
149.710.37
149.580.43
149.350.37
140.650.37
149.300.14
148.790.37
90.360.04
98.220.18
46.390.54
204.840.61
155.700.14
154.740.37
251.211.47
180.750.18
199.551.11
REFERENCES
S H/G C
435404
361
6189
6189
213
341435
449
67
333
419
8567
67
67
199248
67
179 285
67341
6
189
213
341444
8516
4677
41978
419
85294
67419
67
419248
67
422 414
286341
286404
361423
361
341
85
67262
319
417389
6785
294
67294
113128
76
20 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERMODYNAMIC PROPERTIES OF OXIDE AND HYDROXIDE MINERALS AT 298.15 K
NAME AND FORMULA WEIGHT ENTROPY VOLUME ENTHALPY FREE LOG(K) REFERENCESENERGY
TUNGSTEN DIOXIDE*>2
TUNGSTEN TRIOXIDEWOj
ZINCITEZnO
BADDELEYITEZrO,
S-
215.849 500
231.848 751
81.389 430
123.223 500
r-
.6
.3
.9
.3
.2
.1
.4
.3
vo <**
20.030.05
31.610.10
14.340.01
21.150.01
M"
kJ-ml
-589
0
-842
0
-350
0
-11001
-i
.7
.9
.9
.8
.5
.3
.6
.7
A.G-
kJ-nol
-533.0.
-764.0.
-320.0.
-1042.1.
i
99
19
43
97
93.530.16
133.860.16
56.120.05
182.700.30
S
67
67
352
319419
H/G
67
67
85
196419
C
67
236
352319
82
MULTIPLE OXIDES 21
THERMOOYNAHIC PROPERTIES OF MULTIPLE OXIDE MINERALS AT 298.15 K
NAME AND FORMULA
TIALITEAlgTiOs
CHRYSOBERYLBeAl204
CALCIUM FERRITECaFe204
D I CALCIUM FERRITECa2Fe2°5
PEROVSKITECaTiOj
HERCYNITEFeAl204
CHROMITEFeCr204
ILMENITEFeTiOj
ULVOSPINELFe2Ti04
PSEUDOBROOKITEFe2Tl"°5
SPINELMgAl 204
MAGNESIOCHROMITEMgcr2o4
MAGNESIOFERRITEMgFe204
GEIKIELITEHiTiOj
PYROPHANITEMnTJOj
TREVORITENiFe?0,
WEIGHT
g J
181
126
215
271
135
173
223
151
223
239
142
192
199
120
150
234
.840
.973
.770
.847
.956
.808
.837
.725
.572
.571
.266
.295
.997
.183
.816
.382
ENTROPY
S-
109.60.8
66.30.1
145.40.8
188.81.3
93.60.4
117.03.0
146.01.7
108.90.3
180.402.5
156.51.3
88.74.0
106.00.8
121.82.0
74.60.2
104.90.2
140.95.0
VOLUME
V cm3
48.750.05
34.320.02
44.980.05
67.180.10
33.630.01
40.750.05
44.010.10
31.690.08
46.820.05
54.530.05
39.710.03
43.560.05
44.570.05
30.860.07
32.770.05
43.650.05
ENTHALPY
M" kJ-nol 1
-2298.52.8
-1520.30.2
-2138.30.9
-1660.61.7
-1950.58.5
-1445.55.0
-1232.02.5
-1493.82.0
-2299.12.0
-1783.60.9
-1441.53.0
-1572.81.2
-1360.14.0
-1070.52.0
FREE ENERGY
kJ-nor'
-2176.2.
-1412.0.
-1999.0.
-1574.1.
-1838.10.
-1344.6.
-1155.2.
-1399.2.
-2176.2.
-1669.0.
28
42
99
88
10
50
55
91
63
19
-1329.63.
-1484.1.
-1280.4.
-965.2.
1
42
90
15
LOG(K)
381.30.5
247.40.0
350.40.2
275.90.3
322.01.8
235.51.1
202.40.4
245.30.4
381.30.4
292.40.1
232.90.5
260.10.2
224.40.7
169.10.4
REFERENCES
S H/G C
361
116164
419
419
419
373188
361
11
216312
6737
373
290
352
393
450
164
419
419
419
188
373
11
216
6764
373
373249
425
103102
271290
43
164
42
42
295
450
292
11295
43
43
44386
292
42
352295
103102
271
22 IHERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERMOOYNAHIC PROPERTIES OF MULTIPLE OXIDE MINERALS AT 298.15 K
NAME AND FORMULA
FRANKLINITEZnFe2°4
HETAEROLITEZnMn2°4
ZINC TITANIUM SPINELZruTiO/
WEIGHT ENTROPY
S-
g j-aor'-ic1
241.082 150.70.3
239.264 149.70.5
242.658 143.13.0
VOLUME
V <**
44.940.05
45.570.05
45.580.02
ENTHALPY
kJ-nol 1
-1188.14.0
-1337.04.0
-1652.12.0
FREEENERGY
kJ-»ol 1
-1082.14.0
-1227.84.0
-1538.42.0
LOG(K)
189.60.7
215.10.7
269.50.4
REFERENCES
S H/G
439 290
71 290
406 290
C
21
43
HALIDES 23
THERMODYNANIC PROPERTIES OF HALIDE MINERALS AT 298.15 K
NAME AND FORMULA
BROMARGYRITE AgBr
POTASSIUM BROMIDE KBr
CHLORARGYRITE AgCl
HYDROPHILITE CaCl2
NANTOKITE CuC I
LAURENCITE FeCl 2
MOLYSITE FeClj
HYDROGEN CHLORIDE HCl (IDEAL GAS)
CALOMEL HgCl
SYLVITE KCl
CHLOROMAGNESITEMac 1 2
SCACCHITE
SALAMMONIAC NH4Cl
HALITE MaC I
NICKELOUS CHLORIDE NiCl2
COTUNNITE PbCl,
WEIGHT
9 J
187
119
143
110
98
126
162
36
236
74
95
125
53
58
129
278
.772
.002
.321
.983
.999
.752
.205
.461
.043
.551
.210
.844
.491
.442
.595
.105
ENTROPY
S-
107.1 0.4
95.9 0.2
96.2 0.2
104.6 1.3
86.2 2.0
118.0 0.4
142.3 0.4
186.9 0.0
95.8 0.4
82.6 0.2
89.6 0.8
118.2 0.2
94.6 0.4
72.1 0.2
98.2 0.2
136.0 2.1
VOLUME
yo
28 0
43 0
250
50 0
230
390
.99
.01
.28
.01
.73
.01
.75
.01
.92
.04
.46
.21
57.86 0.10
24789 0
320
370
40 0
42 0
350
27 0
36 0
47 0
.70
.20
.94
.08
.52
.00
.81
.10
.11
.17
.06
.05
.02
.00
.70
.07
.09
.05
ENTHALPY
kJ-mol 1
-100.4 0.2
-393.8 0.2
-127.1 0.1
-795.8 0.7
-137.2 10.0
-341.7 0.4
-399.50.4
-92.3 0.1
-132.7 0.2
-436.5 0.2
-641.3 0.7
-481.3 0.8
-314.4 0.3
-411.3 0.1
-304.9 2.0
-359.4 0.3
FREE ENERGY
kJ-mol'1
-97.0 0.2
-380.4 0.2
-109.8 0.1
-747.7 0.8
-119.9 10.0
-302.2 0.4
-334.0 0.4
-95.3 0.1
-105.2 0.2
-408.6 0.2
-591.8 0.7
-440.5 0.8
-202.9 0.3
-384.2 0.1
-258.8 2.0
-314.1 0.7
LOG(K)
16.99 0.03
66.65 0.03
19.24 0.02
130.99 0.14
21.01 1.75
52.950.07
58.51 0.07
16.70 0.02
18.43 0.04
71.58 0.04
103.68 0.13
77.17 0.14
35.550.05
67.30 0.02
45.33 0.35
55.03 0.12
REFERENCES
S H/G C
419
419
85
67
419
67
67
8567
85
117 85
67
73
419 67
419
67
67
419 320
419
85 320
67
419
67 250
250 419
85 67
85
117 85
320 85
250 419
419
419
67 419
67419
361 318
67 320
361 318
320 284
284 67
284
67 85
117 67
284
284
67
67 320
80
67 320
24 IHERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERNOOYNAMIC PROPERTIES OF HALIDE MINERALS AT 298.15 K
NAME AND FORMULA
FLUOR I TECaF2
HYDROGEN FLUORIDEHF (IDEAL GAS)
SELLAITEMgF2
VILLIAUMITENaF
CRYOLITENa3AlF6
CHIOLITENa5Al3Fu
IODARGYRITEAgl
MARSH I TECul
COCCINITEHgl 2
WEIGHT ENTROPY
S-
v w HH/% ^
78.075 68.90.3
20.006 173.80.0
62.302 57.20.5
41.988 51.50.1
209.941 238.50.5
461.871 515.30.8
234.773 115.51.7
190.450 96.6
454.399 180.06.3
VOLUME
yo
«**
24.540.01
24789.700.20
19.610.01
14.980.01
70.810.20
154.080.10
41.300.04
33.350.02
71.840.10
ENTHALPY
kJ-mol 1
-1228.2.
-273.0.
-1124.1.
-573.0.
-3316.6.
-7546.20.
-61.
1.
-67.
5.
-105.1.
00
37
22
67
80
30
87
80
47
FREE ENERGY 4,6"
kJ-mol 1
-1175.2.
-275.0.
-1071.1.
-543.0.
-3152.6.
-7174.20.
-66.
1.
-69.
5.
-101.2.
30
47
12
47
10
70
28
40
76
LOG(K)
2050
480
1870
950
5521
12563
110
120
170
.90
.35
.25
.12
.64
.21
.20
.12
.22
.05
.95
.50
.60
.31
.16
.88
.82
.45
REFERENCES
S H/G C
117
8567
117
419
10
400
419
320
41967
11767
85
117
419
10301
400
419
320
41967
293117
67
117
30067
10300
400
320
108
67
CARBONATES AND NITRATES 25
THERHOOYNAHIC PROPERTIES OF CARBONATE AND NITRATE MINERALS AT 298.15 K
NAME AND FORMULA
UITHERITEBaCOj
ARAGONITECaCOj
CALCITECaCOj
VATERITECaCOj
MONOHYDROCALCITECaCOj-H^
IKAITECaC03-6M2°
DOLOMITECaMo(C03)2
HUNTITECaMg3(C03)4
OTAVITECdCOj
MALACHITECU2(C03> (OH >2
AZURITECU3(OH>2(C03>2
SIDERITEFeCOj
MAGNESITEn£lAn
NESQUEHONITEMgCOj-SHgO
HYDROMAGNESITE4MgC03 -M9(OH)2.4H20
ARTINITEMg9(OH)9CO,-3H90
HEIGHT
g J
197.336
ENTROPY
8°
112.12.1
100.087 88.00.2
100.087
100.
118.
208.
184.
353.
172.
221.
344.
115.
84.
138.
087
102
179-
401
030
419
116
671
856
314
360
467.638
196.680
91.70.
131.3.
370.5.
155.0.
299.0.
92.5.
166.2.
254.3.
95.0.
65.0.
195.0.
503.1.
232.0.
2
10
00
23
59
55
35
48
52
11
66
76
97
VOLUME
V°
C-5
45.810.06
34.150.05
36.930.01
37.630.40
48.700.40
64.340.03
122.580.10
34.300.02
54.860.08
91.010.13
29.380.01
28.020.01
75.470.05
211.100.10
96.430.10
ENTHALPY
A.H* kJ-wol 1
-1210.92.2
-1207.41.4
-1207.41.3
-1498.31.2
-2954.15.0
-2324.51.5
-4529.61.6
-750.62.5
-1054.02.1
-1632.22.0
-755.95.5
-1113.31.3
-1977.30.3
-6514.91.1
-2920.60.7
FREEENERGYLfi*
kJ-wol 1
-1132.22.2
-1127.41.5
-1128.51.4
-1125.51.5
-1361.61.1
-2540.95.0
-2161.31.7
-4203.11.6
-669.42.6
-890.22.2
-1391.42.2
-682.85.5
-1029.51.4
-1723.80.5
-5864.21.1
-2568.40.8
LOG(K)
198.350.39
197.510.26
197.700.24
197.190.26
238.540.20
445.150.88
378.640.29
736.340.29
117.280.46
155.960.39
243.750.39
119.630.96
180.360.24
301.990.09
1027.370.19
449.950.13
REFERENCES
S H/G C
54
392
392
197
273
396
168
63
241
241
351
178
353
353
168
1
336
246336
336412
197
273
175
169253
41963
339
419
351
347
354
354
169
262
202
273
257
351
359
26 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERMODYNAMIC PROPERTIES OF CARBONATE AND NITRATE MINERALS AT 296.15 K
NAME AND FORMULA
RHODOCHROSITE MnCOv
NAHCOLITE NaHCOj
THERMONATRITE Ma2C03 -H20
TRONA Na2C03-NaHC03 *2H20
UEGSCHEIDERITE Na2C03-3»JaHC03
SODIUM CARBONATE
DAUSONITE NaAlC03(OH)2
GASPEITE NiCOj
CERUSSITE PbCOj
STROHTIANITE SrCOj
SMITHSONITE ZnCOj
NITROBARITE Ba(N03)2
CALCIUM NITRATE
NITER KMOj
MAGNESIUM NITRATE
AMMONIA-NITER NH'NO,
UEIGNT
g
114.947
84.007
124.004
226.026
358.010
105.989
143.995
118.699
267.209
147.629
125.399
261.337
164.088
101.103
148.315
80.043
ENTROPY
S°j -nor1 -if1
98.0 0.1
102.1 1.7
168.1 0.8
135.0 0.6
132.0 0.5
85.4 2.0
131.0 3.4
97.1 1.7
81.2 0.2
213.8 0.9
193.3 0.4
133.1 0.7
164.0 1.6
151.1 0.2
VOLUME
V° c-5
31.07 0.01
38.08 0.25
54.99 0.27
107.00 0.50
153.30 0.80
41.60
59.30 0.30
27.05 0.02
40.59 0.06
39.01 0.06
28.28 0.01
80.58 2.10
66.09 0.03
48.04 0.06
62.93 0.03
46.49 0.10
ENTHALPY
kJ-Hor1
-892.9 0.5
-949.0 0.2
-1429.7 0.4
-2682.1 0.4
-3984.0 0.8
-1129.2 0.3
-1964.0 2.9
-699.2 1.2
-1218.7 1.5
-817.0 3.1
-992.1 2.5
-938.4 1.5
-494.5 0.4
-790.6 1.3
-365.6 0.8
FREEENERGY A*'
-819.1 0.6
-851.2 0.6
-1286.1 0.5
-1045.3 0.4
-1786.0 3.0
-625.5 1.6
-1137.6 1.5
-735.3 3.1
-796.6 0.4
-742.6 1.8
-394.6 0.5
-589.2 1.4
-183.8 0.9
LOG(K)
143.50 0.10
149.12 0.10
225.32 0.09
183.13 0.06
312.89 0.52
109.58 0.27
199.29 0.26
128.82 0.54
139.55 0.08
130.10 0.31
69.13 0.08
103.22 0.25
32.20 0.15
REFERENCES
S H/G C
351
36
424 36
424 36
110
255
217
55
352
419
419
419
419
419
351
36
36
416
416
36
110
419 4
55
153
419
419
419
419
419
283
129
110
262
153
361
361
361
361
361
CARBONATES AND NITRATES 27
THERHOOYMAMIC PROPERTIES OF CARBONATE AND NITRATE MINERALS AT 298.15 K
NAME AND FORMULA
SODA-NITERNaNOj
STRONTIUM NITRATESr<NO»),
HEIGHT ENTROPY
S-
g j-Hor'-r1
84.995 116.50.7
211.630 194.60.5
VOLUME
V c-5
37.600.02
70.930.04
ENTHALPY
M°kJ-HOl'1
-468.00.4
-978.21.0
FREEENERGYA*'
kJ-HOl'1
-367.10.4
-779.01.3
LOG(K)
64.320.07
136.470.23
REFERENCES
S H/G C
419 419 361
419 419 361
28 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERMODYNAMIC PROPERTIES OF SULFATE AND BORATE MINERALS AT 298.15 1C
NAME AND FORMULA
ALUMINUM SULFATEA12(S04 )3
BARITEBaS04
ANHYDRITECaS04
GYPSUMCaS04 '2H20
CHALCOCYANITECuS04
CHALCANTHITECuS04 '5H20
BROCHANTITECu4(S04)(OH)6
FERRIC SULFATEFe2(S04 )3
SZOMOLNOKITEFeS04 'H20
MELANTERITEFeS04 '7H20
SULFURIC ACID (LIQUID)H2S04
ARCANITEK2S04
K-Al SULFATEKAl(S04 )2
ALUNITEKA13(OH)6(S04 )2
LANGBEINITEK2Mg2(S04 )3
MAGNESIUM SULFATEMgSO,
WEIGHT
9 J
342.
233.
136.
172.
159.
249.
452.
399.
169.
278.
98.
174.
258.
414.
414.
154
391
142
172
610
686
292
885
926
018
080
260
207
214
997
120.369
ENTROPY
S°
239.31.2
132.20.8
107.40.2
193.80.3
109.50.6
301.20.6
282.80.9
409.21.3
156.90.2
175.60.4
204.61.3
321.05.0
389.31.0
91.40.8
VOLUME
V° cm3
73.410.20
52.100.06
46.010.01
74.690.22
40.880.03
108.970.22
113.600.20
130.800.20
55.900.40
146.500.30
53.570.07
65.500.07
92.330.08
293.600.40
146.950.04
ENTHALPY
A.H"
kJ-HOl'
-3441.81.8
-1473.61.0
-1434.44.2
-2023.04.3
-771.41.3
-2279.73.4
-2581.92.9
-1244.30.5
-3014.30.6
-814.00.4
-1437.70.5
-2470.91.3
-5176.52.4
-4071.03.0
-1284.90.6
FREE ENERGY A*"
kJ-nor1
-3100.61.9
-1362. 51.3
-1321.84.
-1797.4.
-662.1.
-1880.3.
-1818.2.
-2254.3.
-2509.1.
-690.0.
-1319.0.
-2240.1.
-4663.2.
-3733.3.
-1170.0.
3
04
34
06
05
40
53
05
65
44
54
40
58
LOG(K)
543.200.33
238.700.23
231.570.75
314.820.77
116.030.25
329.360.63
318.490.44
394.960.52
439.640.23
120.880.08
231.180.09
392.500.24
817.000.42
654.050.52
205.070.14
REFERENCES
S H/G C
88
88
368
36888
10687
87
328
87
87
419
67
419
452
36840
67
88
88419
88419
88
4419
87419
26419
19
287
287
419124
67
419
452219
419
24788
88
88
368
106
328
38767
217
219
368
67
SULFATES AND BORATES 29
THERMODYNAMIC PROPERTIES OF SULFATE AND BORATE MINERALS AT 298.15 K
NAME AND FORMULA
EPSOMITEMgS04 -7H20
MANGANESE SULFATENnS04
MASCAGNITE(NH4 )2S04
THENARDITENa2S04
MIRABILITENa2S04 '10H20
NICKELOUS SULFATENiS04
RETGERSITE (ALPHA, GREEN)NiS04 -6H?0
MORENOSITENiS04 -7H20
ANGLES I TEPbS04
CELESTITESrS04
ZINKOSITEZnS04
BIANCHITEZnS04-6H20
GOSLARITEZnS04 -7H20
BORAX
WEIGHT
9 J
246.
151.
132.
142.
322.
154.
262.
280.
303.
183.
161.
269.
476
002
141
043
196
754
845
861
264
684
454
545
287.561
381.372
ENTROPY
S° rnol-'-IC1
372.04.0
127.01.5
220.51.3
149.60.1
591.90.6
101.30.3
334.50.4
378.90.4
148.50.6
117.04.2
110.51.3
363.61.3
388.71.3
586.02.3
VOLUME
yo
c-5
146.800.20
43.620.04
74.680.09
53.330.06
219.800.40
38.570.03
126.600.20
143.800.50
47.950.06
46.250.06
41.570.07
130.200.50
145.800.10
222.700.20
ENTHALPY
kJ-Hor'
-3388.70.1
-1065.71.1
-1182.71.3
-1387.80.4
-4327.34.0
-873.21.0
-2683.40.5
-2976.50.5
-920.00.4
-1453.24.2
-980.10.8
-2777.81.0
-3077.50.1
-6288.68.5
FREE ENERGY A*'
2871 .20.9
-962
1
-903
1
-12690
-36453
-762
1
-22250
-24610
-813
0
-13394
-868
0
-23241
-25620
-55168
.1
.5
.5
.6
.8
.4
.8
.4
.7
.0
.1
.5
.9
.5
.1
.5
.6
.4
.7
.9
.6
.0
.3
.1
.2
.5
LOG(K)
503.010.15
168.560.26
158.290.28
222.460.07
638.710.59
133.61
389.820.09
431.300.09
142.440.09
234.690.77
152.200.16
407.260.18
448.890.02
966.391.49
REFERENCES
S H/G C
419
450
41988
88419
47
401
87
87
85
419
87
87
87
419
41988
87377
88419
88419
4781
4014
87419
87419
85
419129
874
87419
87419
419
88
87
387219
81
401
88
87192
30 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERMODYNAMIC PROPERTIES OF PHOSPHATE, MOLYBDATE AND TUNGSTATE MINERALS AT 298.15 K
NAME AND FORMULA
BERLINITEMP04
WHITLOCKITECa3(P04 )2
FLUORAPATITEC^(P04)3F
HYDROXYAPATITEC^<P04)3ON
STRENGITEFcP04 '2H20
POWELLITECaMo04
UULFENITEPbMo04
SCHEELITECaU04
FERBERITEFeW04
HUEBNERITENnU04
STOLZITEPbU04
SANMARTINITEznuo*
HEIGHT ENTROPY
S°
g j-aor'-ir'
121.953 90.80.2
310.177 236.00.8
504.302 387.91.7
502.311 390.41.7
186.849 171.31.3
200.016 122.60.8
367.138 166.12.1
287.926 126.40.8
303.695 131.81.7
302.786 132.50.2
455.048 168.22.1
313.238 119.30.3
VOLUME
V° c*>
46.580.10
97.620.09
157.560.12
159.600.20
64.500.30
47.000.09
53.860.10
47.050.09
40.380.05
41.890.06
54.100.06
39.790.04
ENTHALPY
kJ-Hor1
-1733.85.0
4120.85.0
6872.05.0
-6738.55.0
1888.20.9
-1541.40.9
-1051.90.9
-1645.20.9
-1154.88.5
-1337.67.0
-1127.22.0
-1232.61.3
FREEENERGY
kJ-Hor'
-1617.95.0
-3883.65.0
-6489.75.0
-6337.15.0
-1657.51.0
-1434.70.9
-951.21.2
-1538.00.9
-1054.08.5
-1235.47.1
-1026.02.0
-1123.71.4
LOG(K)
283.440.88
680.380.88
1136.950.88
1110.220.88
290.370.18
251.340.15
166.650.20
269.510.16
184.641.49
216.441.24
179.740.35
196.860.25
REFERENCES
S H/G C
419
419
419
419
100
431
320
232
430265
304
428
260
419181
419
419
419
419
41912
41989
41917
4197
7
89
266
181
361
99
99
100
260266
ORTHO AND RING STRUCTURE SILICATES 31
THERMQDYNAMIC PROPERTIES OF ORTHO AND RING STRUCTURE SILICATE MINERALS AT 296.15 K
NAME AND FORMULA
TOPAZAl2Si04F2
KYANITEAl2Si°5
ANDALUSITEAl^iOg
SILLIMANITEAljjSiOg
MULLITEAl6Si 2°13
DUMORTIERITEAl6.75"o.25si3B017.25<OH >.75
EUCLASEBeAlSi04(OH)
PHENAKITEBe2Si04
BERYLBe3Al2(Si6°18>
BERTRANDITEBe4Si 207(OH)2
EPIDOTECa2Al2FeSi 3012(OH)
LAUSONITECaAl2 [S1 207(OH)2]H20
GEHLENITECa^SiCV
ZOISITECa2Al3Si3°12(OH>
GROSSULARCa3Al2Si 3°12
GLASSCa,AUSi,0,7
WEIGHT
g J
184.043
162.046
162.046
162.046
426.052
565.938
145.084
110.107
537.502
238.230
483.223
314.238
274.200
454.357
450.446
450.446
ENTROPY
S°
105.40.2
82.80.5
91.40.5
95.40.5
275.05.0
334.95.0
89.10.4
63.40.3
346.74.7
172.10.8
328.92.5
230.02.1
210.10.6
295.90.6
260.10.5
329.2+
VOLUME
V°
51.530.03
44.150.05
51.520.05
49.860.05
134.550.07
168.40.4
46.860.06
37.180.02
203.30.1
91.80.1
138.10.6
101.320.12
90.150.02
136.50.4
125.280.05
158.80.3
ENTHALPY
A,H° kJ-mol 1
-3084.54.7
-2593.82.0
-2589.92.0
-2586.12.0
-6819.210.0
-9109.020.0
-2532.93.0
-2143.14.0
-9006.67.0
-4580.55.5
-4869.02.1
-3985.05.0
-6901.13.3
-6640.03.2
FREE ENERGY A.G-
kJ-mol 1
-2910.64.7
-2443.12.0
-2441.82.0
-2439.12.0
-6441.810.0
-8568.220.0
-2370.23.0
-2028.44.0
-8500.56.4
-4295.15.5
-4512.92.1
-3785.55.0
-6504.53.3
-6278.53.2
LOG(K)
509.90.8
428.00.4
427.80.4
427.30.4
1128.61.8
1501.13.5
415.20.5
355.40.7
1489.21.1
752.51.0
790.60.4
663.20.9
1139.50.6
1099.90.6
REFERENCES
S H/G C
24
355177
355177
355177
67329
163
164
164
164
164
147
33568
172420
335
157251
345
2324
177407
177407
177407
6786
163
164238
164379
164238
164238
68
66
239
68237
24
177322
177322
177322
67329
163
164
164
164
164
239243
335
323
335
258438
32 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERNOOYNAMIC PROPERTIES OF ORTHO AND RING STRUCTURE SILICATE MINERALS AT 298.15 K
NAME AND FORMULA
DATOLITE CaB(Si04)(OH)
ILVAITE CaFe2Fe(Si 207)0(OH)
ANDRADITE Ca3Fe2Si3°12
MONT I CELL I TE CaMgSi04
AKERMANITE
MERUINITE Ca3Mg(Si04 >2
TITANITE (SPHENE) CaTiSiOj
LARNITE «-Ca2Si04
CALCIO-OLIVINE
HATURITE (ALITE) CajSiOj
RANKINITE Ca3Si2°7
ROSENHAHNITE Ca3Sf3°8(OH>2
SPURRITE Cas (Si04 )2C03
TILLEYITE Ca5Si207(C03)2
COBALT-OLIVINE Co2Si04
FAYALITE Fe2Si04
WEIGHT
9 J
159
408
508
156
272
328
196
172
172
228
.979
.793
.177
.466
.628
.705
.041
.239
.239
.317
288.401
366.500
444.565
488.575
209.950
203 .777
ENTROPY
S°
110.2 0.6
292.30.6
316.4 2.0
108.1 0.3
212.5 0.4
253.1 2.1
129.2 0.8
127.6 0.8
120.5 0.8
168.6 0.3
210.6 2.9
281.8 3.0
331.0 2.0
394.0 4.0
142.6 0.2
151.0 0.2
VOLUME
V° cm3
53.32 0.05
101.07 0.10
132.04 0.05
51.3 0.1
92.54 0.02
98.5 0.1
55.74 0.07
51.60 0.30
58.01 0.04
72.74 0.05
96.51 0.05
126.46 0.05
146.97 0.30
170.5 0.3
44.49 0.01
46.31 0.01
ENTHALPY
kJ-Hor'
-2477.8 2.3
-3692.8 5.0
-5771 5
-2251 3
-3864 2
-4536 3
-2596 3
-23061
-2316
2
-2933 2
.0
.9
.0
.0
.8
.0
.2
.0
.6
.0
.7
.5
.5
.5
.1
.5
-3949.0 10.0
-5198.1 3.0
-5840.2 5.7
-6372.2 5.7
-1412.0 2.0
-1478.2 1.3
FREEENERGY
kJ-mol 1
-2318.1 2.3
-3437.0 5.0
-5427.0 5.9
-2132.8 3.1
-3667.5 2.0
-4307.7 3.0
-2454.6 3.2
-2191.2 1.5
-2198.9 2.5
-2786.5 2.5
-3748.1 10.0
-4882.1 3.0
-5525.6 5.9
-6013.5 6.0
-1308.7 2.0
-1379.1 1.3
LOG(K)
406.1 0.4
602.1 0.9
950.8 1.0
373.6 0.5
642.5 0.4
754.7 0.5
430.0 0.6
383.9 0.3
385.2 0.4
488.2 0.4
656.6 1.8
855.3 0.5
968.0 1.0
1053.5 1.1
229.3 0.3
241.6 0.2
REFERENCES
S H/G C
448
349
348
385
165 427
427
406
225
149 405
149 405
149
68
450 188
450
364
350
383
349
281 242
49 385
165 49
49
37 188
149
149
410
410
68
188 410
188410
215 308
350 309
274 5
349
348 244
385
165 323
323
361
84 149
149 84
149
149
68
450
450
363
350 314
ORTHO AND RING STRUCTURE SILICATES 33
THERHOOYNAHIC PROPERTIES OF ORTHO AND RING STRUCTURE SILICATE MINERALS AT 298.15 K
NAME AND FORMULA
ALNANDINEF«3Al2Si3°12
STAUROLITEF«4Al 18Si8°46(OH >2
OSUMILITEKMg^ljKi^lgOjoJ.HgO
CORDIERITEMg2Al3(AlSi5018)
SAPPHIRINEN^Z*Wf°4>
FORSTERITEMg2Si04
PYROPEMgjAlgSijO^
GLASSMg3Al2Si3012
PYROPE-GROSSULAR 88.<H»1.8Ca1.2>Al2Si3°12
GLASS(M»1.5Ca1.5>Al2Si3°12
TEPHROITEMn2Si04
LIEBENBERGITEMi2Si04
Ni 2Si04-SPINEL Ni2Si04
UILLEMITEZn2Si04
ZIRCONZrSi04
HEIGHT
g J
497.753
1703.727
1001.468
584.953
344.616
140.693
403.127
403.127
422.055
426.787
201.959
209.463
209.463
222.863
183.307
ENTROPY
S°
342.61.4
985.04.0
407.23.8
197.52.0
94.10.1
266.30.8
346.312.0
268.3+0.5
311.8+0.6
155.90.5
128.10.2
124.1 0.4
131.40.8
84.01.3
VOLUME
V°C-5
115.320.04
445.91.7
379.20.3
233.220.22
98.90.7
43.650.03
113.120.15
146.10.2
118.350.05
152.50.2
48.990.03
42.570.02
39.81 0.01
52.420.08
39.260.07
ENTHALPY
A,H°
-5264.73.0
-9161.55.9
-2173.02.0
-6285.04.0
-6163.015.0
-1731.53.0
-1396.53.0
-1389.7 3.5
-1636.75.0
-2034.23.1
FREE ENERGY A.G'
kJ-wol 1
-4942.03.3
-8651.15.9
-2053.62.0
-5934.54.0
-5836.315.0
-1631.03.0
-1288.93.0
-1280.9 3.5
-1523.15.0
-1919.73.1
LOG(K)
865.80.6
1515.61.0
359.80.4
1039.70.7
1022.52.6
285.70.5
225.80.5
224.4 0.6
266.80.9
336.30.5
REFERENCES
S H/G C
9 69 447277 445 151
172 172
180
427 297 323
186
364 364 364240 119
157 188 453298
402 402 402
157 298
345
364 364 364
363 363 363308
363 363 423
405 223
361 101 361379
34 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERMODYNAMIC PROPERTIES OF CHAIN AND BAND STRUCTURE SILICATE MINERALS AT 298.15 K
NAME AND FORMULA
UOLLASTONITE CaSi&j
PSEUDOUOLLASTONITE CaSiOg
GLASS CaSiOg
Ca-Al PYROXENE CaAl2Si06
GLASS CaAl2Si06
FERROBUSTAMITECaFeSi 206
HEDENBERGITECaFeSi206
GLASSCaFeSi 206
DIOPSIDECaMgSi^
GLASSCaMgSi^
FERROSILITEFeSiOj
a-SPODUMENELiAlSi 206
B-SPOOUHENELiAlSi 206
ENSTATITENgSiOj
GLASSMgSiOj
CLINOENSTATITEMgSiOj
WEIGHT ENTROPY
S°
116.162 81.7 0.1
116.162 87.2 0.9
116.162 94.8 3.0
218.123 141.0 2.0
218.123 155.3+ 0.3
248.092 180.50.3
248.092 174.20.3
248.092 185.7+0.4
216.550 142.70.3
216.550 166.03.0
131.931 94.60.3
186.090 129.30.8
186.090 154.41.2
100.389 66.30.1
100.389 74.10.2
100.389 67.90.4
VOLUME
V° cm3
39.90 0.03
40.08 0.14
40.13 0.15
63.57 0.01
78.13 0.08
73.000.02
67.950.01
66.090.10
76.090.20
33.000.02
58.370.02
78.250.04
31.310.02
36.600.25
31.280.02
ENTHALPY
M" kJ-mol 1
-1634.8 1.4
-1627.6 1.4
-1608.7 3.0
-3306.3 2.5
-2839.93.0
-3201.52.0
-3156.15.0
-1195.23.0
-3053.52.8
-3025.32.8
-1545.61.5
-1542.52.0
-1545.01.5
FREE ENERGY A*'
kJ-Hol'1
-1549.0 1.4
-1543.5 1.4
-1526.8 3.0
-3129.6 2.6
-2676.33.0
-3026.82.0
-2988.45.1
-1118.03.0
-2880.23.0
-2859.53.0
-1458.31.6
-1457.52.0
-1458.11.6
LOG(K)
271.4 0.2
270.4 0.2
267.5 0.5
548.3 0.5
468.90.5
530.30.4
523.50.9
195.90.5
504.60.5
501.00.5
255.50.3
255.30.4
255.50.3
REFERENCES
S H/G C
259 348 257 149
149 344 344 149
344 344
154 68 65
154
156
156 281156
156
259 165
343 340
41 41291
327 17120
327 17120
259 37408
345 345
361 296311
389 344
344 149
344
154 403
156
15629
257
343340
188423
32728
327
257188
361
CHAIN AND BAND STRUCTURE SILICATES 35
THERMODYNAMIC PROPERTIES OF CHAIN AND BAND STRUCTURE SILICATE MINERALS AT 298.15 1C
NAME AND FORMULA
MgSiOj-PEROVSKITE MgSiOj
MgSiOj-ILMENITE MgSiOj
HYPERSTHENE(Mg 85Fe ,5)8103
RHODONITEMnSiOj
PYROXMANGITEMnSiOj
JADEITENaAlSi 206
GLASSNaAlSi 206
ACMITENaFeSi 206
TREMOLITECa2Mg5Si8022(OH)2
GRUNERITEFe7Si 8022(OH)2
ANTHOPHYLLITEMg7Si 8022(OH)2
RIEBECKITENa2Fe3Fe2Si 8022(OH)2
GLAUCOPHANENa2Mg3Al2Si8022(OH)2
PARGASITENaCa2Mg4Al(Al2Si6)022(OH)2
FLUOR -PARGASITENaCa5Mg,Al(AUSi,)055F,
WEIGHT
g J-
100
100
105
131
131
202
202
231
812
1001
780
935
783
835
839
.389
.389
.120
.022
.022
.139
.139
.004
.366
.614
.820
.900
.543
.825
.807
ENTROPY
S°
63.6 3.0
60.4 3.0
69.00.2
100.51.0
99.42.0
133.51.3
170.50.4
170.60.8
548.91.3
725.07.0
534.53.5
691.06.0
541.23.0
582.04.0
583.05.0
VOLUME
V cm5
24.50 0.05
26.36 0.02
31.530.05
34.940.05
34.720.02
60.400.10
64.600.11
272.900.73
278.70.5
265.40.4
274.70.9
262.10.2
272.00.2
270.60.2
ENTHALPY
A,H-
kJ-mol 1
-1445.1 5.0
-1486.6 5.0
-1321.62.0
-1322.32.0
-3029.33.6
-2584.54.0
-12303.07.0
-9623.010.0
-12070.08.0
-11964.09.0
-12719.822.0
-12800.514.0
FREE ENERGY A,G»
kJ-mol 1
-1357. 5.0 0
-1397.5 5.0
-1244.2.
-1245.2.
-2850.4.
-2417.4.
-11574.7.
-8964.10.
72
04
60
22
60
82
-11343.48.5
-11230.10.
-11981.
80
519.0
-12102. 214.0
LOG<K>
237.7 0.9
244.8 0.9
218.00.4
218.10.4
499.40.7
423.50.7
2027.81.2
1570.61.8
1987.31.5
1967.61.8
2099.13.3
2120.22.5
REFERENCES
S H/G C
105
105
367
367
367
220
345
24833
370
264252
162
450
362
433186
450434
105
13 288
367289
36732
166184
31188
205426
2648
16270
188
188433
434
13
390224
220
31
257
25234
162
185118
36 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERMODYNAMIC PROPERTIES OF FRAMEWORK STRUCTURE SILICATE MINERALS AT 298.15 1C
NAME AND FORMULA
EOINGTONITE (ordered)BaAl2Si3010 '3H20
ANORTHITECaAljjSigCfc
HEXAGONAL ANORTHITECaAl2Si' 2Og
CaAl2$i 208-glass CaAl2Si208
STILBITECa1.02Ma0.14IC.01 (Al2.18Si6
HEULANDITECa0.59Sr0.18Ba0.06Na0.38IC0
UAIRAKITECaAl2Si4012-2H20
LAUMONTITECaAl2Si4012 '4H20
SCOLECITECaAl2Si3°1o'3H2°
LEONHAROITECa2Al4Si8°24' 7H2°
BICCHULITECa2Al2Si06(OH)2
MEIONITE (Al/Si ordered)Ca^Si^COj
OANBURITECaB2Si 208
CLINOPTILOLITE
WEIGHT ENTROPY
S°
g J-raol-'-lf1
489.586
278.207
278.207
278.207
714.893.82°18) " 7- 33H2°
707.942.13AI2.16S!6.84°'
434.406
470.437
392.337
922.859
292.216
934.709
245.866
2701.506
434.81.5
199.30.3
214.81.3
237.3 2.5
805.91.6
767.2|8.6H20
440.010.0
367.40.7
922.210.9
213.15.0
715.21.0
155.30.4
2872.3+(Ma0.56IC0.98Ca1.50M8l.23><Al6.7Fe0.3)Si29°72' 22H20
POLLUCITE<C8.65Na .19Rb.03)Al2si4°12
MICROCLINEKAlSijOg
245.488 H20
278.332
207.20.4
214.20.4
VOLUME
V cm5
180.400.60
100.790.05
99.850.79
103.0 0.2
333.41.0
317.61.0
190.40.5
211.31.0
172.30.5
409.32.0
103.680.10
340.360.08
82.200.40
1267.67.0
83.02.0
108.720.10
ENTHALPY
A,H°
kJ-mol 1
-4234 .02.0
-4163 4
-110386
-1059410
-60495
-43415
-138816
.2
.0
.0
.6
.6
.2
.0
.0
.2
.0
.4
.2
-3902.82.9
-3974.6
3.9
FREEENERGY
kJ-mol 1
-4007.92.0
-3948 4
-101466
-977910
-67727
-55975
-4073
.4
.0
.0
.6
.0
.2
.0
.0
.6
.0
.05.0
-13131.86.2
-3677.02.9
-3749.33.9
LOG(K)
702.20.4
691.7 0.7
1777.51.2
1713.21.8
1186.41.2
980.70.9
713.60.9
2300.61.1
644.20.5
656.80.6
REFERENCES
S H/G C
27
36656
231
366
19574
208
159
207
231
68
282
448274
173214
30
313
15068
171
450
195
20874
195
207
68144
282
383
166
446258
258
208
68
450
5
167
FRAMEWORK STRUCTURE SILICATES 37
THERMODYNAMIC PROPERTIES OF FRAMEWORK STRUCTURE SILICATE MINERALS AT 298.15 1C
NAME AND FORMULA
SANIDINEKAlSijOg
GLASSKAlSijOg
KALIOPHILLITE (KALSILITE)KAlSi04
LEUCITEKAlSijjOa
EUCRYPTITELiAlSi04
PETAL I TELiAlSi401Q
ALBITENaAlSi3Og
ANALBITENaAlSi3Og
GLASSNaAlSi3Og
NA-K FELDSPAR SS.<Ma0.85K0.15>AlSi3°8
NA-K FELDSPAR SS.<Na0.55-K0.45>AlSi3°8
NA-K FELDSPAR SS.<Na0.25K0.75>AlSi3°8
NEPHELINENaAlSi04
CARNEGIEITENaAlSi04
GLASSNaAlSi04
ANALCIMENaAlSi206'H20
WEIGHT
g J c
278.332
278.332
158.163
218.247
126.006
306.259
262.223
262.223
262.223
264.639
269.472
274.304
142.054
142.054
142.054
220.154
ENTROPY
S° ol-'-IC-1
232.80.5
261.61.8
133.31.2
200.21.7
103.80.8
233.20.6
207.40.4
225.60.4
251.91.5
231.30.4
237.00.4
237.40.4
124.41.3
118.70.3
134.50.5
227.70.3
VOLUME
yo
cm5
109.050.10
116.501.00
59.890.05
88.270.05
53.630.08
128.400.50
100.070.13
100.430.09
110.100.20
102.180.10
105.220.10
107.370.10
54.190.06
56.030.02
56.860.06
97.40.2
ENTHALPY
A,H- kJ-mol'1
-3965.64.1
-3920.84.2
-2124.73.1
-3037.82.7
-2123.32.0
-4886.56.3
-3935.02.6
-3923.62.6
-3875.53.7
-3932.14.0
-3945.14.0
-3954.54.0
-2090.43.9
-2104.34.0
-2089.04.0
-3310.13.3
FREE ENERGY i.G"
kJ-mol 1
-3745.84.1
-3709.64.2
-2008.83.1
-2875.12.7
-2009.22.0
-4610.76.3
-3711.62.6
-3705.62.6
-3665.33.7
-3715.24.0
-3728.74.0
-3737.14.0
-1975.83.9
-1988.04.0
-1977.44.0
-3090.03.3
LOG(K)
656.20.7
649.90.6
351.90.5
503.70.5
352.00.4
807.81.1
650.20.5
649.20.5
642.10.6
650.90.7
653.20.7
654.70.7
346.10.7
348.30.7
346.40.7
541.30.6
REFERENCES
S H/G C
313155
366
220
220
327
18035
313123
313155
366
155
155
155
220
346
346
206
166194
166421
188
188
17120
18028
166171
166171
421
155
155
155
188
450
346
206
167
258
317
317263
327
18035
167220
167
258
220183
220
346
206
38 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERMODYNAMIC PROPERTIES OF FRAMEWORK STRUCTURE SILICATE MINERALS AT 298.15 1C
NAME AND FORMULA
DEHYDRATED ANAL C I MENaAlSi 206
NATROLITENagAlgSi^Q^HgO
PHILLIPSITE<"a1.1K0.8>Al 1.9Si6.1°16-
MESOLITEMa0.68Ca0.66(Al 1 .99Si3.01
MORDENITE
WEIGHT
9 >
202.139
380.224
643.2366H20
388.050010)-2.65H20
441.880Ma0.36Ca0.29Al0.94s'"5.06012' 3-47H2°
DEHYDRATED MORDENITE 379.367Na0.36Ca0.29Al0.94Si5.06°12
MERLINOITENa/t otK/t ioAlSl« a/Oc no"
U.OI Mm IT I.TH JmOO
MERLINOITEIC0.80Na0.20AlSi 1 .94°5.88"
MERLINOITE^'"I.WOS.M' 1 -69^
MERLINOITENa0.81 IC0.19AlSi 1.8105.62"
MERLINOITE
*T) 91 0 09^ 1 81^5 &?*
MERLINOITEKAlSiimO,. A,M.69H,0
239.9672.13H20
244.0281.81H20
245.088
233.0572.18H20
237.6291.79H20
237.277
ENTROPY
Se
172.50.2
359.70.7
771.9+2.4
363.0+2.0
486.5+1.0
299.1+0.6
282.4+0.4
276.6+0.4
274.3+0.4
274.6+0.4
260.5+0.4
259.7+0.5
VOLUME
V of
169.20.2
303.08.0
171.10.4
209.81.2
150.60.5
152.20.5
151.20.5
153.60.5
151.50.5
149.80.5
ENTHALPY
A.H" kJ-mol 1
-2983.13.5
-5718.65.0
-5947.15.4
-6736.74.5
-5642.34.6
-3591.22.9
-3519.02.9
-3481.83.0
-3488.32.8
-3387.32.8
-3360.02.8
FREEENERGY 4,6"
kJ-mol 1
-2816.03.5
-5316.55.0
-5512.76.0
-6227.94.5
-5318.94.6
-3312.02.9
-3258.02.9
-3227.63.0
-3212.02.8
-3131.12.8
-3110.22.8
LOG<K>
493.40.6
931.40.9
965.81.1
1091.10.8
931.80.8
580.20.5
570.80.5
565.40.5
562.70.5
548.50.5
544.90.5
REFERENCES
S H/G C
206 206
207 207
173
207 207
212 212
212 212
95 9596
95 9596
95 9596
95 9596
95 9596
95 9596
317206
SHEET STRUCTURE SILICATES 39
THERMODYNAMIC PROPERTIES OF SHEET STRUCTURE SILICATE MINERALS AT 298.15 1C
NAME AND FORMULA
DICKITEAl2Sf2°5(OH>4
KAOLINITEAl2Si205(OH)4
HALLOYSITEAl2Sf 2°5(OH>4
PYROPHYLLITEAl2Si4010(OH)2
ILLITEK3(Al7Mg)(Al2Si 14)040(OH)8
MARGARITECaAl2 [Al2Si 2010](OH)2
PREHNITECa2Al[AlSi3010](OH)2
MUSCOVITE (Al/Si disordered)KAl2 [AlSi3010](OH)2
MUSCOVITE (Al/Si ordered)KAl2 [AlSi3010](OH)2
ANNITEICFe3 [AlSi3010](OH)2
PHLOGOPITE (Al/Si disordered)KM93 CAlSi3010](OH)2
PHLOGOPITE (Al/Si ordered)KMg3 [AlSi301Q](OH)2
WEIGHT
9 J
258.160
258.160
258.160
360.314
1553.665
398.184
412.384
398.308
398.308
511.886
417.260
417.260
FLUORPHLOGOPITE (Al/Si disorder)421.242W^WlSijO^Fg
FLUORPHLOGOPITE (Al/Si ordered)KM93 CAlSi3010]F2
TALCH95Si4010(OH)2
CHRYSOTILE (ANTIGORITE)Mg^Si^OcCOH),
421.242
379.266
277.112
ENTROPY
S°
197.11.3
200.40.5
203.01.3
239.40.4
1104.22.5
263.60.3
292.80.7
306.40.6
287.70.6
415.010.0
334.61.0
315.91.0
336.32.1
317.62.1
260.80.6
221.30.8
VOLUME
VC*3
98.560.04
99.340.01
128.100.08
577.0010.00
129.630.06
141.100.10
140.810.10
140.810.10
154.300.50
149.650.10
149.650.10
146.520.10
146.520.10
136.200.20
107.500.40
ENTHALPY
A,H°
kJ-mol 1
-4118.52.0
-4119.01.5
-4101.510.0
-5640.01.5
-6244.02.6
-6202.62.0
-5974.84.9
-5990.04.9
-5149.34.0
-6226.06.0
-6246.06.0
-6355.54.0
-6375.54.0
-5900.02.0
-4360.03.0
FREEENERGY
kJ-mol 1
-3796.02.1
-3797.51.5
-3780.710.0
-5266.21.5
-5858.92.6
-5824.72.0
-5598.84.9
-5608.44.9
-4798.34.0
-5846.06.0
-5860.56.0
-6015.74.2
-6030.14.2
-5520.22.1
-4032.43.1
LOG(K)
665.00.4
665.30.3
662.41.8
922.60.3
1026.40.5
1020.40.4
980.90.9
982.60.9
840.60.7
1024.21.0
1026.701.0
1053.90.7
1056.40.7
967.10.4
706.40.5
REFERENCES
S H/G C
230
358198
230
365
365
335
335
365432
365432
186174
356
356
218
218
370
226
171149
17968
171
25868
68
68
166152
166152
188
356
356
171434
356
162
171
149
179
258
335
335
258316
258316
188
356
356
218
218
257
226
40 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THERMODYNAMIC PROPERTIES OF SHEET STRUCTURE SILICATE MINERALS AT 298.15 1C
NAME AND FORMULA
CLINOCHLOREMg5Al(AlSi 3010)(OH)8
PARAGON I TE (Al/Si disordered)NaAl2 [AlSi3010](OH)2
PARAGONITE (Al/Si ordered)NaAU[AlSi,Oin](OH),
WEIGHT ENTROPY
S°
g J-«ol 1 -IC1
555.797 421.015.0
382.200 295.80.9
382.200 277.10.9
VOLUME
V° <**
211.000.50
132.10.1
132.10.1
ENTHALPY
M"kJ-mol 1
-8919.020.0
-5933.03.8
-5949.33.8
FREEENERGYA*°
kJ-mol 1
-8255.820.0
-5555.73.9
-5568.53.9
LOG(K)
1446.33.5
973.30.7
975.60.7
REFERENCES
S H/6 C
180 182 182204
356 356 356
356 356 35637
ELEMENTS 41
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR SELECTED ELEMENTS
NAME AND FORMULA
SILVER Ag (crystal)
ALUMINUM Al (crystal)
ARSENIC As
GOLD Au (crystal)
BORON B (crystal)
BERYLLIUM Be (crystal)
BISMUTH Bi
BROMINE Br2 (ideal gas)
GRAPHITE C (crystal)
DIAMOND C (crystal)
CALCIUM Ca (a- crystal)
CADMIUM Cd (crystal)
CERIUM Ce (crystal)
CHLORINE C12 (ideal gas)
COBALT Co (crystal)
CHROMIUM Cr (ci rstal)
ENTROPY A1 A2 A3 A4 AS J-mol-'-lf1 (T) (T z) (f0*) (T2)
42.55 1.126E+01 1.169E-02 -2.124E+05 2.253E+02 0.21
28.30 4.132E+01 -1.988E-02 -1.265E+05 -1.816E+02 1.93E-05 0.08
35.69 2.0845E+01 6.3265E-03 -9.8777E+04 5.2398E+01 0.84
47.49 4.197E+01 -1.770E-02 -2.161E+02 1.123E-05 0.21
5.83 4.758E+01 -5.227E-03 -5.903E+04 -5.899E+02 1.372E-06 0.08
9.50 1.8735E+01 9.293E-03 -4.502E+05 0.08
56.74 2.6852E+01 -1.7289E-02 4.1802E-05 0.42
249.34 4.211E+01 -2.470E-03 -3.021E+04 -8.739E+01 9.370E-07 0.05
5.74 6.086E+01 -1.024E-02 7.139E+05 -9.922E+02 1.669E-06 0.10
2.38 9.845E+01 -3.655E-02 1.217E+06 -1.659E+03 1.098E-05 0.20
42.90 -2.659E+01 5.236E-02 -4.877E+05 7.442E+02 -9.772E-06 0.10
51.80 -3.8115E-02 -1.3402E+05 3.0044E+02 -1.4336E-05 0.15
72.00 1.4017E+01 1.9292E-02 -1.0802E+05 1.4469E+02 4.00
223.08 4.591E+01 -3.699E-03 -4.094E+04 -1.811E+02 1.009E-06 0.02
30.04 4.1844E-02 -1.5646E+05 2.6875E+02 -1.6498E-05 0.42
23.62 -1.625E+01 2.293E-02 -1.222E+06 8.032E+02 1.232E-06 0.21
T range T^ A^H0 K 1C kJ-Mol'1
298 1234.9 11.95 1235
298 933.5 10.70 933.5
298 875
298 1337.3 12.36 1337.3
2982350
2981550
298544.52
332.52200
2982500
298 1800
298 716
298 594.18
298 999
298 2500
298 700
298 2100
42 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR SELECTED ELEMENTS
NAME AND FORMULA
COPPER Cu (crystal)
COPPER Cu (liquid)
FLUORINE F2 (ideal gas)
GERMANIUM Ge (crystal)
HYDROGEN H2 (ideal gas)
MERCURY Hg (liquid)
MERCURY Hg (ideal gas)
IODINE I 2 (ideal gas)
MAGNESIUM Mg (crystal)
MAGNESIUM Mg (liquid)
MAGNESIUM Mg (ideal gas)
MANGANESE Mn (a-crystal)
MOLYBDENUM Mo (crystal)
NITROGEN N2 (ideal gas)
SODIUM Na (liquid)
SODIUM Na (ideal gas)
ENTROPY A1 A2 A3 A4 AS J-mol'-lf1 (T) (T 2) (r06) (T2)
33.14 6.084E+01 -2.875E-02 3.331E+05 -5.671E+02 1.420E-05 0.03
83.95 3.280E+01 0.50
202.79 4.057E+01 1.792E-03 -1.004E+05 -1.489E+02 -4.836E-07 0.02
31.09 2.4033E+01 3.049E-03 -1.5714E+05 0.84921E+00 -2.5E-08 0.15
130.68 4.783E+00 1.335E-02 -5.617E+05 4.583E+02 -1.825E-06 0.02
75.90 1.6815E+01 3.623E-03 -7.956E+04 1.860E+02 2.168E-06 0.12
174.97 2.079E+01 0.02
116.14 1.3122E+01 9.111E-03 -1.0131E+06 5.3419E+02 -1.5E-07 0.30
32.67 4.1345E-02 -2.7217E+05 3.1329E+02 -1.3745E-05 0.10
73.23 3.431E+01 0.15
148.65 2.079E+01 0.02
32.01 4.1345E-02 -2.7217E+05 3.1329E+02 -1.3745E-05 0.08
28.66 4.167E+01 -9.165E-03 1.082E+05 -2.882E+02 4.904E-06 0.21
191.61 2.479E+01 9.648E-03 1.459E+05 -2.003E-06 0.02
64.92 3.7482E+01 -1.9183E-02 1.0644E-05 0.20
153.72 2.079E+01 0.02
T range T^ A^H0 K 1C kJ-mol 1
298 1357.8 13.14 1357.8
1357.8 2500
2982500
2981211.4
2982500
298 59.2 629
298 629 1800
457.7 1800
298 923 8.48 923
923 1366
298 2000
298 980
298 2500
2982500
371 1170.5
298 2500
ELEMENTS 43
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR SELECTED ELEMENTS
NAME AND FORMULA
NICKEL Ni (crystal)
OXYGEN 02 (ideal gas)
PHOSPHORUS P (liquid)
LEAD Pb (crystal)
PLATINUM Pt (crystal)
SULFUR S (ortho-crystal)
SULFUR S2 (ideal gas)
ANTIMONY Sb (crystal)
SILICON Si (crystal)
SILICON Si (liquid)
TIN Sn (crystal)
STRONTIUM Sr (crystal)
TELLURIUM Te (crystal)
Thorium TH (crystal)
TITANTIUM Ti (a-crystal)
URANIUM U (crystal)
ENTROPY A1 A2 A3 A4 AS J-niol'-IC1 (T) (T 2) (r08) (T2)
29.87 1.5121E+02 -2.049E-01 -1.3746E+03 1.742E-04 0.08
205.15 5.658E+01 -5.255E-03 6.856E+05 -5.780E+02 1.113E-06 0.02
42.58 2.632E+01 0.25
64.80 2.266E+01 1.0089E-01 -8.717E+04 4.0666E+01 0.30
41.63 2.0046E+01 7.415E-03 -1.298E+05 8.738E+01 -4.798E-07 0.20
32.05 2.270E+01 0.05
228.17 3.751E+01 2.173E-03 -1.645E+05 -6.575E+01 -7.275E-08 0.02
45.52 5.2603E+01 -3.2904E-02 1.2617E+05 -3.6512E+02 2.4691E-05 0.21
18.81 2.431E+01 3.003E-03 -3.185E+05 -2.831E+01 2.330E-07 0.08
91.56 2.720E+01 0.5
51.18 -6.8705E+01 7.2961E-02 -1.2938E+06 1.53013E+03 0.08
55.69 2.3369E+01 1.066E-02 2.233E+04 0.03
49.71 1.9124E+01 2.2061E-02 0.20
51.83 2.27467E+01 9.338E-03 -3.00023E+03 1.27357E+01 -9.09E-08 0.50
30.76 2.01595E+02 -1.4675E-01 1.97328E+06 -2.7691E+03 6.28E-05 0.10
50.20 3.2944E+01 -7.800E-03 -9.500E+01 2.860G-05 0.20
T range T^ A^H" 1C K kJ-nol'1
298 600
2982500
317.3 1000
298 600.6 4.81 600.6
298 1800
298
2982500
298904
298 1685 50.02 1685
1685 2500
298505.1
298 820
298 723
298 1650
298 1166
298942
44 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR SELECTED ELEMENTS
NAME AND FORMULA
VANADIUM V (crystal)
TUNGSTEN U (crystal)
ZINC Zn (crystal)
ZINC Zn (liquid)
ZINC Zn (ideal gas)
ZIRCONIUM Zr (o-crystal)
ZIRCONIUM Zr (0-crystal)
METHANE CH4
COHENITE Fe3C
AMMONIA NH3
ENTROPY Al A2 A3 A4 AS J-MOl-'-lf1 (T) (T 2) (T*6) (T2)
28.94 3.440E+00 1.334E-02 -6.971E+05 4.369E+02 2.020E-07 0.42
32.65 3.814E+01 -5.430E-03 2.183E+05 -2.568E+02 2.552E-06 0.10
41.63 2.909E+01 -3.507E-03 -6.366E+01 1.161E-05 0.15
75.16 3.138E+01 0.30
160.99 2.079E+01 0.03
38.87 -2.585E+01 3.6755E-02 -9.032E+05 8.778E+02 -6.585E-06 0.20
79.48 2.1943E+01 -6.37E-03 -1.1452E+06 2.7991E+02 4.81E-06
186.26 1.194E+02 2.055E-02 2.814E+06 -2.090E+03 -5.000E-06 0.04
104.40 1.073E+02 1.253E-02 3.40
192.77 5.139E+01 2.660E-02 7.584E+05 -5.480E+02 -4.900E-06 0.03
T range T^ A^H0 K 1C kJ-mol 1
2982200
2982500
298 692.7 7.30 692.7
692.7 1180.2
1180.2 2500
298 1135 4.02 1135
1135 2000
2981800
2981800
2981800
SULFIDES AND SULFOSALTS 45
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR SULFIDE AND SULFOSALT MINERALS
NAME AND FORMULA
ACANTHITE (ARGENT I TE)Ag2s
REALGAR AsS
GREENOCKITE CdS
CATTIERITE CoS2
COVELLITE CuS
CHALCOCITE
CHALCOPYRITE CuFeS2
ISS (intermediate ss) CuFeS,
ENTROPY A1 A2 A3 A4 AS J-mol'-IC1 (T) (T 2) (T'06) (T2)
142.9 7.531E+01 0.3
63.5 4.702E+01 0.6
72.2 3.538E+01 1.503E-02 -5.333E+05 2.357E+02 -2.400E-06 0.3
74.8 6.582E+01 3.032E-02 -5.870E+05 0.2
67.4 4.3049E+01 2.023E-02 -1.39938E-05 4.35838E-01 0.2
116.2 7.684E+01 0.1
124.9 -5.8753E+02 3.7073E-01 -1.4721E+07 1.275E+04 0.2
250.5 -1.01845E+03 1.358E+00
T range T^, A^H0 K K kJ-mol 1
298
298
2981100
2981000
298780
298
298820
820 930
BORNITE
TROILITE
FeS
398.5 2.429E+02
0.8
60.3 5.049E+01
0.2
298
298
PYRRHOTITE
Fe.875
PYRRHOTITE
Fe >89S
PYRRHOTITE
Fe.90S
PYRRHOTITE
Fe .98S
PYRITE
FeSo
60.7 4.988E+01
0.2
5.084E+01
63.2 5.123E+01
0.1
5.095E+01
298
298
298
298
52.9 -2.032E+01 5.030E-02 -3.200E+06 1.787E+03 298
0.1 1015
HARCASITE
FeS2
53.9 3.832E+02 -3.173E-01 1.676E+06 -4.488E+03 1.676E-04 298
0.1 700
46 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR SULFIDE AND SULFOSALT MINERALS
NAME AND FORMULA
HYDROGEN SULFIDE H2S (IDEAL GAS)
ALABANDITE MnS
MOLYBDENITE MoS2
MILLERITE NiS
HEAZLEUOODITE Ni3S2
GALENA PbS
STIBNITE
HERZENBERGITE SnS
HERZENBERGITE SnS
BERNDTITE SnS2
TUNGSTEN I TEws2
SPHALERITE ZnS
WURTZITE ZnS
BERTHIERITE
CHALCOSTIBITE CuSbS2
ENTROPY A1 A2 A3 A4 AS J-mol'-IC1 (T) (r2) (T* 6) <T2)
205.8 2.636E+01 2.650E-02 2.660E+05 -4.356E+01 -6.024E-06 0.2
80.3 1.353E+02 -5.775E-02 1.169E+06 -1.435E+03 2.087E-05 0.8
62.6 1.045E+02 -4.812E-03 -6.291E+03 -6.817E+02 0.2
53.0 4.711E+01 0.4
133.2 1.057E+03 -8.988E-01 8.139E+06 -1.388E+04 4.660E-04 0.3
91.7 4.460E+01 1.640E-02 0.7
182.0 1.705E+02 -4.860E-03 7.539E+05 -9.978E+02 3.3
77.0 -1.559E+02 1.219E-01 -3.548E+06 3. 604 E +03 0.8
135.1 2.672E+01 3.035E-02 1.0
87.5 2.004E+01 3. 823 E- 02 - 9. 60 2 E +05 8. SUE +02 0.2
67.8 7.633E+01 5.561E-04 -1.137E+06 1.408E-06 0.3
58.7 6.151E+01 7.631E-04 -7.963E+04 -2.604E+02 0.8
58.8 4.191E+01 7.619E-03 -6.603E+05 1.577E+02 0.2
245.0 1.000E+01 7.930E-02 -6.416E+06 3.691E+03 1.0
149.2 8.810E+01 4.040E-02 3.8
T range Tw A^M0 K K kJ-mol 1
298 1800
298 1800
2981200
298
298 840
298 900
298 829
298 875
875 1153
2981000
2981500
298 1300
298 1300
298 836
298 826
OXIDES AND HYDROXIDES 47
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR OXIDE AND HYDROXIDE MINERALS
NAME AND FORMULA
CORUNDUM A12°3
BOEHMITE AIO(OH)
DIASPORE AIO(OH)
GIBBSITE Al(OH)3
D I BORON TRIOXIDE B2°3
D I BORON TRIOXIDE B2°3 ^ llclu' c|)
BARIUM MONOXIDE BaO
BROMELLITE BeO
B I SMITE Bi2°3
CARBON MONOXIDE CO (ideal gas)
CARBON DIOXIDE C02 (ideal gas)
LIME CaO
PORTLAND I TE Ca(OH)2
CERIANITE Ce02
COBALT MONOXIDE CoO
TR I COBALT TETROXIDE Co»0,
ENTROPY A1 A2 A3 A4 AS J-mor'-IC1 (T) (T 2) (T* 6) (T2)
50.9 1.612E+02 -1.352E-03 -1.815E+06 -1.059E+03 5.381E-07 0.1
37.2 2.057E+02 -3.492E-02 1.027E+06 -2.635E+03 0.1
35.3 5.333E+01 0.2
68.4 9.170E+01 0.1
54.0 1.847E+02 7.108E-03 6.441E+05 -2.270E+03 0.3
160.9 1.297E+02 0.5
72.1 5.722E+01 5.370E-03 -1.669E+05 -1.668E+02 0.4
13.8 8.274E+01 -7.301E-03 -4.158E+05 -8.718E+02 1.845E-06 0.2
151.5 1.036E+02 3.336E-02 2.1
197.3 3.976E+01 3.188E-03 5.292E+05 -3.013E+02 -8.078E-07 0.0
213.8 8.811E+01 -2.698E-03 7.232E+05 -1.007E+03 0
38.1 5.185E+01 2.444E-03 -9.340E+05 0.4
83.4 1.867E+02 -2.191E-02 -1.600E+03 0.4
62.3 8.029E+01 5.699E-03 -7.294E+05 -2.099E+02 0.1
52.8 -3.0A7E+01 2.946E-02 -4.166E+06 1.932E+03 0.3
109.3 1.316E+02 6.602E-02 -2.480E+06 0.3
T range T., A...H0 K K kJ-wol 1
298 2345 2250
298 600
298
298
298 723
723 2200
298 1800
298 2000
298 800
298 2500
298 2200
2982500
298 700
298 1800
2981800
298 1000
48 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COEFFICIENTS FOR NEAT CAPACITY EQUATIONS FOR OXIDE AND HYDROXIDE MINERALS
NAME AND FORMULA
ESKOLAITE Cr2°3
TENORITE CuO
CUPRITECu2o
UUSTITE Fe.947°
FERROUS OXIDE FeO (fictive)
HEMATITE Fe2°3
HEMATITE Fe2°3
MAGNETITE Fe3°4
MAGNETITE Fe3°4
STEAM H20 (ideal gs)
DIPOTASSIUM MONOXIDE
DILITHIUM MONOXIDE Li 20
PERICLASE MgO
BRUCITE Mg(OH)2
MANGANOSITE MnO
PYROLUSITE MnO,
ENTROPY A1 A2 A3 A4 AS J-mor'-IC1 (T) (T 2) (r06) (T2)
81.2 1.190E+02 9.496E-03 -1.442E+06 -3.405E+00 1.2
42.6 3.097E+01 1.374E-02 -1.258E+06 3.693E+02 0.2
92.4 4.260E+02 -2.508E-01 4.898E+06 -6.078E+03 9.244E-05 0.3
56.6 -1.930E+01 3.017E-02 -2.533E+06 1.501E+03 0.4
60.6 3.908E+01 8.574E-03 -7.325E+05 2.466E+02 1.7
87.4 1.50147E+03 -1.2146E+00 1.4123E+07 -2.1493E+04 5.690E-04 0.2
243.8 -1.0957E+03 2.7267E-01 -1.0239E+08 3.396E+04 1.0
146.1 2.65911E+03 -2.5215E+00 2.0734E+07 -3.6455E+04 1.3677E-03 0.4
369.1 9.6823E+01 5.2733E-02 5.6413E+07 0.6
188.8 2.7057E+01 1.7584E-02 2.7696E+05 -2.7656E+01 -2.5097E-06 0.04
94.1 7.450E+01 3. 965 E- 02 -2.346E+05 6.3
37.6 6.133E+01 3.568E-02 -1.168E+06 -7.050E+01 -7.318E-06 0.8
26.9 6.653E+01 -6.143E-03 -6.093E+05 -3.592E+02 2.451E-06 0.2
63.2 1.022E+02 1.511E-02 -2.617E+06 0.1
59.7 6.028E+01 3.510E-03 -2.975E+02 0.1
52.8 2.904E+02 -1.442E-01 2.012E+06 -3.787E+03 4.541E-05 0.1
T range T^, A^H0 K K kJ-«ol'
2981800
2981400
2981500
2981652
298 1800
298 950 1.24 950
950 1800
298800
900 1800
298 2500
2982000
2982000
298 2500
298 900
2982000
298 850
OXIDES AND HYDROXIDES 49
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR OXIDE AND HYDROXIDE MINERALS
NAME AND FORMULA
BIXBYITE
HAUSMANNITE
BRAUNITE
MOLYBOITE MoOj
NITROGEN DIOXIDE N02
DISODIUM MONOXIDE Na20
BUN SEN I TE NiO
BUNSENITE NiO
LITHARGE PbO
PLATTNERITE Pb02
MINIUM
SULFUR DIOXIDE S02 (IDEAL GAS)
SULFUR TRIOXIDE $03 (IDEAL GAS)
SILICON MONOXIDE SiO (IDEAL GAS)
QUARTZ Si02
QUARTZ Si02
ENTROPY A1 A2 A3 A4 AS J-mor'-IC1 (T) (T 2) (T"06) (T2)
113.7 1.624E+02 1.211E-02 1.046E+06 -1.317E+03 3.462E-06 0.2
164.1 -7.432E+00 9.487E-02 -6.712E+06 3.396E+03 0.3
416.4 4.301E+02 1.110E-01 -7.325E+06 0.8
77.7 6.433E+00 6.278E-02 -2.460E+06 1.337E+03 0.4
240.1 1.018E+02 -1.121E-02 1.218E+06 -1.300E+03 1.461E-06 0.1
75.3 1.1397E+02 7.4857E-03 -8.1335E+02 0.8
38.0 4.1107E+03 -5.3024E+00 2.43067E+07 -5.3039E+04 3.5206E-03 0.2
67.7 -8.776E+00 4.223E-02 3.607E+06 7.873E+02 -7.526E-06 0.5
66.5 5.102E+01 1.027E-02 -7.387E+05 0.2
71.8 7.312E+01 7.484E-03 -1.261E+06 0.4
212.0 1.779E+02 3.326E-02 -2.926E+06 6.7
248.2 9.890E+01 -1.161E-02 8.465E+05 -1.127E+03 1.788E-06 0.1
256.8 1.478E+02 -1.898E-02 1.079E+06 -1.794E+03 2.763E-06 0.8
211.6 5.686E+01 -5.616E-03 4.922E+05 -5.335E+02 8.5943E-07 0.8
41.5 8.1145E+01 1.828E-02 -1.810E+05 -6.985E+02 5.406E-06 0.1
104.6 5.796E+01 9.330E-03 1.835E+06 0.2
T range T*, A^H0 K K kJ-nol'1
3251400
2981400
298 1500
298 1074 1074
2982500
298 1000
298 519
519 1800
298 1000
2981200
2981800
2982500
298 2500
2982500
298 844
844 1700
50 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR OXIDE AND HYDROXIDE MINERALS
NAME AND FORMULA
CRISTOBALITE Si02
CRISTOBALITE Si02
COESITE Si02
STISHOVITE Si02
SILICA GLASS Si02
CASSITERITE Sn02
STRONTIUM MONOXIDE SrO
THORIANITE Th02
RUTILE
ANATASE
URANINITEuo2
KARELIANITE V2°3
TUNGSTEN DIOXIDE
Z INCITE ZnO
BADDELEYITE
BADDELEYITE ZrOj,
ENTROPY A1 A2 A3 A4 AS J-mol'-IC1 (T) (T 2) <r° 6) (T2)
43.4 -4.160E+03 2.548E+00 -6.286E+07 7.168E+04 0.1
76.3 7.275E+01 1.300E-03 -4.132E+06 1.0
38.5 2.331E+02 -7.777E-02 2.604E+06 -3.375E+03 1.924E-05 1.0
27.8 1.474E+02 -4.027E-02 -2.834E+05 -1.559E+03 1.203E-05 0.4
48.5 7.464E+01 -7.259E-03 -3.114E+06 5.570E-06 1.0
49.0 7.604E+01 7.364E-03 -2.224E+06 0.1
55.5 5.365E+01 5.982E-03 -3.666E+05 -1.019E+02 0.4
65.2 7.138E+01 7.556E-03 -1.053E+06 0.2
50.6 8.462E+01 5.990E-04 -1.101E+06 -2.957E+02 0.2
49.9 4.396E+01 1.374E-02 -2.595E+06 6.294E+02 0.3
77.0 5.845E+01 1.606E-02 -1.867E+06 3.689E+02 0.2
98.1 5.799E+01 4.120E-02 -3.872E+06 1.351E+03 1.3
50.6 6.638E+01 1.326E-02 -1.294E+06 0.3
43.2 4.350E+01 7.658E-03 -7.573E+05 5.456E+01 0.1
50.4 1.073E+02 -5.011E-03 -2.203E+05 -8.141E+02 0.3
167.1 7.448E+01 1.5
T range T^, A^H' K K kJ'Ml'1
298 523
523 1800
298 1800
298 1800
2981700
2981500
298 2500
2981200
298 2100
298 1300
2981800
2981800
298 2500
298 1800
298 1478 8.08 1478
1478 2000
MULTIPLE OXIDES 51
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR MULTIPLE OXIDE MINERALS
NAME AND FORMULA
TIALITE
CHRYSOBERYL
CALCIUM FERRITE CaFe204
D I CALCIUM FERRITE
PEROVSKITECaTiO
3
HERCYNITE FeAl 204
CHROMITE FeCr204
ILMENITE FeTiOj
ULVOSPINEL Fe2Ti04
PSEUDOBROOKITE Fe2Ti05
SPINELMgAl 2o4
MAGNESIOCHROMITE MgCr204
MAGNESIOFERRITE MgFe204
MAGNESIOFERRITE MgFe204
GEIKIELITE MgTiOj
PYROPHANITE MnTiOj
ENTROPY A1 A2 A3 A4 AS J-aor'-IC1 (T) <T'2) (T"06) (T2)
109.6 2.111E+02 1.461E-02 -3.625E+06 -6.610E+02 0.8
66.3 3.627E+02 -8.353E-02 -6.798E+04 -4.034E+03 2.248E-05 0.1
145.4 9.588E+01 4.666E-02 -3.360E+06 1.410E+03 0.8
188.8 2.223E+02 9.728E-03 -5.661E+06 5.420E+02 1.3
93.6 1.250E+01 4.516E-02 -6.302E+06 2.462E+03 0.4
116.0 2.247E+02 4.480E-03 -1.581E+06 -1.370E+03 3.0
146.0 3.018E+02 -4.157E-02 4.877E+05 -2.803E+03 1.147E-05 1.7
108.9 2.627E+02 -7.999E-02 3.827E+05 -2.538E+03 3.388E-05 0.3
168.9 -1.026E+02 1.425E-01 -9.145E+06 5.271E+03 2.5
156.5 2.136E+02 1.625E-02 -2.3A5E+06 -4.795E+02 1.3
84.5 2.229E+02 6.127E-03 -1.686E+06 -1.551E+03 0.04
106.0 1.961E+02 5.398E-03 -3.126E+06 -6.169E+02 0.8
123.8 1.782E+02 1.275E-02 0.8
379.2 1.066E+02 5.716E-02 3.0
74.6 2.225E+02 -5.274E-02 - 6. 092 E +05 -1.8746E+03 1.878E-05 0.2
104.9 1.217E+02 9.288E-03 -2.188E+06 0.3
T range T^ A^M0 K K kJ-«ol 1
298 1800
298 1800
298 1510
298 1750
298 1530
2981200
298 1800
298 1000
298 1800
298 1800
298 1800
298 1800
665 1230
1230 1800
2981800
2981600
52 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COEFFICIENTS FOR NEAT CAPACITY EQUATIONS FOR MULTIPLE OXIDE MINERALS
NAME AND FORMULA ENTROPY A1 A2 A3 A4 AS T range TM A^N0j-aoi-'-ir1 (T> <r2> <r° 6> <T2> K ic kj-aor1
TREVORITE 165.0 9.559E+01 1.705E-01 3.9927E+04 2983.0 1000
FRANKLINITE 150.7 1.995E+02 3.045E-02 -1.352E+06 298ZnFe204 0.3 600
ZINC TITANIUM SPINEL 143.1 2.613E+02 -5.138E-03 -4.317E+05 -2.095E+03 298Zn2Ti04 0.3 1800
HALIDES 53
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR HALIDE MINERALS
NAME AND FORMULA
BROMARGYRITE AgBr
POTASSIUM BROMIDE KBr
CHLORARGYRITE AgCl
HYDROPHILITE CaCl2
HYDROPHILITE CaCl2 (liquid)
LAURENCITE FeCl2
MOLYSITE FeCl3
HYDROGEN CHLORIDE HCl (ideal gas)
SYLVITE KCl
CHLOROMAGNESITE MgCl2
SCACCHITE MnCl2
SALAMMONIAC NH4Cl
HALITE NaCl
HALITE NaCl (liquid)
NICKELOUS CHLORIDE NiCl2
COTUNNITE PbCU
ENTROPY A1 A2 A3 A4 AS J-Bol'-IC1 (T) (T 2) (T* 6) <TZ)
107.1 3.317E+01 6.443E-02 0.4
95.9 -4.392E+01 5.855E-02 -1.839E+06 1.717E+03 0.2
96.2 5.996E+01 7.620E-03 -1.017E+06 0.2
104.6 -4.725E+00 4.504E-02 -2.037E+06 1.5036*03 1.3
230.2 1.025E+02 5.0
118.0 -1.123E+02 8.951E-02 -5.115E+06 3.790E+03 0.4
142.3 -2.56E+02 1.1755E+00 7.89E+06 -9.738E-04 0.4
186.9 1.738E+01 1.165E-02 -7.597E+03 1.477E+02 -2.052E-06 0.03
82.6 -2.452E+01 4.852E-02 -1.605E+06 1.371E+03 0.2
89.6 7.690E+01 8.496E-03 - 7. 463 E +05 0.8
118.2 7.626E+01 1.191E-02 -6.048E+05 0.2
95.0 8.410E+01 0.4
72.1 4.515E+01 1.797E-02 0.2
170.3 7.2008E+01 -3.2228E-03 2.2
97.7 -5.078E+01 5.748E-02 -4.064E+06 2.608E+03 0.2
136.0 1 .229E+02 -8.585E+02 2.1
T range T,., A...H0 K K kJ-wol'1
298 703
2981000
298 728
298 1045 28.54 1045
1045 1800
298 950
298 577
298 2500
2981043
298 987
298 923
298
2981074
1074 1791
2981303
298 768
54 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR HALIDE MINERALS
NAME AND FORMULA
FLUOR I TE CaF2
HYDROGEN FLUOR IDE HF (ideal gas)
SELLAITE MgF2
VILLIAUMITE NaF
CRYOLITE
CRYOLITE
CRYOLITE
CHIOLITE
IODARGYRITEAgl
MARSHITE Cul
ENTROPY A1 A2 A3 A4 AS J-mol-'-r1 (T) (T 2) (T-06) (T2)
68.9 2.033E+03 -1.436E+00 2.988E+07 -3.312E+04 5.040E-04 0.3
173.8 6.845E+00 1.301E-02 -4.108E+05 4.007E+02 -1.911E-06 0.04
57.3 9.474E+01 1.595E-04 -7.328E+05 -4.322E+02 0.4
51.5 -2.612E+00 3.347E-02 -1.402E+06 9.542E+02 0.1
238.5 4.04227E+03 -3.8582E+00 3.4071E+07 -5.5876E+04 2.004E-03 0.5
512.4 2.3669E+02 4.7986E-02 2.5
605.5 3.0041E+02 2.5
515.3 5.099E+02 8.768E-02 -7.301E+06 0.8
115.5 2.4351E+01 1.0083E-02 1.7
96.6 -1.6941E+03 1.0046E+00 -2.8543E+07 3.0558E+04 0.5
T range K
298 1400
298 2500
2981536
2981269
298 836
8361153
1153 1290
2981010
298 423
298 643
K kJ-nol'1
1536 58.16
1269 33.14
836 8.20
1153 1.8
1290 113.75
1010 80.83
CARBONATES AND NITRATES 55
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR CARBONATE AND NITRATE MINERALS
NAME AND FORMULA
WITHER I TE BaCO;
ARAGONITE CaCOj
CALCITE CaCC^
DOLOMITE
SIDERITE FeCOj
MAGNESITE MgCOj
RHOOOCHROSITE MnCOj
THERMONATRITE
DAUSONITE NaAlC03(OH)2
STRONTIANITE SrCOj
SMITHSONITE ZnCOj
NITROBARITE
CALCIUM NITRATE Ca(N03)2
MAGNESIUM NITRATE
SODA NITER NaNOj
STRONTIUM NITRATE Sr(NO,),
ENTROPY A1 A2 A3 A4 AS J-niol'-lf1 (T) (T 2) (T*6) (T2)
112.1 -9.936E+01 1.258E-01 -6.274E+06 3.760E+03 2.1
88.0 8.153E+01 4.567E-02 -1.141E+06 0.2
91.7 9.972E+01 2.692E-02 -2.158E+06 0.2
155.2 5.479E+02 -1.676E-01 2.840E+06 -6.548E+03 7.708E-05 0.3
95.5 2.574E+02 -4.620E-02 1.523E+06 - 3. 082 E +03 0.2
65.1 8.112E+01 5.225E-02 -1.832E+06 0.1
98.0 1.497E+02 1.876E-02 1.417E+05 -1.3142E+03 0.1
168.1 7.240E+01 2.607E-01 -1.258E+05 0.8
132.0 3.441E+01 3.347E-04 7.464E+02 0.5
97.1 -1.618E+02 1.2795E-01 -9.018E+06 5.294E+03 1.7
81.2 1.4838E+02 2. 835 E- 02 4.796E+05 -1.419E+03 0.2
213.8 1.255E+02 1.497E-01 -1.670E+06 0.8
193.3 7.815E+01 1.734E-01 -2.778E+06 8.722E+02 0.4
164.0 5.8417E+01 2.7292E-01 1.8949E+05 0.8
116.5 2.570E+01 2.237E-01 1.161E+01 0.7
194.6 1.3389E+03 -3.79E-01 2.5757E+07 -2.3582E+04 0.5
T ranee T^ A^H* K K kJ-mol 1
298 1079
298 1000
298 1200
298 1100
298 600
298 1000
298 600
298 380
298 500
298 1197 18.82 1197
298 1200
298 800
298 800
298 600
298549
298900
56 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR SULFATE AND PHOSPHATE MINERALS
NAME AND FORMULA
ALUMINUM SULFATE A12(S04)3
BARITE BaS04
ANHYDRITE CaS04
CHALCOCYANITE CuS04
FERRIC SULFATE Fe2(S04)3
ARCANITE
ARCANITE
K-Al SULFATE KAl(S04)2
ALUNITE KA13(OH)6(S04 )2
LANGBEINITE
MAGNESIUM SULFATE MgS04
MANGANOUS SULFATE MnS04
NASCAGNITE (NH4 )2S04
THENARDITE Na2S04 (hexagonal)
THENARDITE Na2S04 (liquid)
NICKELOUS SULFATE NiSO,
ENTROPY A1 A2 A3 A4 AS J-mol-'-lf1 (T) (T 2 ) (r° B) (T2)
239.3 7.877E+02 -9.899E-02 -8.615E+03 1.2
132.2 1.412E+02 -3.507E+06 0.8
107.4 3.728E+02 -1.574E-01 1.695E+06 -4.3308E+03 7.99E-05 0.2
109.5 1.615E+02 4.796E-02 -3.192E+06 0.6
282.8 2.553E+02 2.269E-01 -4.260E+06 0.8
175.6 1.2037E+02 9.958E-02 -1.782E+06 0.4
360.9 -8.445E+02 6.845E-01 3.499E+08 1.0
204.6 2.370E+02 7.828E-02 -5.988E+06 1.3
321.0 5.145E+03 1.1375E-01 -1.5635E+07 5.0
389.3 5.359E+02 1.101E-01 -1.020E+06 -4.040E+03 -4.909E-05 0.8
91.4 1.056E+02 4.717E-02 -2.129E+06 0.8
127.0 1.203E+02 3.999E-02 -2.818E+06 2.0
220.5 1.0436E+02 2.788E-01 1.3
239.7 1.2193E+02 8.141E-02 1.0
424.6 2.011E+02 -3.941E-03 2.0
101.3 1.240E+02 3.062E-02 -3.150E+06 0.2
T range TU, A^H*
298 1100
298 1300
298 1000
298 1200
298 800
298 856
8561342
298 1000
298700
298 1000
298 1400
298 1000
298 600
514 1155
1155 1800
298 1200
SULFATES AND PHOSPHATES 57
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR SULFATE AND PHOSPHATE MINERALS
NAME AND FORMULA
ANGLE SITE PbS04
ZINKOSITE ZnS04
BERLINITE AlP04
UHITLOCKITE
FLUORAPATITE Ca5(P04)3(F)
HYDROXYAPATITE Cas(P04)3(OH)
ENTROPY
148.5 0.6
110.5 1.3
90.8 0.2
236.0 0.8
387.9 1.7
390.4 1.7
A1 A2 A3 A4 (T) (T 2) <r° 6>
4.683E+01 1.278E-01 1.724E+06
4.019E+01 1.243E-01 2.389E+06
1.9833E+03 -1.64948E+00 2.0607E+07 -2.93193E+04
1.929E+02 1.742E-01 -1.174E+06
7.543E+02 -3.026E-02 - 9. 084 E +05 -6.201E+03
3.878E+02 1.186E-01 -1.270E+07 1.811E+03
AS T range T^ A^H0 (T2) K K kJ-aol'1
298 1100
298 1100
7.72E-04 298 830
298 1373
298 1600
298 1500
58 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR ORTNO AND RING STRUCTURE SILICATE MINERALS
NAME AND FORMULA
TOPAZ Al2Si04F2
KYANITE Al2Si05
ANDALUSITE Al2Si05
SILLIMANITE Al2Si05
MULLITE Al6Si2°13
DUMORTIERITE
PHENAKITE Be2Si04
BERYL
BERTRANDITE Be4Si207(OH)2
EUCLASE BeAlSi04(OH)
EPIDOTE
LAWSONITE CaAl2Si207(OH)2H20
GEHLENITE Ca2Al2Si07
ZOISITE
GROSSULAR
GLASS Ca3M2Si3°12
ENTROPY A1 A2 A3 A4 AS J-Bor'-IT1 (T) <T 2> <r° 6> <T2)
105.4 4.714E+02 -8.165E-02 1.270E+06 -5.486E+03 0.2
82.8 2.794E+02 -7.124E-03 -2.056E+06 -2.289E+03 0.5
91.4 2.77306E+02 -6.588E-03 -1.9141E+06 -2.2656E+03 0.1
95.4 2.8019E+02 -6.900E-03 -1.376E+06 -2.399E+03 0.6
275.0 7.546E+02 -2.943E-02 -3.454E+06 -6.576E+03 5.0
334.9 1.43871E+03 -2.427E-01 3.860E+06 -1.682E+04 4. 884 E- 05 )H) .75 5>0
63.4 4.2849E+02 -9.958E-02 2.083E+06 -5.6705E+03 1.989E-05 0.3
346.7 1.625E+03 -4.252E-01 6. 825 E +06 -2.018E+04 1.203E-04 4.7
172.1 8.253E+02 -9.965E-02 3.662E+06 -1.057E+04 0.8
89.1 5.329E+02 -1.507E-01 2.198E+06 -6.726E+03 4.122E-05 0.4
328.9 3.676E+02 2.5
230.0 2.7732E+02 2.341E-01 -6.389E+06 0.4
210.1 4.057E+02 -7.099E-03 -1.188E+06 -3.174E+03 0.6
295.9 1.134E+03 -4.523E-01 -1.157E+04 2.391E-04 0.3
260.1 1.5293E+03 -6.990E-01 7.443E+06 -1.894E+04 2.530E-04 0.5
329.9+ 3.392E+02 0.7
T range T,., A^N' K K kJ-mol 1
298 1000
298 2000
298 2000
298 2000
298 1800
298 1800
298 1800
2981800
298 1400
298 1800
298
298 600
298 1800
298750
298 1200
298
ORTHO AND RING STRUCTURE SILICATES 59
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR ORTHO AND RING STRUCTURE SILICATE MINERALS
NAME AND FORMULA
DATOLITE CaB(Si04)(OH)
ILVAITE CaFejCSi^OCOH)
ANDRADITE
MONT I CELL I TE CaMgSi04
AKERMANITE Ca^gSi^
MERUINITE Ca3Mg(Si04 )2
TITANITE (Sphene) CaTiSiOj
LARNITE a-Ca2Si04
BREDIGITE a'-Ca2Si04
CALCIO-OLIVINE Y~Ca2Si04
HATURITE (ALITE) CajSiOj
RANKINITE Ca3Si 207
ROSENHAHNITE Ca3Si3°8(OH>2
SPURRITE Cas(Si04)2C03
TILLEYITE Ca5Si207(C03)2
COBALT-OLIVINE Co2Si04
ENTROPY A1 A2 A3 A4 A5 J'Bor'-lf' (T) (T 2) <r° 6> (T2)
110.2 1.9446E+02 1.8447E-01 4.0191E+05 -2.0305E+03 -1.01E-04 0.6
292.3 8.569E+03 -5.2407E+00 9.6449E+07 -1.3456E+05 0.6
316.4 8.092E+02 -7.025E-02 -6.789E+05 -7.403E+03 2.0
108.1 2.314E+02 -8.531E-04 -1.247E+06 -1.623E+03 -1.333E-06 0.3
212.5 7.8146E+01 1.6573E-01 -6.7905E+06 2.8646E+03 -3.3437E-05 0.4
253.1 6.508E+02 -1.816E-01 -6.053E+03 7.036E-05 2.1
129.2 1.767E+02 2.385E-02 -3.991E+06 0.8
127.6 2.487E+02 -8.315E-04 -9.077E+04 -2.052E+03 0.8
314.2 1.3456E+02 4.611E-02 1.0
120.5 1.327E+02 5.251E-02 -1.905E+06 0.8
168.6 3.339E+02 -4.651E-03 -6.526E-KK -2.766E+03 0.3
210.6 4.732E+02 -4.207E-02 3.397E+05 -4.319E+03 2.9
281.8 3.650E+02 5.419E-02 -8.161E+06 3.0
331.0 6.141E+02 -3.508E-03 -2.493E+06 -4.168E+03 2.0
394.0 7.417E+02 -5.345E-03 -1.435E+06 -5.879E+03 4.0
142.6 3.0583E+02 -3.195E-02 2.693E+05 -2.865E+03 0.2
T range T^, A^H0 1C K kJ-mol 1
298 1000
290 376
298 1000
2981000
298 357.9 0.68 1731
2981600
298 1670
298970
970 1710
298 1200
2981800
298 1400
2981800
2981300
298 1200
2981100
60 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR ORTHO AND RING STRUCTURE SILICATE MINERALS
NAME AND FORMULA
FAYALITE Fe2Si04
ALMANDINE
STAUROLITE
Fe4Al 18Si8046(OH)2
OSUMILITE
CORDIERITE
FORSTERITE
Mg2Si04
PYROPE Mg3Al2Si3o12
GLASS
GLASS
Mg3Al2Sl* 3012
ENTROPY A1 A2 A3 A4 AS
J-mol-'-IT1 (T) (T 2) (T^ 6) (T2)
151.0 1.7602E+02 -8.8086-03 -3.889E+06 2.471E-05 0.2
342.6 8.629E+02 -8.288E-02 1.697E+06 -8.875E+03 1.4
985.0 2.7986+03 7.921E-02 -9.952E+06 -2.474E+04 4.0
5.842E+02 1.2766+00 -3.967E+06 -1.556E+03 -6.497E-04 0
407.2 8.123E+02 4.334E-02 -8.211E+06 -5.000E+03 3.8
94.1 8.7366+01 8.717E-02 -3.699E+06 8.4366+02 -2.237E-05 0.1
266.3 8.730E+02 -1.374E-01 4.500E+03 -8.794E+03 3.341E-05 0.8
346.3 5.1386+02 7.119E-02 -5.857E+05 -2.439E+03 12.0
6. 3006+02 3.50E-02
T range T^ A^H* 1C K kJ-mol'1
298 1490 1490
298 1200
298 1000
298 1000
298 1700
2981800
298 1570 241.0 1570
2981020
1083 1863
PYROPE-GROSSULAR ss
GLASS
(Mg, 5Ca1>5 )Al2Si3012
TEPHROITE
LIEBENBERGITE
Ni2Si04
Ni 2Si04-SPINEL Ni 2Si04
UILLEMITE Zn2Si04
ZIRCON
268.3+ 3.2806+02 0.5
311.8+ 3.329E+02 0.6
155.9 2.613E+02 -1.3786-02 0.5
-2.218E+03
ZrSiO4
128.1 2.897E+02 -2.402E-02 1.310E+05 -2.779E+03 0.2
124.1 1.654E+02 1.412E-02 -4.345E+06 0.4
131.4 1.233E+02 0.8
84.0 2.370E+02 -1.788E-02 -1.496E+05 -2.268E+03 1.3
298
298
2981600
2981300
350800
298
2981600
CHAIN AND BAND STRUCTURE SILICATES 61
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR CHAIN STRUCTURE SILICATE MINERALS
NAME AND FORMULA
UOLLASTONITE CaSiOj
PSEUDOUOLLASTONITE CaSiOj
GLASS CaSiOj
Ca-Al PYROXENE CaAl2Si06
GLASS CaAl2Si06
FERROBUSTAMITE CaFeSigOg
HEDENBERGITE CaFeSi2Og
GLASS CaFeSi206
DIOPSIDE CaMgSi206
GLASS CaMgSi^
FERROSILITE FeSiOj
a-SPODUMENE LiAlSi206
B-SPODUMENE LiAlSi206
ENSTATITE MgSiOj
GLASS MgSiOj
CLINOENSTATITE MgSiOj
ENTROPY A1 A2 A3 A4 AS J-aor'-lf1 (T) (T 2) <r° 6> (T2)
81.7 2.0078E+02 -2.589E-02 -1.579E+05 -1.826E+03 7.434E-06 0.1
87.2 1.578E+02 -1.045E-03 -6.396E+05 -1.077E+03 0.9
94.8 9.689E+01 3. 425 E- 02 -1.804E+06 3.0
141.0 4.652E+02 -7.838E-02 6.729E+05 -4.941E+03 1.934E-05 2.0
155.3 1.661E+02 0.3
180.5 4.038E+02 -4.444E-02 -3.757E+03 1.597E-05 0.3
174.2 3.1046E+02 1.257E-02 -1.846E+06 -2.040E+03 0.3
185.7+ 1.732E+02 0.4
142.7 4.7025E+02 -9.864E-02 2.454E+05 -4.823E+03 2.813E-05 0.3
166.0 1.041E+03 -6.358E-01 6.677E+06 -1.351E+04 2.724E-04 3.0
94.6 1.243E+02 1.454E-02 -3.3786+06 0.3
129.3 4.212E+02 -2.401E-02 1.910E+06 -4.776E+03 0.8
154.4 3.628E+02 -3.684E-03 - 3. 435 E +03 1.2
66.3 3.507E+02 -1.472E-01 1.769E+06 -4.296E+03 5.826E-05 0.1
74.1 8.205E+01 0.2
67.9 2.056E+02 -1.280E-02 1.193E+06 -2.298E+03 0.4
T range 1C
2981400
2981821
298 1821
298 1000
298
298 1600
298 1300
298
2981700
2981400
298 800
298 1200
298 1700
298 1000
298
298 1600
T«, A^N" 1C kJ-nol'1
1398 5.93
1821 . 57.30
1668 137.70
1834 73.20
62 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR CHAIN STRUCTURE SILICATE MINERALS
NAME AND FORMULA
MgSi03-ILMEMITE MgSiOj
HYPERSTHENE(Hg.85Fe.15 )Si°3
RHODONITEMnSiOj
JADEITENaAlSi206
GLASSNaAlSi 206
ACMITENaFeSi 206
TREMOLITECa2Mg5Si8022(OH)2
GRUNERITEFe7Si8022(OH)2
ANTHOPHILLITEMg7Si8022(OH)2
RIEBECKITENa2Fe3Fe2Si8022(OH)2
GLAUCOPHANENa,Mg,Al,SiftO,3<OH>,
ENTROPY A1 A2 A3 A4 AS j-nor'-lf' (T) (T 2) (T^ 6) (T2)
60.4 6.912E+01 7.330E-02 1.037E+06 3.0
69.0+ 2.079E+02 -1.489E-02 1.921E+05 -2.135E+030.2
100.5 9.904E+01 1.915E-02 -3.041E+06 2.745E+021.0
133.5 3.011E+02 1.014E-02 -2.239E+06 - 2. 05 5 E +031.3
170.5 1.663E+020.4
170.6 1.994E+02 6.197E-02 -4.267E+060.8
548.9 6.131E+03 -4.189E+00 5.139E+07 -8.566E+04 1.757E-031.3
725.0 7.555E+02 3.620E-01 -1.621E+077.0
534.5 1.260E+03 1.888E-02 -1.164E+07 -8.127E+033.5
691.0 7.721E+02 2.827E-01 -1.598E+076.0
541.2 1.718E+03 -1.21 IE-01 7.075E+06 -1.927E+043.0
T range T^, A^H0 1C K kJ-mol 1
298700
2981000
2981500
2981300
298
2981300
2981100
298900
2981200
2981000
2981200
FRAMEWORK SRUCTURE SILICATES 63
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR FRAMEWORK STRUCTURE SILICATE MINERALS
NAME AND FORMULA
EDINGTONITE (ordered)
ANORTHITE
CaAl2Si' 2Og-glass
BICCHULITE
MEIONITE (ordered)
DAN BUR I TE CaB2Si 2°8
POLLUCITE (Cs 65Na 19Rb 03)Al2Si
MICROCLINE KAlSi308
SANIDINE KAlSi 308
GLASS KAlSijOg
KALIOPHILLITE KAlSi04
LEUCITE KAlSi 206
LEUCITE KAlSi^
EUCRYPTITE LiAlSi04
PETAL I TE LiAlSi401Q
ALBITE NaAlSijOg
ENTROPY A1 A2 A3 A4 AS J-niol'-lf1 (T) (T 2) (T* 6) (T2)
434.8 4.220E+02 1.5
199.3 5.168E+02 -9.249E-02 -1.408E+06 -4.589E+03 4.188E-05 0.3
237.3 3.752E+02 3.197E-02 -2.815E+06 -2.459E+03 2.5
213.1 2.803E+02 8.204E-02 -5.679E+06 5.0
715.2 9.103E+02 1.9435E-01 -2.300E+07 1.0
155.3 1.488E+02 2.173E-01 -3.280E+06 0.4
207.2 1.128E+02 1.876E-01 4.556E+05 4°12' H2° °' 4
214.2 7.595E+02 -2.171E-01 4.746E+06 -9.527E+03 6.433E-05 0.4
232.8 6.934E+02 -1.717E-01 3.462E+06 -8.305E+03 4.919E-05 0.5
261.6 6.295E+02 -1.084E-01 2.496E+06 -7.210E+03 -1.928E-05 1.8
133.3 1.889E+02 5.519E-02 -1.479E+03 1.2
200.2 1.4842E+02 1.343E-01 -2.165E+06 1.7
450.1 1.9647E+02 2.7666E-02 1.2261E+07 2.0
103.8 2.470E+02 -1.290E+06 -2.058E+03 0.8
233.2 8.763E+02 -2.079E-01 4.033E+06 -1.069E+04 5.301E-05 0.6
207.4 5.839E+02 -9.285E-02 1.678E+06 -6.424E+03 2.272E-05 0.4
T range T^ 1C K
298
2981800
298 1830 1500
2981800
2981000
2981000
298700
2981400
298 1500 1400
2981300
298 810 810
298955
955 1800
2981300
2981300
298 1400
r,
133.0 4.0
54.0
0.5
64 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR FRAMEWORK STRUCTURE SILICATE MINERALS
NAME AND FORMULA
ANALBITE NaAlSijOg
GLASS NaAlSijOg
NEPHELINE NaAlSi04
NEPHELINE NaAlSi04
NEPHELINE NaAlSi04
CARNEGIEITE NaAlSi04
CARNEGIEITE NaAlSi04
GLASS NaAlSi04
NEPHELINE <Ma.78K.22>AlSi°4
ANALCIME NaAlSi 206 'H20
DEHYDRATED ANALCIME NaAlSi,0A
ENTROPY A1 A2 A3 A4 AS J-Bor'-lf1 (T) <r2) <T"° 6> <T2)
225.6 6.714E+02 -1.467E-01 3.174E+06 -7.974E+03 3.659E-05 0.4
251.9 9.180E+02 -3.824E-01 5.280E+06 -1.151E+04 1.474E-04 1.5
124.4 2.774E+01 2.954E-01 1.3
1.1209E+02 6.71 IE-02
338.3 1.720E+02 5.520E-03 2.0
118.7 1.1613E+02 8.595E-02 -2.000E+06 0.3
311.1 1.5232E+02 2.883E-02 1.5
134.5 3.171E+02 -4.320E-02 4.163E+05 -3.244E+03 0.5
1.121E+02 6.711E-02
227.7 1.3438E+02 2.5415E-01 1.845E+05 0.3
172.5 1.9211E+02 8. 0735 E- 02 - 4. 723 E +06 0.2
T range T^ A..H8 K 1C kJ-nol'1
298 1393 64.5 1400
2981200
298457
457 1180
1180 1525
273 966 8.5 966
966 1700
272 1033
467 1180
298700
2981000
SHEET STRUCTURE SILICATES 65
COEFFICIENTS FOR NEAT CAPACITY EQUATIONS FOR SHEET STRUCTURE SILICATES
NAME AND FORMULA ENTROPY A1 A2 A3 (T 2)
A4 (T^06)
AS (Ta)
T range
KT,., K kJ-M>r
DICKITE
Al2Si 205(ON)4
KAOLINITE
Al2Si2°5(OH>4
HALLOTSITE
A12S1*2°5(OH>4
PYROPHYLLITE
Al2Si4010(OH)2
ILLITE
K3(Al7Mg)(Al2Si 14)040(OH)8
MARGARITE CaAl 2 [Al 2Si201Q](OH)2
PREHNITE
MUSCOVITE (disordered) KAl2 [AlSi3010l(OH)2
MUSCOVITE (ordered) KAl2 [AlSi3010HOH)2
ANNITE KFe3 [AlSi301Q](OH)2
PHLOGOPITE (disordered) KMg3 [AlSi3010](OH)2
PHLOGOPITE (ordered) KMg3 CAlSi3010](OH)2
197.11.3
200.40.5
203.01.3
239.40.4
1104.22.5
263.60.3
292.80.7
306.40.6
287.70.6
415.010.0
334.61.0
315.91.0
9.084E+02 -2.113E-01 3.804E+06 -1.120E+04
1.4303E+03 -7.885E-01 8.334E+06 -1.852E+04 3.034E-04
2.463E+02
7.468E+02 -5.345E-02
1.291E+03
8.265E+02 -5.040E-01
-7.578E+03 1.986E-05
-8.7274E+03
FLUORPHLOGOPITE (disordered) 336.3
KMg3 [AlSi301Q]F2 2.1
FLUORPHLOGOPITE (ordered) 317.6
2.1
260.8
0.6
221.3
0.8
TALC
M93Si4°10(OH>2
CHRYSOTILE
Mg3Si205(OH)4
9.460E+02 -1.1506E-01 2.755E+06 -1.056E+04
9.177E+02 -8.111E-02 2.834E+06 -1.035E+04
9.177E+02 -8.111E-02 2.834E+06 -1.035E+04
6.366Ef02 8.208E-02 -4.860E+06 -3.731Ef03
8.639E+02 -7.6076E-02 3.5206E+05 -8.470E+03
8.639E+02 -7.6076E-02 3.5206E+05 -8.470E+03
4.9288E+02 4.910E-02 -6.599E+06 -1.569E+03
4.9288E+02 4.910E-02 -6.599E+06 -1.569E+03
5.654E+03 -5.272E+00 4.021E+07 -7.693E+04 2.729E-03
8.996E+02 -1.448E-01 4.500E+06 -1.093E+04
298
1000
298
800
298
298
800
298
298
1200
2981200
2981000
2981000
2981000
2981000
2981000
2981670
2981670
298800
298900
66 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COEFFICIENTS FOR HEAT CAPACITY EQUATIONS FOR SHEET STRUCTURE SILICATES
NAME AND FORMULA ENTROPY A1 A2 A3 A4 AS T range tmJ-iiol-'-ir1 (T) (T 2) (t06) (T2) 1C K
CLINOCHLORE 421.0 9.47951E+03 -7.8834E+00 8.31194E+07 -1.3594E+05 3.6206E-03 298Mg5Al(AlSi3010)(OH)8 15.0 800
PARAGON I TE (disordered) 295.8 6.6844E+02 3.627E-02 -1.860E-K)6 -5.816E-»-03 298MaAl2 [AlSi3010](OH)2 0.9 800
PARAGON I TE (ordered) 277.1 6. 6844 E +02 3.627E-02 -1.860E+06 -5.816E+03 298NaAl2 [AlSi3010](OH)2 0.9 800
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 67
Thermodynamic Properties at High Temperature of Individual Phases
SILVER (REFERENCE STATE) Formula wt 107.868
Ag: Face-centered cubic crystals 298.15 to melting point 1234.9 K; liquid 1234.9 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.153004005006007008009001000110012001234.91234.9130014001500160017001800
Melting T
AtaH*
CP
25.4025.4125.8726.3326.8827.5228.2429.0329.8630.7331.6431.9633.4733.4733.4733.4733.4733.4733.47
1234.
11.94
ST
42.5542.7150.0855.9060.7564.9468.6672.0375.1478.0280.7381.7390.8892.5295.0097.3199.47101.50103.41
9 K
kJ
<HT-H$98)/T
J-mol'^K"1 -
0.000.166.53
10.4413.1415.1416.7318.0619.1920.2021.1221.4130.5730.7130.9131.0831.2331.3631.48
-(GT-H|98)/T
42.5542.5543.5545.4647.6249.8051.9353.9855.9457.8259.6260.3260.3161.8164.0966.2368.2470.1471.93
A£H°
-1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
A^H°
Molar VolUO UO C *t A C 1» T298 0 /4d KJ
AfG°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
. 110
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
kJ
.0272 J-bar'1
.272 cm3
6/18/92
68 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ALUMINUM (REFERENCE STATE) Formula wt 26.982
Al: Face-centered cubic crystals 298.15 to melting point 933.5 K. Liquid 933.5 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900933.5933.5
100011001200130014001500160017001800
Melting T
AtoH°
H298~H6
CP
24.2124.2525.7626.8427.9029.1230.5732.3032.9631.7531.7531.7531.7531.7531.7531.7531.7531.7531.75
933.
10.71
ffOST
28.3028.4535.6541.5246.5050.8954.8758.5759.7471.2173.4076.4379.1981.7384.0886.2788.3290.2592.06
5 K
kJ
(HT-H$98)/T
--1 -1
0.000.156.38
10.3713.2015.3817.1918.7719.2630.7330.8130.8930.9631.0031.0831.1231.1631.1931.23
-(Gf-H298)/T
28.3028.3029.2731.1533.3135.5137.6939.8040.4840.4842.5945.5448.2350.7353.0055.1557.1659.0660.83
AfH°
kJ«mol""*
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
A^H°
Molar Vol.4.565 kJ
AfG°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
09
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
kJ
.9999 J-bar'1
.999 cm3
4/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 69
ARSENIC (REFERENCE STATE) Formula wt 74.922
As: Rhombohedral crystals 298.15 to sublimation point 875 K. 1800 K.
Ideal tetratomic gas 875 to
Temp.
298.15300400500600700800875875900100011001200
CP ST
FORMATION FROM THE ELEMENTS
(H$-H2gg)/T -(6T-H^98 )/T AfH° AfG° Log Kf
T.__ .1 ~l-«r l 1.T- .1 "I
24.6524.6725.3825.9626.5127.0527.6028.0320.6020.6120.6420.6720.69
35.6935.8443.0448.7753.5557.6861.3363.82103.62104.14106.31108.28110.08
0.000.156.37
10.2312.9014.8816.4317.3157.1156.1452.5949.6847.26
35.6935.6936.6638.5440.6542.8044.8946.5146.5148.0053.7258.5962.81
0.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T
kJ
5.130 kJ
Boiling T
Molar Vol.
875 K
34.828 kJ
1.2963 J-bar'1
12.963 cm3
6/10/92
70 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
GOLD (REFERENCE STATE) Formula wt 196.967
Au: Face-centered cubic crystals 298.15 to melting point 1336.15 K.
Temp.
298.15300400500600700800900
10001100120013001336.151336.1514001500160017001800
CP CO /UO_CTO V /(It _//iO_tTQ \ It*om \**T *»298'' \**T 298''
FORMATION FROM THE ELEMENTS
A£H° AfG° Log Kf
1.Y.«.~.1 ~1
25.1825.1925.8826.2626.5726.9127.3627.9328.6729.5730.6631.9532.4733.5432.7531.4930.8130.8130.81
47.4947.6555.0060.8265.6369.7673.3876.6379.6182.3885.0087.5188.5597.9499.34
101.54103.54105.39107.15
0.000.166.51
10.4313.0915.0416.5517.7818.8319.7720.6321.4521.8031.2031.2331.2831.2531.2131.19
47.4947.4948.4950.3952.5454.7156.8358.8560.7862.6264.3766.0666.7466.7468.1170.2672.2974.1875.96
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T
H2*98~H6
1336.15 K
12.55 kJ
6.017 kJ
Boiling T
Molar Vol.
K
kJ
1.0215 J'bar'1
10.215 cm3
01/07/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 71
BORON (REFERENCE STATE) Formula wt 10.811
B: Rhombohedral crystals 298.15 to melting point 2350 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200130014001500160017001800
°p
11.3211.4215.8418.6920.6922.1823.3324.2525.0125.6626.2126.7127.1627.5727.9628.3328.69
COST
5.835.909.8413.7117.3020.6123.6526.4529.0531.4633.7235.8337.8339.7241.5143.2244.85
(Hf-H298)/T
J-mol^-K"1 -
0.000.073.516.288.5210.3711.9213.2414.3815.3816.2617.0417.7518.3918.9819.5220.02
-<GT-H298)/T
5.835.836.347.438.7810.2411.7213.2114.6616.0817.4618.7920.0821.3322.5323.7024.83
AfH°
kJ-mol"1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
AfG-
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T
H2*98~H6
2350 K
22.55 kJ
1.22 kJ
Boiling T
Molar Vol
K
kJ
0.4386 J-bar'1
4.386 cm3
6/10/93
72 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
BARIUM (REFERENCE STATE) Formula wt 137.327
Ba: a-crystals (body-centered cubic) 298.15 to lambda-anomaly in heat capacity at 582 K. p-crystals 582 to second-order lambda-anomaly in heat capacity at 768.13 K. y-cryatals 768.13 to melting point 1002 K. Liquid 1002 to boiling point 2169 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500582582600700768768800900
10001002100211001200130014001500160017001800
CP
28.0928.1433.2343.7454.4332.4733.9442.3648.1039.0739.0739.0739.0739.0740.6240.3740.1239.8639.6139.3639.1038.8538.60
Sf
62.4262.5971.2479.7286.7187.1388.1694.0298.0298.3499.81
104.41108.52109.34117.07120.60124.20127.44130.38133.08135.58137.92140.13
(HT-H§98 )/T
J-mol'^K"1 -
0.000.177.68
13.7818.1918.6119.1821.8923.6423.9624.5626.1727.4627.8735.6136.1336.5736.8637.0837.2037.3037.3737.44
-(Gf-H§98 )/T
62.4262.4263.5665.9468.5268.5268.9772.1374.3874.3875.2478.2481.0681.4681.4684.4887.6490.5893.3095.8898.28
100.55102.69
AfH°
kJ-mol'1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
AfG°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T
H298"H6
1002 K
7.749 kJ
6.912 kJ
Boiling T
Molar Vol
K
kJ
3.821 J-bar' 38.21 cm3
6/12/92
THERMODYNAMIC PROPERTIES AT fflGH TEMPERATURE OF INDIVIDUAL PHASES 73
BERYLLIUM (REFERENCE STATE) Formula wt 9.012
Be: Hexagonal close-packed crystals 298.15 to 1550 K; beta crystals 1550 to melting point 1560 K; liquid 1560 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.153004005006007008009001000110012001300140015001550155015601560160017001800
Melting T
Afo.H0
H298-H5
<%
16.4416.5219.6421.5823.0624.3225.4726.5427.5828.5929.5730.5531.5232.4732.9530.0030.0030.0030.0030.0030.00
12
ST
9.509.6014.8319.4323.5027.1530.4733.5436.3939.0641.5944.0046.3048.5149.5850.9451.1359.2059.9661.7863.50
1560 K
.21 kJ
1.95 kJ
(H*-H598)/T
.-1-1
0.000.104.647.84
10.2612.1813.7715.1316.3217.3918.3719.2720.1120.9021.2822.6422.6830.7630.7430.7030.66
-<GT-H298 )/T
9.509.5010.1911.5913.2414.9716.7118.4120.0721.6723.2324.7326.1927.6128.3028.3028.4528.4429.2231.0832.84
AfH°
kJ- I"1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
A^o
Molar Vol
A£6°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
t
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
kJ
0.488 J'bar'14 . 88 cm3
6/18/92
74 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
BISMUTH (REFERENCE STATE) Formula wt 208.980
Bi: Rhombohedral crystals 298.15 to melting point 544.5 K. Liquid 544.5 to 1800 K.
Temp.
298.15300400500544.52544.52600700800900100011001200130014001500160017001800
Melting T
CPT--.~l 1. V~l
FORMATION FROM THE ELEMENTS
AfH° AfG° Log Kf
25.4125.4326.6228.6629.8330.4829.6128.6128.0227.6727.4527.3127.2427.1927.1727.1727.1827.1927.21
56.7456.9064.3670.5073.4094.1596.64
101.13104.90108.18111.08113.69116.07118.25120.26122.13123.89125.54127.09
544.52 K
0.000.166.61
10.8012.3933.1432.7632.2431.7431.3130.9330.6130.3330.0929.8829.7029.5429.4129.28
56.7456.7457.7559.7061.0161.0163.8868.8973.1676.8780.1583.0885.7488.1690.3892.4394.3596.1497.81
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
AV«H°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
1835
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
kJA^H0 11.299 kJ
H298~H5 6.43 kJMolar Vol.
212.131 J-bar'1.31 cm3
4/23/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 75
BROMINE (REFERENCE STATE) Formula wt 159.808
Br2 : Liquid 298.15 to boiling point 332.5 K; ideal diatomic gas, P to 2200 K.
1 bar, 332.5
FORMATION FROM THE ELEMENTS
Temp.
298.15300332.5332.5400500600700800900100011001200130014001500160017001800
°p
75.6775.6075.3036.3336.7137.0837.3137.4837.6037.7037.7837.8737.9538.0438.1438.2438.3638.4938.63
Sf
152.20152.67160.43249.34256.09264.33271.11276.87281.89286.32290.30293.90297.20300.24303.06305.70308.17310.50312.70
(Hf-HS98 )/T
.1-1
0.000.477.79
96.7086.5576.6270.0565.3961.9159.2157.0655.3153.8652.6451.6050.7149.9349.2648.66
-(Gf-H298 )/T
152.20152.20152.64152.64169.54187.71201.06211.49219.98227.11233.23238.59243.34247.60251.46254.99258.24261.24264.04
A£H°
kJ-mol'1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
AfG°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T 265.9 K
10.57 kJ
24.51 kJ
Boiling T
Molar Vol.
332.5 K
29.56 kJ
5.458 J'bar'1 54.58 cm3
4/23/92
76 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
GRAPHITE (REFERENCE STATE) Formula wt 12.011
C: Hexagonal crystals 298.15 to 2500 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
cp
8.528.5911.8814.6416.7918.4719.7720.8021.6322.2922.8323.2723.6423.9524.2224.4624.67
COST
5.745.798.72
11.6814.5517.2719.8222.2124.4526.5428.5130.3532.0933.7335.2936.7638.17
<H*-H598,/T
-1-1
0.000.052.604.756.588.179.54
10.7311.7812.7113.5314.2614.9215.5116.0516.5416.98
-(Gf-H298 )/T
5.745.746.126.937.979.10
10.2911.4812.6713.8314.9816.0917.1718.2219.2420.2321.18
AfH°
kJ«mol~*
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
AfG°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T
kJ
1.05 kJ
Boiling T K
A«pH° kJ
Molar Vol. 0.5298 J'bar'1 5.298 cm3
4/23/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 77
DIAMOND Formula wt 12.011
C: Cubic crystals 298.15 to 1600 K.
Temp.
298.15300400500600700800900
1000110012001300140015001600
CP S$ i
FORMATION FROM THE ELEMENTS
(HT-H298 )/T -(GT-H$98 )/T AfH° AfG° Log Kf
T -«»-»! 1 -1^ 1 1. T .« »,«. 1 1
6.146.21
10.2413.6016.1218.0219.4820.6521.6322.5223.3624.2025.0826.0427.08
2.382.424.767.43
10.1412.7715.2817.6419.8721.9823.9725.8727.7029.4631.18
0.000.042.094.075.887.488.9010.1411.2412.2313.1213.9414.7015.4316.12
2.382.382.673.354.265.296.387.508.639.75
10.8511.9313.0014.0415.05
1.91.91.71.61.51.41.41.31.31.41.41.51.61.82.0
2.92.93.33.74.14.65.05.55.96.46.87.37.78.28.6
-0.51-0.51-0.43-0.38-0.36-0.34-0.33-0.32-0.31-0.30-0.30-0.29-0.29-0.28-0.28
Melting T
H298"H5
K
kJ
0.523 kJ
Boiling T K
A^0 kJ
Molar Vol. 0.3417 J-bar'1 3.417 cm3
A= 1.37E+00 B= 0.453E-02 C* 1.547E+04
11/18/92
78 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
CALCIUM (REFERENCE STATE) Formula wt 40.078
Ca: a-crystale (face-centered cubic) 298.15 to 716 K. 0-crystals (body-centered cubic) 716 to melting point 1115 K. Liquid 1115 to boiling point 1755 K. Ideal monatomic gas, P * 1 bar, 1774 to 1800 K.
Temp.
298.15300400500600700716716800900
1000110011151115120013001400150016001700177417741800
Melting T
CP
25.7725.7926.9528.4830.3432.4132.7431.5033.8236.7139.7142.7643.2335.0035.0035.0035.0035.0035.0035.0035.0020.8420.84
COST
42.9043.0650.6356.8062.1666.9867.7369.0372.6576.8080.8284.7585.3392.9995.5598.36100.95103.37105.63107.75109.23193.25193.55
1115 K
(HT-H298 )/T
J-mol"1 ^"1 -
0.000.166.71
10.9013.9816.4616.8318.1319.6521.3923.0724.7224.9632.6232.7932.9633.1133.2433.3533.4433.50
117.52116.12
-(Gf-H«,98 )/T
42.9042.9043.9345.9048.1750.5250.9050.9052.9955.4157.7560.0360.3760.3262.7665.4067.8470.1372.2874.3175.7375.7377.43
FORMATION FROM THE ELEMENTS
AfH° AfG° Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
1774
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
A^0 330.915 kJAft.H0
H298"H8
8.54 kJ
5.707 kJMolar Vol. 2.
26.
619 J'bar'119 cm3
6/12/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 79
CADMIUM (REFERENCE STATE) Formula wt 112.411
Cd: Hexagonal close packed crystals 298.15 to melting point 594.18 K. boiling point 1039 K. Ideal monatomic gas 1039 to 1800 K.
Liquid 594.18 to
Temp.
298.15300400500594.18594.18600700800900
10001039103911001200130014001500160017001800
°p
25.9826.0027.1428.3729.5329.7129.7129.7129.7129.7129.7129.7120.7920.7920.7920.7920.7920.7920.7920.7920.79
ST
51.8051.9659.5965.7870.7981.2181.4886.0690.0393.5396.6697.97193.90194.88196.69198.35199.89201.33202.67203.93205.12
(Hf-H298 )/T
J-mol'^K"1 -
0.000.166.76
10.9513.8124.2324.2825.0525.6426.0926.4526.52122.45116.81108.81102.0496.2391.2086.8082.9279.47
FORMATION FROM THE ELEMENTS
-(GT-H$98 )/T AfH° AfG° Log Kf
kJ-mol""1
51.8051.8052.8354.8256.9856.9857.1961.0064.3967.4470.2171.4471.4478.0687.8896.31103.65110.12115.86121.01125.65
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T 594.18 K
6.19 kJ
6.25 kJ
Boiling T 1039 K
99.667 kJ
Molar Vol. 1.3005 J-bar'1 13.005 cm3
6/10/92
80 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
CERIUM (REFERENCE STATE) Formula wt 140.115
Ce: a-crystale (face-centered cubic) 298.15 to 999 K. |J-crystals 999 to melting point 1071 K. Liquid 1071 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090099999910001071107111001200130014001500160017001800
Melting T
Aft»H°
H298"H8
°P
26.9326.9628.2929.7031.2032.7734.4036.0737.7637.6137.6137.6137.7037.7037.7037.7037.7037.7037.7037.7037.70
ST
72.0072.1780.1086.5792.1197.04
101.52105.67109.35112.46112.55115.19120.29121.24124.52127.53130.33132.93135.36137.65139.80
1071 K
5.46 kJ
7.28 kJ
<Hf-H298 )/T
J-mol"1^"1 -
0.000.177.03
11.4214.5917.0719.1420.9322.3425.4525.5226.3231.4131.5832.0932.5332.8933.2133.4933.7433.96
-<Gf-H298 )/T
72.0072.0073.0775.1477.5279.9682.3884.7487.0187.0187.0388.8888.8889.6692.4395.0097.4499.72101.87103.91105.84
AfH°
kJ-mol"1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
A uOo _ n
Molar Vol.
AfG°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2.20.
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
kJ
077 J'bar177 cm3
6/17/92
THERMODYN AMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 81
CHLORINE (REFERENCE STATE) Formula wt 70.905
C12 : Ideal diatomic gas 298.15 to 2500 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900100011001200130014001500160017001800
°p
33.9533.9835.2836.0536.5536.8937.1337.3137.4537.5737.6737.7637.8537.9438.0338.1338.24
ST
223.08223.29233.26241.22247.84253.50258.45262.83266.77270.34273.62276.64279.44282.05284.50286.81288.99
<HT-H298 )/T
J»mol~*«K~* -
0.000.218.8314.2017.8920.5822.6324.2625.5726.6527.5728.3529.0229.6130.1430.6131.03
-(Gf-H$98 )/T
223.08223.08224.43227.02229.95232.92235.81238.58241.20243.69246.05248.29250.41252.44254.37256.21257.97
AfH°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
A£6°
_-l
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T 172.16 K
6.406 kJ
3ft 9.18 kJ
Boiling T 239.1 K
A^0 20.41 kJ
Molar Vol. 2478.97 J-baT1 24789.7 cm3
6/18/92
82 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COBALT (REFERENCE STATE) Formula wt 58.933
Co: a-crystals (hexagonal close packed) 298.15 to 700 K. 700 to melting point 1768 K. Liquid 1768 to 1800 K.
p-crystals (face-centered cubic) Curie point at 1394 K.
Temp.
298.15300400500600700700800900
100011001200130013941400150016001700176817681800
CO CO /tlO_UO % /IP //~«O tlO \ /T p Srp (Hfp-H^98)/T -(GT-H298 )/T
FORMATION FROM THE ELEMENTS
AfH° AfG° Log Kf
1. T-.«~ 1 1
24.81
24.8526.5628.1929.7031.0530.5132.5834.5536.8539.7743.5248.2653.7044.2239.7538.2837.7837.7440.5040.50
30.0430.1937.5843.6848.9653.6454.2758.5062.4566.2069.8473.4677.1280.6780.8883.7286.2388.5390.0099.1699.98
0.000.156.54
10.7113.7516.1316.7818.6320.2821.8223.3124.8326.4528.1528.2429.1229.7330.2130.5039.6639.68
30.0430.0431.0432.9735.2137.5137.4939.8842.1744.3846.5348.6350.6752.5252.6454.6156.5058.3259.5059.5060.30
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T
H298~H8
1768 K
16.19 kJ
4.766 kJ
Boiling T
Molar Vol.
K
kJ
0.667 J»bar" 6.67 cm3
THERMODYN AMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 83
CHROMIUM (REFERENCE STATE) Formula wt 51.996
Cr: Body-centered cubic crystals 298.15 to melting point 2130 K. Neel temperature 311.5 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300311.50400500600700800900100011001200130014001500160017001800
cp
23.4723.5323.8125.6426.5627.3528.2729.3730.6532.0933.6735.3837.1939.1141.1143.1945.3547.57
Sf
23.6223.7724.6630.8836.7141.6245.9049.7553.2856.5859.7162.7165.6268.4471.2173.9376.6179.27
<Hf-H298)/T
J .mnl ~1 V~l IDOJ. *JX
0.000.140.986.3110.2713.0515.1616.8618.3219.6320.8321.9723.0724.1525.2126.2727.3328.39
-<GT-H298)/T
23.6223.6223.6424.5826.4428.5730.7532.8934.9636.9638.8840.7542.5544.3046.0047.6649.2850.88
AfH°
kJ«mol"^
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
A£G°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T 2130 K
16.933 kJ
4.058 kJ
Boiling T 2945 K
A^H« 344.31 kJ
Molar Vol. 0.7231 J'bar'1 7.231 cm3
5/26/93
84 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
CESIUM (REFERENCE STATE) Formula wt 132.905
" ssrssr « - - ->-1
Temp.
K . _
298.15300301.55301.55400500600700800900947.96947.96100011001200130014001500160017001800
« . ____
i
°P
Sf (»T-H298)/T -<Gf-H298 )/T
FORMATION
AfH°
V.T . m<*\
- -
FROM THE ELEMENTS
AfG° Log Kf
i-l ___ *»** -*UWA
- ______________________ ..
32.1932.3532.5032.3931.5131.1530.9930.9430.9330.9530.9720.7820.7820.7820.7920.7920.8120.8420.8820.9521.04
.
85.2385.4385.6092.52
101.54108.53114.20118.97123.10126.75128.36199.73200.84202.82204.63206.29207.84209.27210.62211.89213.09
-^^_____
i -
0.000.160.337.25
13.3416.9419.2920.9622.2123.1823.5794.9591.0984.7079.3774.8671.0067.6664.7362.1659.87
_
85.2385.2785.2785.2788.2091.5994.9098.01100.89103.57104.78104.78109.75118.12125.26131.43136.83141.61145.88149.73153.22
____ ^ *_^
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
__^__
- .__
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
____
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T
H298~H8
301.55 K
2.09 kJ
7.71 kJ
Boiling T 942 K
67.71 kJ
Molar Vol. 6.973 J'bar'1 69.73 cm3
6/11/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 85
COPPER (REFERENCE STATE) Formula wt 63.546
Cu: Face-centered cubic crystals 298.15 to melting point 1357.8 K. Liquid 1357.8 to 1800 K.
Temp.
298.1530040050060070080090010001100120013001357.81357.814001500160017001800
CP S O /UO_ttQ \ /ip /*"*<> Hfi \ Irn T (HT-HJJgg)/T -(GT-H2g3)/T
24.4324.4525.3425.9926.4826.9227.4027.9728.6929.5730.6531.9332.7732.8032.8032.8032.8032.8032.80
33.14
33.2940.4546.1850.9655.0858.7061.9664.9467.7270.3472.8474.2583.9484.9587.2189.3291.3293.19
0.000.156.34
10.2112.8814.8516.3917.6518.7119.6620.5321.3521.8231.5131.5531.6331.7031.7731.82
33.1433.1434.1135.9738.0840.2242.3144.3146.2348.0649.8151.4852.4352.4353.4055.5857.6259.5561.37
FORMATION FROM THE ELEMENTS
AfH° AfG° Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T 1357.8 K
13.14 kJ
ift 5.00 kJ
Boiling T
Molar Vol
K
kJ
0.7113 J* bar1 7.113 cm3
5/28/93
86 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
FLUORINE (REFERENCE STATE) Formula wt 37.997
F2 : Ideal diatomic gas at P » 1 bar 298.15 to 2500 K.
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
CP ST i
FORMATION FROM THE ELEMENTS
(HT-H£9g)/T -(GT-H298 )/T AfH° AfG° Log Kf
r.^.^.1 *~1 .tr*"! i. T --. .1 "!
31.3131.3533.1434.2835.1135.7536.2736.7037.0737.3837.6637.8938.1038.2838.4438.5738.69
202.79202.98212.27219.80226.12231.59236.40240.69244.58248.13251.39254.42257.23259.87262.34264.68266.89
0.000.198.2313.3316.8919.5421.6023.2624.6225.7726.7527.6028.3429.0029.5830.1130.58
202.79202.79204.04206.47209.23212.04214.79217.43219.96222.36224.64226.82228.89230.87232.76234.57236.31
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T 53.48 K
0.51 kJ
8.82 kJ
Boiling T
Molar Vol.
84.95 K
6.54 kJ
2478.97 J-bar'1
24789.7 cm3
6/03/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 87
IRON (REFERENCE STATE) Formula wt 55.847
Fe: Body-centered cubic crystals 298.15 to 1185 K. Curie point 1043 K; face-centered cubic crystals 1185 to 1667 K; body-centered cubic crystals 1667 to melting point 1809 K.
Temp.
K
298.15300400500600700800900
10001043110011851185120013001400150016001667166717001800
Melting T
Afi»H°
HS98"H6
CP
25.0825.1327.4329.6432.0134.6237.9243.1654.4683.7744.3540.0033.7833.9034.8135.7536.6937.6338.2640.4041.4544.65
13
S*
27.0927.2434.8041.1546.7651.8956.7261.4666.5069.1471.9175.0175.7776.1978.9481.5684.0686.4588.0188.5289.3291.78
1809 K
.81 kJ
4.51 kJ
FORMATION FROM THE ELEMENTS
(HT-H^98 )/T -(6T-H^98 )/T A fH° AfG° Log Kf
0.000.166.69
11.0614.3517.0619.4521.7624.3925.9727.3128.3329.1029.1629.5629.9730.3830.8131.0931.6031.7832.41
27.0827.0828.1030.0932.4134.8337.2739.7042.1143.1844.6046.6746.6747.0449.3851.5953.6755.6556.9256.9257.5459.37
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
Av^H 0
Molar Vol.
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
kJ
0.7092 J'bar*1 7.092 cm3
4/29/92
88 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
GERMANIUM (REFERENCE STATE) Formula wt 72.61
Ge: Face-centered cubic crystals (diamond structure) 298.15 to 1211.4 K. boiling point 3107 K.
Liquid 1211.4 to
Temp.
298.15300400500600700800900
1000110012001211.41211.4130014001500160017001800
CP S o /uo__uo \ /n» / r* o _ uo \ /*P m ( **m *»298'' l**T **298''
FORMATION
AfH°
FROM THE ELEMENTS
AfG° Log Kf
23.2223.2524.3124.9625.4525.8726.2426.5926.9327.2527.5727.6127.6027.6027.6027.6027.6027.6027.60
31.0931.2338.0843.5848.1852.1355.6158.7261.5464.1266.5166.7797.3499.29101.33103.24105.02106.69108.27
0.000.146.069.78
12.3614.2615.7316.9217.9018.7419.4619.5450.1148.5747.0745.7844.6443.6442.75
31.0931.0932.0233.8035.8237.8839.8841.8043.6445.3947.0547.2347.2350.7254.2657.4660.3863.0565.52
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T 1211.4 K
37.03 kJ
4.64 kJ
Boiling T 3107 K
330.92 kJ
Molar Vol. 1.363 J-bar'1 13.63 cm3
6/12/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 89
HYDROGEN (REFERENCE STATE) Formula wt 2.016
Ideal diatomic gas at P - 1 bar 298.15 to 2500 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000110012001300140015001600171800
CP
28.8228.8429.2429.2529.2929.4129.6229.9030.2430.6131.0131.4331.8632.2932.7133.1233.53
ST
130.68130.86139.23145.76151.09155.61159.55163.06166.23169.13171.81174.31176.65178.86180.96182.96184.86
<Hf-H298 )/T
_! _!
0.000.187.4111.7814.6916.7818.3819.6420.6821.5722.3423.0223.6424.2024.7225.2025.65
-<Gf-H298 )/T
130.68130.68131.82133.98136.40138.83141.18143.42145.54147.56149.47151.28153.01154.66156.24157.75159.21
AfH°
kJ'mol"1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
AfG°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T 13.80 K
0.117 kJ
8.468 kJ
Boiling T 20.27 K
0.904 kJ
Molar Vol. 2478.97 J'bar'1 24789.7 cm3
4/29/92
90 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MERCURY (REFERENCE STATE) Formula wt 200.59
Hg: Liquid 298.15 to boiling point 629.0 K. Ideal monatonic gas at P * 1 bar, 629.0 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600629.0629.0700800900
100011001200130014001500160017001800
CP
27.9627.9527.4127.1727.1427.1720.7920.7920.7920.7920.7920.7920.7920.7920.7920.7920.7920.7920.79
**
75.9076.0784.0390.1295.0796.35190.49192.71195.48197.93200.12202.10203.91205.58207.12208.55209.89211.15212.34
<H*-H398)/T
-1 _1
0.000.177.04
11.0913.7614.38
108.5299.6289.7782.1075.9770.9666.7863.2460.2157.5855.2853.2551.45
-<Gf-H298 )/T
75.9075.9076.9979.0381.3181.9781.9793.09105.71115.83124.15131.14137.14142.34146.91150.97154.61157.90160.89
AfH°
kJ-mol~l
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
AfG°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Log K£
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T 234.32 K
2.297 kJ
9.343 kJ
Boiling T 629.0 K
59.214 kJ
Molar Vol. 1.4822 J-bar'1 14.822 cm3
01/07/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 91
IODINE (REFERENCE STATE) Formula wt 253.809
I2 : Crystals 298.15 to melting point 386.8 K; liquid 386.8 to boiling point 457.7 K; ideal diatomic gas, P-l bar, 457.7 to 2200 K.
Temp.
298.15300386.8386.8400457.7457.7500600700800900
100011001200130014001500160017001800
Melting T
CP
54.4454.5163.5480.6780.6780.6737.3937.4837.5337.5537.6237.7637.9638.2338.5638.9339.3439.7940.2740.7841.31
386.
ST
116.14116.48131.22171.34174.06184.93276.61279.93286.77292.56297.58302.01306.00309.63312.97316.07318.97321.70324.29326.74329.09
8 K
FORMATION FROM THE ELEMENTS
(HT-H£98 )/T -(GT-H298 )/T AfH° AfG° Log Kf
0.000.3413.3253.4454.3557.67
149.35139.88122.82110.63101.5094.4188.7584.1580.3477.1474.4272.1070.0968.3566.84
116.14116.14117.90117.90119.71127.26127.26140.06163.96181.93196.08207.61217.25225.48232.64238.94244.55249.61254.19258.39262.25
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
457.
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
7 K
A^0 41.96 kJAfa.H0 15.52 kJ
Molar Vol.^298~"^0 13.20 kJ
5.51.
129 J'bar'129 cm3
4/29/92
92 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
POTASSIUM (REFERENCE STATE) Formula wt 39.098
K: Crystals 298.15 to melting point 336.4 K; liquid 336.4 to boiling point 1039.5 K; ideal monatomic gas, P=l bar, 1039.5 to 1800 K.
Temp.
298.15300336.4336.4400500600700800900
10001039.51039.511001200130014001500160017001800
Melting T
CP
29.5029.5734.5732.1431.5030.7030.1429.8229.7629.9430.3630.6020.7920.7920.7920.7920.7920.8020.8120.8420.87
336
ST
64.6764.8568.3775.3180.8287.7693.3197.92
101.90105.41108.59109.77186.30187.48189.28190.95192.49193.92195.27196.53197.72
.4 K
<Hf-H298 )/T
0.000.183.49
10.4313.8317.2819.4720.9722.0722.9323.6523.91100.4496.0789.7884.4879.9375.9972.5469.5066.80
FORMATION FROM THE ELEMENTS
""(Gm H§gQ ) /T AfH° AfG° Log K«
, ,...., l- -r - - 1 ~1
64.6764.6764.8864.8866.9970.4873.8476.9579.8382.4884.9485.8685.8691.4199.50
106.47112.56117.93122.73127.03130.92
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
1039.
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
5 K
A,^H0 79.92 kJAft.H0 2.33 kJ
H2*98~H6 7. 09 kJMolar Vol. 4.
45.
536 J-bar'136 cm3
4/29/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 93
LITHIUM (REFERENCE STATE) Formula wt 6.941
Li: Crystals 298.15 to melting point 453.2 K; liquid 453.7 K to boiling point 1620 K; ideal monatomic gas, P*l bar, 1620 to 1800 K.
Temp.
298.15300400453.7453.7500600700800900
10001100120013001400150016001620162017001800
°p e°ST (HT-H$98)/T
.T.m/il l.lf 1
-(Gf-H298)/T
FORMATION FROM THE ELEMENTS
AfH° AfG° Log Kf
1. T. ^l 1
24.6224.6727.6129.3930.3930.1329.5428.9928.9428.8928.8428.7928.7428.7028.6228.5428.4528.4320.7920.8020.81
29.0929.2436.7040.2946.9049.8455.2859.7963.6667.0770.1172.8575.3677.6679.7881.7583.5983.95173.97174.97176.16
0.000.156.629.2115.8217.1619.2720.7021.7322.5323.1623.6724.1024.4524.7525.0125.2325.27115.30110.85105.85
29.0929.0830.0831.0831.0832.6936.0139.1041.9344.5446.9549.1851.2653.2055.0256.7458.3658.6858.6764.1270.31
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T
H298"H8
453.2 K
3.00 kJ
4.62 kJ
Boiling T 1620 K
145.84 kJ
Molar Vol. 1.3017 J-bar'1 13.017 cm3
4/29/92
94 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MAGNESIUM (REFERENCE STATE) Formula wt 24.305
Mg: Hexagonal close-packed crystals 298.15 to melting point 923 K. Liquid 923 to boiling point 1366.1 K. Ideal monotomic gas, P « 1 bar, 1366.1 to 1800 K.
Temp.
298.15300400500600700800900923923
10001100120013001366.11366.114001500160017001800
°p
24.8724.9026.1427.1828.2029.2930.5131.9032.2434.3134.3134.3134.9134.3134.3120.7920.7920.7920.7920.7920.79
COST
32.6732.8240.1746.1151.1655.5859.5763.2564.0573.2375.9879.2582.2484.9886.69180.29180.80182.23183.57184.83186.02
/UO MUO \ /rn\ Aim **O Q Q j f X
0.000.156.50
10.5413.3915.5917.3718.9119.2328.4228.8729.3629.7830.1230.33123.93121.43114.72108.85103.6799.07
-(GT-H298 )/T
32.6732.6733.6635.5837.7640.0042.2044.3444.8244.8247.1149.8952.4654.8656.3656.3659.3467.4974.7281.1686.95
FORMATION
AfH°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
FROM THE ELEMENTS
AfG° Log Kf
1""
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T
H298~H8
923 K
8.477 kJ
5.00 kJ
Boiling T
Molar Vol
1361.1 K
127.87 kJ
1.3996 J'bar'1 13.996 cm3
4/29/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 95
MANGANESE (REFERENCE STATE) Formula wt 54.938
Mn: a-crystals 298.15 to 980 K. ^-crystals 980 to 1360 K. y-crystals 1360 to 1410 K. A- crystals 1410 to melting point 1517 K. Liquid 1517 to boiling point 2335 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900980980
100011001200130013601360140014101410150015171517160017001800
cp
26.1926.2328.3030.1631.8933.4934.9336.1837.0437.5937.6838.1138.5438.9739.1542.4143.4343.5145.2345.9746.1146.0246.0246.0246.02
S*
32.0132.1740.0146.5352.1857.2261.7965.9869.0571.4072.1275.7379.0782.1784.0184.9786.7587.0788.4191.2191.8699.81
102 . 13104.92107.55
(Hf-H298 )/T
J-mol'^K'1 -
0.000.166.9511.4014.6817.2519.3721.1722.3524.7024.9626.1427.1528.0428.5229.4830.4730.5631.8932.7232.8740.8141.0841.3841.63
-(Gf-H298 )/T
32.0132.0133.0735.1337.5039.9742.4244.8146.7046.7047.1649.5951.9254.1355.4955.4956.2856.5156.5258.4959.0059.0061.0563.5565.92
AfH°
kJ-mol"1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
AfG°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T 1517 K Boiling T 2335 K
kJAfo.H 0 12.06 kJ
^29'B~"^8 4.996 kJMolar Vol. 0.7354 J-bar'1
7.354 cm3
1/31/92
96 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MOLYBDENUM (REFERENCE STATE) Formula wt 95.94
Mo: Body-centered cubic crystals 298.15 to 2500 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900100011001200130014001500160017001800
Melting T
A^H'
H598~H8
CP
23.9023.9225.0525.8626.4726.9927.4627.9228.4028.9229.4930.1130.8031.5632.4033.3134.30
32.
4
ST
28.6628.8135.8641.5446.3150.4354.0657.3260.2963.0265.5667.9570.2072.3574.4276.4178.34
2890 K
54 kJ
.594 kJ
<Hf-H298 )/T
J-mol"1-^1
0.000.156.24
10.0912.7714.7616.3217.5818.6419.5520.3621.0821.7522.3822.9823.5624.13
-<G*-HJ98 ,/T
28.6628.6629.6131.4533.5435.6637.7439.7441.6543.4745.2046.8648.4549.9751.4452.8554.21
AfH°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
AV*H°
Molar Vol.
AfG° Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
4912 K
598.07 kJ
0.9387 J
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
bar'1
9.387 cm3
4/29/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 97
NITROGEN (REFERENCE STATE) Formula wt 28.013
N2 : Ideal diatomic gas at P = 1 bar 298.15 to 2500 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
cp
29.1329.1329.2429.7030.2630.8631.4532.0332.5833.1033.5834.0334.4534.8235.1635.4535.71
ST
191.61191.79200.17206.74212.21216.91221.07224.81228.22231.35234.25236.95239.49241.88244.14246.28248.31
(HT-H298 )/T
J«mol"~*»K""* -
0.000.187.42
11.8314.8517.0918.8520.2921.4922.5223.4224.2224.9425.5826.1726.7127.20
-<Gf-H298 )/T
191.61191.61192.75194.92197.35199.82202.22204.53206.73208.83210.83212.73214.55216.30217.97219.57221.11
AfH°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
AfG°
-1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Log K£
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T
H§98"H8
63.14 K
0.720 kJ
8.669 kJ
Boiling T 77.35 K
5.586 kJ
Molar Vol. 2478.97 J«bar'1 24789.7 cm3
6/19/92
98 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
SODIUM (REFERENCE STATE) Formula wt 22.990
Na: Body-centered cubic crystals 298.15 to melting point 371 K; liquid 371 to fictive boiling point 1170.5 K. Ideal monotomic gas, P=l bar, 1170.5 to 1800 K.
Temp.
298.15300371371400500600700800900
100011001170.51170.51200130014001500160017001800
Melting T
CP
28.1528.2031.8331.8331.5130.5529.8129.2728.9428.8428.9429.2629.6120.7920.7920.7920.7920.7920.7920.7920.79
COST
51.4651.6357.9064.9267.3074.2279.7384.2888.1691.5694.6197.3899.21182.09182.61184.28185.82187.25188.59189.85191.04
371 K
(Hf-H298 )/T
0.000.175.80
12.8214.1817.5419.6621.0622.0622.8223.4323.9424.28107.16105.0498.5693.0188.1983.9780.2676.96
-(Gf-H298 )/T
51.4651.4652.1052.1053.1256.6860.0763.2266.1068.7471.1873.4474.9374.9377.5785.7292.8199.06
104.62109.59114.08
FORMATION FROM THE ELEMENTS
AfH° AfG° Log Kf
kJ-mol"1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
1170.5
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
A^0 97.610 kJAft»H°
H298-H6
2. 598 kJ
6.460 kJMolar Vol. 2.381
23.81
J»bar~lcm3
4/29/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 99
NICKEL (REFERENCE STATE) Formula wt 58.69
Ni: Face-centered cubic crystals (magnetic) to Curie point 631 K; nonmagnetic 631 to melting point 1728 K; liquid 1728 to 1800 K.
FORMATION FROM THE
Temp.
298.15300400500600631700800900
10001100120013001400150016001700172817281800
Melting T
AjJH0
H298-H5
cp
25.9926.0528.3830.8234.8539.8330.7931.0031.5932.2232.9333.6834.5235.4036.3237.2838.2838.5438.9138.91
17
ST
29.8730.0337.8744.4550.3952.2655.5859.1063.3866.7469.8572.7475.4778.0680.5382.9185.2085.8395.7597.34
1728 K
.16 kJ
4.79 kJ
(HT-H298 )/T
J-mol"1 ^'1 -
0.000.166.95
11.4615.0016.0817.6319.2920.6221.7522.7323.6124.4225.1725.8826.5727.2327.4137.3437.40
-(Gf-H298 )/T
29.8729.8730.9232.9935.4036.1937.9439.8142.7644.9947.1149.1351.0552.8954.6556.3457.9758.4258.4259.94
AfH°
«1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
AV*H°
Molar Vol
AfG°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.6.
ELEMENTS
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
kJ
6588 J-bar'588 cm3
4/29/92
100 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
OXYGEN (REFERENCE STATE) Formula wt 31.999
Ideal diatomic gas at P « 1 bar 298.15 to 2500 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
CP
29.3529.3530.0431.1232.1433.0033.7234.3334.8535.2935.6736.0036.3136.5836.8437.0837.32
ST
205.15205.33213.85220.67226.43231.45235.91239.92243.56246.90249.99252.86255.54258.05260.42262.66264.79
(Hf-H298 )/T
_ ,-!_-!
0.000.187.54
12.1515.4017.8519.7921.3722.7023.8224.7925.6426.3927.0627.6728.2128.71
-<Gf-H298 )/T
205.15205.15206.31208.52211.04213.60216.12218.54220.86223.08225.20227.22229.14230.99232.75234.45236.08
AfH°
,
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
AfG°
1-1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T
H298~H8
54.35 K
0.444 kJ
8.682 kJ
Boiling T 90.18 K
6.816 kJ
Molar Vol. 2478.97 J-bar'1 24789.7 cm3
4/29/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 101
PHOSPHORUS (REFERENCE STATE) Formula wt 30.974
P: Crystals (white, a) 298.15 to melting point 317.3 K, 1180 K. Ideal diatomic gas 1180 to 1800 K.
Liquid 317.3 to sublimation point
Temp.
298.15300317.3317.3400500600700800900
10001100118011801200130014001500160017001800
CP
T-_«- .1 ~l-«r l
-(GT-H|98 )/T
23.8223.8724.3526.3226.3226.3226.3226.3226.3226.3226.3226.3226.3218.5418.5518.6018.6418.6818.7218.7518.77
41.0941.2242.5744.6550.7556.6261.4265.4868.9972.0974.8777.3879.22
133.23133.54135.03136.41137.70138.91140.04141.11
0.000.141.453.538.2411.8614.2715.9917.2818.2919.0919.7520.1974.2073.2769.0765.4662.3459.6257.2155.08
41.0841.0841.1241.1242.5144.7647.1549.4951.7153.8055.7857.6359.0359.0360.2765.9670.9575.3679.2982.8386.03
FORMATION FROM THE ELEMENTS
AfH° AfG° Log Kf
kJ-mol'1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T 317.3 K
0.659 kJ
5.36 kJ
Boiling T
Molar Vol.
1180 K
63.84 kJ
1.73 J«bar 17.3 cm3
6/18/92
102 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
LEAD (REFERENCE STATE) Formula wt 207.2
Pb: Face-centered cubic crystals 298.15 to melting point 600.6 K. point 2021 K.
Liquid 600.6 to boiling
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600600.6600.6700800900
100011001200130014001500160017001800
Melting T
CP
26.6526.6727.7928.7829.7429.7430.6330.3129.9829.6629.3729.1728.9028.7328.6028.5128.4628.4528.48
S£ (HT-H^9g)/T -(GT-H298 )/T AfH° AfG° Log Kf
64.8064.9672.8079.1084.4484.4792.4897.15
101.17104.68107.79110.58113.10115.41117.54119.50121.34123.07124.70
600.65 K
J-mol"1 ^'1
0.000.166.9411.2114.2214.2322.2423.4124.2524.8725.3425.6925.9726.1926.3626.5126.6326.7426.84
64.8064.8065.8667.8970.2270.2470.2473.7476.9279.8182.4584.8987.1389.2291.1892.9994.7196.3397.86
kJ-mol"1 -
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2021
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
A^H0 177.7 kJAtoH°
HS98-H6
4.81 kJ
6.870 kJMolar Vol. 1.8267
18.267
J'bar'1 cm3
6/17/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 103
PLATINUM (REFERENCE STATE) Formula wt 195.08
Ft: Face-centered cubic crystals 298.15 to melting point 2042 K.
Temp.
K
298.15300400500600700800900100011001200130014001500160017001800
Melting T
Aft»H0
H298~H8
CP
25.8125.8326.4927.0227.5328.0428.5629.0829.6130.1530.6931.2231.7632.2932.8233.3433.86
19.
Sf <Hf-H298)/T
41.6341.7949.3255.2960.2664.5468.3271.7174.8077.6580.3082.7885.1187.3289.4291.4293.34
2042 K
648 kJ
5.724 kJ
* UIW4. *V
0.000.166.67
10.6813.4515.5017.1018.4019.4920.4421.2722.0222.6923.3123.8924.4324.94
»(GT-H298 )/T
41.6341.6342.6544.6046.8149.0451.2253.3155.3157.2159.0360.7662.4264.0065.5366.9968.40
FORMATION FROM THE
AfH° AfG°
kJ-mol'1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
A^H°
Molar Vol.
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0 9
ELEMENTS
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
kJ
.9091 J-bar'1
.091 cm3
01/07/93
104 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
SULFUR (REFERENCE STATE) Formula wt 32.066
S: Orthorhombic crystals 298.15 to 368.3 K; monoclinic crystals 368.3 to melting point 388.36 K? liquid 388.36 K to fictive boiling point 882.1 K. Ideal diatomic gas, P-l bar, 882.1 to 1800 K.
Temp.
298.15300368.3368.3388.36388.36400500600700800882.1882.1900100011001200130014001500160017001800
CP ST <HT-H298)/T -(Gf-H298 )/T
22.7022.7424.2424.7725.1731.0632.1637.9834.3132.6831.7031.6618.4718.5118.6818.8519.0019.1519.2819.4219.5519.6719.79
32.0532.1937.0138.1039.4343.8644.7953.5360.0865.2469.5372.62
133.08133.45135.41137.20138.85140.37141.80143.13144.39145.58146.71
0.000.144.475.566.57
11.0011.6017.1320.2522.1423.3924.1684.6183.2976.8271.5567.1663.4660.3057.5755.1953.1051.24
32.0532.0532.5432.5432.8632.8633.1936.4039.8243.1046.1448.4748.4750.1658.5965.6571.6976.9181.5085.5689.2092.4895.46
FORMATION FROM THE ELEMENTS
AfH° A£6° Log Kf
kJ'mol"1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T
H298"H8
388.36 K
1.72 kJ
4.412 kJ
Boiling T
Molar Vol.
882.1 K
53.32 kJ
1.5511 J«bar'1 15.511 cm3
6/18/92
THERMODYNAMIC PROPERTIES AT fflGH TEMPERATURE OF INDIVIDUAL PHASES 105
S2 (gas) Formula wt 64.132
S2 : Ideal diatomic gas, P = 1 bar, 298.15 to 2500 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Aft.H°
HJ98-H8
CP
32.4932.5334.0534.9835.6536.1736.6237.0137.3737.6938.0038.2938.5738.8439.0939.3439.59
9.
ST
228.17228.37237.96245.66252.10257.64262.50266.84270.75274.33277.62280.68283.53286.20288.71291.09293.34
K
kJ
124 kJ
(HT-H298 )/T
1~1. K'1
0.000.208.49
13.7017.3119.9722.0223.6625.0226.1627.1327.9828.7229.3929.9930.5331.03
-(GT-H298 )/T
228.17228.17229.47231.96234.80237.67240.48243.17245.74248.18250.49252.70254.80256.81258.72260.56262.32
A fH°
kJ-mol'1
128.6128.6122.7118.3114.7111.6108.8
0.00.00.00.00.00.00.00.00.00.0
Boiling T
Av*H°
Molar Vol
AfG°
79.779.463.449.035.522.610.00.00.00.00.00.00.00.00.00.00.0
. 2478.24789.
Log K£
-13.96-13.82-8.27-5.12-3.09-1.68-0.660.00.00.00.00.00.00.00.00.00.0
K
kJ
97 J'bar'17 cm3
11/18/92
106 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ANTIMONY (REFERENCE STATE) Formula wt 121.75
Sb: Rhombohedral crystals 298.15 to melting point 904 K. Liquid 904 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900904904
100011001200130014001500160017001800
CP
25.2525.2725.9126.4827.1728.0929.3230.9230.9931.3831.3831.3831.3831.3831.3831.3831.3831.3831.38
COST
45.5245.6953.0458.8863.7768.0271.8575.3975.5497.53
100.68103.67106.40108.91111.24113.40115.41117.33119.12
<HT-H298 )/T
J-mol"1 ^"1
0.000.166.52
10.4513.1815.2416.9218.3818.4140.4239.5538.8138.1937.6637.2236.8336.4936.1835.92
-<GT-H298 >/T
45.5245.5246.5248.4350.5952.7854.9357.0157.1157.1161.1264.8668.2171.2474.0276.5778.9481.1483.20
A£H°
kJ-mol""1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
AfG°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T 904 K
19.874 kJ
5.870 kJ
Boiling T
Molar Vol.
1860 K
86.525 kJ
1.8178 J-bar*1
18.178 cm
6/10/92
THERMODYNAMC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 107
SELENIUM (REFERENCE STATE) Formula wt 78.96
Se: Crystals 298.15 to melting point 494 K. diatomic gas 957 to 1800 K.
Liquid 494 to boiling point 957 K. Ideal
Temp.
298.15300400494494500600700800900957957
100011001200130014001500160017001800
CP Sf (Hf-H§98 )/T
T . _^1 ~1 - «r~l
-<Gf-H298 )/T
25.0625.0626.4427.3035.9535.8534.3733.5433.2933.9334.7819.2719.3119.4119.5219.6219.7319.8319.9420.0420.15
42.2742.4249.8355.5167.9768.3874.7980.0384.4888.4390.50
146.44147.29149.13150.82162.39153.84155.21156.49157.70158.85
0.000.156.56
10.4522.9123.0625.0726.3427.2127.9228.3084.2881.4875.8371.1467.1763.7860.8458.2856.0354.03
42.2742.2743.2745.0645.0645.3249.7253.6957.2760.5162.1962.1965.8173.3079.6885.2290.0694.3798.21101.67104.82
FORMATION FROM THE ELEMENTS
A£H° A£6° Log Kf
kJ-mol'1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T
H298~H5
494 K
6.16 kJ
5.52 kJ
Boiling T
Molar Vol.
957 K
53.57 kJ
1.642 J-bar'1
16.42 cm3
12/14/92
108 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
SILICON (REFERENCE STATE) Formula wt 28.086
Si: Cubic crystals 298.15 to melting point 1685 K; liquid 1685 to 1800 K.
Temp.
K
298.15300400500600700800900
10001100120013001400150016001685168517001800
Melting T
CP
20.0020.0622.1423.3324.1624.8125.3625.8626.3326.7827.2127.6328.0528.4728.8829.2227.2027.2027.20
CO ;ST i
18.8118.9325.0230.1034.4338.2141.5644.5747.3249.8552.2054.4056.4658.4160.2661.7591.5591.7993.35
1685 K
J-mol'^K"1 -
0.000.125.408.87
11.3613.2314.7115.9316.9417.8218.5819.2619.8720.4320.9521.3551.1550.9449.62
FORMATION FROM THE ELEMENTS
-(G|-H298 )/T AfH° AfG° Log Kf
1- <r - .1 ~1
18.8118.8119.6321.2323.0824.9726.8428.6530.3832.0433.6235.1336.5837.9839.3140.4040.4040.8543.73
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
A H«
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
kJAtoH0 50.2 kJ
H598-H8 3.218 kJMolar Vol. 1.2056 J'bar*1
12.056 cm3
6/19/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 109
TIN (REFERENCE STATE) Formula wt 118.710
Sn: Crystals 298.15 to melting point 505.1 K. Liquid 501 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500505.1505.1600700800900
100011001200130014001500160017001800
f o1ft
27.1127.1528.9031.0331.1629.4228.6628.2528.0427.9627.9527.9828.0428.1328.2328.3428.4628.5828.70
ST
51.1851.3559.4066.0666.3880.6385.6290.0093.7697.06
100.00102.67105.10107.35109.44111.39113.22114.95116.59
(HT-H298 )/T
J-mol'^K'1 -
0.000.177.13
11.6911.8826.1326.5826.8527.0127.1227.2027.2727.3327.3927.4427.5027.5627.6127.67
-i(Gf-H298 )/T
51.1851.1852.2754.3754.5054.5059.0463.1566.7569.9472.8075.4077.7779.9682.0083.8985.6687.3488.92
A£H°
kJ«mol""*
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
AfG°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T 505.1 K Boiling T 2876 K
295.77 kJAfi,H°
H2*98~H5
7.195 kJ
6.323 kJMolar Vol. 1.
16.62929
J-bar'1cm3
6/17/92
110 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
STRONTIUM (REFERENCE STATE) Formula wt 87.62
Sr: a-crystals (face-centered cubic) 298.15 to 820 K; y-crystals (body-centere cubic) 820 to melting point 1050 K; liquid 1050 to boiling point 1685.5 K; ideal monatomic gas, P-l bar, 1685.5 to 1800 K.
Temp.
K
298.153004005006007008008208209001000105010501100120013001400150016001685.51685.517001800
<p
26.7926.8127.7728.7829.8230.8731.9332.1529.7930.1330.4530.7539.4639.4639.4639.4639.4639.4639.4639.4620.8420.8420.88
00ST
55.6955.8663.7070.0075.3480.0284.2185.0186.0388.8192.0193.51
100.58102.42105.85109.01111.94114.66117.20119.26200.65200.83202.02
(HT-H298)/T
J-mol"1 ^"1
0.000.176.94
11.2114.2316.5318.3918.7219.7420.6521.6222.0529.1229.5930.4231.1131.7132.2332.6833.02
114.41113.62108.46
-(Gf-H298 )/T
FORMATION FROM THE ELEMENTS
AfH° A£G° Log Kf
1, T- 1 1
55.6955.6956.7558.7961.1263.4965.8266.2866.2968.1770.3971.4671.4672.8275.4477.9080.2382.4384.5386.2486.2487.2193.56
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T 1050 K
7.42 kJ
6.36 kJ
Boiling T
Molar Vol.
1685 K
137.18 kJ
3.392 J-bar'1
33.92 cm3
6/19/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 111
TELLURIUM (REFERENCE STATE) Formula wt 127.600
Te: Crystals 298.15 to melting point 723 K. Liquid 723 to boiling point 1261 K. Ideal diatomic gas 1261 to 1800 K.
Temp.
298.15300400500600700723723800900
100011001200126112611300
CP ST (HT-H298 )/T -<GT-H298 )/T
25.7025.7427.9530.1532.3634.5735.0737.6637.6637.6637.6637.6637.6637.6618.6618.66
49.7149.8757.5864.0569.7474.9076.43
100.62104.04108.48112.44116.03119.31121.18161.10161.67
0.000.166.83
11.2714.6017.3017.8642.0541.6341.1940.8340.5440.3040.1880.1078.25
49.7149.7150.7552.7855.1457.6058.5758.5762.4167.2971.6075.4879.0181.0081.0083.41
FORMATION FROM THE ELEMENTS
A£H° A£6° Log K£
kJ-mol"1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T
H2*98~H5
723 K
17.489 kJ
6.121 kJ
Boiling T
Molar Vol.
1261 K
50.341 kJ
2.048 J'bar'1
20.48 cm3
6/17/92
112 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
THORIUM (REFERENCE STATE) Formula wt 232.038
Th: a-crystals (face-centered cubic) 298.15 to 1650 K. 1650 to melting point 2023 K.
p-crystals (body-centered cubic)
Temp.
298.15300400500600700800900
10001100120013001400150016001650165017001800
Melting T
AH,H°
H298~H8
CP
26.2326.2427.0927.9528.8329.7130.6031.5032.3933.2934.1935.0835.9836.8837.7738.2035.4236.0237.21
ST <Hf-H298 )/T
51.8051.9959.6665.7970.9775.4879.5083.1686.5289.6592.5995.3697.99
100.51102.91104.08106.21107.27109.36
2023 K
kJ
6.350 kJ
/ - UIWA *x
0.000.166.79
10.9313.8416.0517.8119.2820.5521.6722.6723.5924.4425.2425.9926.3528.4828.6929.13
-(Gf-H298 )/T
51.8351.8352.8754.8657.1259.4361.6963.8865.9867.9969.9271.7773.5575.2676.9277.7377.7378.5880.23
FORMATION FROM THE
A£H° AfG°
V Trmi-kl ""1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
AV*H°
Molar Vol.
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
119
ELEMENTS
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
kJ
.979 J'bar'1
.79 cm3
6/12/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 113
TITANIUM (REFERENCE STATE) Formula wt 47.88
Ti: a-crystals (hexagonal close packed) 298.15 to 1166 K, 1166 to melting point 1939.
p-crystals (body-centered cubic)
Temp.
K
298.15300400500600700800900
10001100116611661200130014001500160017001800
Melting T
Aft»H 0
HJ98-H5
CP
T-___l 1 . V~l
FORMATION FROM THE ELEMENTS
AfH° AfG° Log K£
25.2525.2726.8227.9828.5929.0129.5730.5232.0534.3036.2229.2429.4630.1831.0232.0033.1234.3635.74
14
30.7630.9238.3944.5149.6754.1158.0261.5564.8468.0070.0673.6474.4876.8679.1381.3083.4085.4587.45
1939 K
.15 kJ
4.83 kJ
0.000.166.62
10.7913.7115.8717.5418.9220.1621.3322.1225.7025.8026.1026.4326.7627.1227.5227.93
30.7630.7631.7733.7235.9638.2540.4842.6344.6946.6647.9447.9448.6850.7652.7054.5456.2857.9359.52
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
AV*H°
Molar Vol.
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
1.10.
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
kJ
063 J'bar'163 cm3
6/17/9
114 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
URANIUM (REFERENCE STATE) Formula wt 238.029
U: a-crystals (orthorhombic) 298.15 to 942 K. ^-crystals (tetragonal) 942 to 1049 K. y- crystals (body-centered cubic) 1049 to melting point 1408 K. Liquid 1408 to 1800 K.
Temp.
K
298.15300400500600700800900942942
1000104910491100120013001400140814081500160017001800
Melting T
Afl.H 0
H298"H8
C£ ST (Hf-H298 )/T -(Gf-H298 )/T
FORMATION FROM THE
AfH° AfG°
ELEMENTS
Log Kf
27.6627.6929.6531.9534.6837.9141.6545.9247.8842.4042.4042.4038.3038.3038.3038.3038.3038.3047.7447.9148.1248.3648.60
8.
50.2050.3758.6065.4671.5177.1082.4087.5489.6992.6495.1797.20
101.71103.52106.86109.92112.76112.98119.17122.20125.30128.22130.99
1408 K
720 kJ
6.364 kJ
0.000.177.29
11.9915.5318.4921.1523.6624.6927.6428.5029.1533.6633.8734.2434.5534.8234.8441.0341.4541.8642.2342.58
50.2050.2051.3153.4755.9858.6061.2563.8865.0065.0066.6768.0568.0569.6572.6275.3777.9478.1478.1480.7583.4485.9988.41
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
AV*H°
Molar Vol.
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
112
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
kJ
.250 J-bar'1
.50 cm3
6/11/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 115
VANADIUM (REFERENCE STATE) Formula wt 50.942
V: Body-centered cubic crystals 298.15 to 2175 K,
Temp.
K
298.15300400500600700800900100011001200130014001500160017001800
Melting T
Afi»H0
H298~H5
CP ST (HT-H^99)/T -(GT-H29g)/T
24.9024.9426.3026.9127.4227.9728.6029.3130.1030.9631.8732.8333.8334.8835.9537.0638.19
20.
28.9429.0936.4942.4347.3851.6555.4258.8361.9664.8767.6070.1972.6675.0377.3179.5281.67
2175 K
928 kJ
4.64 kJ
0.000.156.55
10.5713.3315.3816.9918.3219.4620.4721.3822.2223.0123.7724.5025.2025.89
28.9428.9429.9431.8634.0536.2638.4340.5142.5044.4046.2247.9749.6451.2652.8154.3255.78
FORMATION FROM THE ELEMENTS
AfH° A£6° Log K£
kJ-mol"1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
A^o
Molar Vol.
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
kJ
0.835 J-bar'18.35 cm3
4/30/92
116 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
TUNGSTEN (REFERENCE STATE) Formula wt 183.85
W: Body-centered cubic crystals 298.15 to 2500 K.
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
cp S O /IT°_H9 \ /T /r10 Ufi \ /T m 1 tlm IlOQO ) / J. ( V»m tlOQO / / !
FORMATION FROM THE ELEMENTS
AfH° A£G° Log K£
1.T--.-1 1
24.3324.3424.9025.4525.9226.3326.6927.0327.3627.6928.0428.4028.7929.2029.6530.1330.65
32.6532.8039.8845.4950.1854.2057.7460.9163.7766.3968.8271.0873.2075.2077.1078.9180.64
0.000.156.27
10.0512.6614.5816.0717.2718.2619.1119.8420.4821.0621.5922.0822.5422.97
32.6532.6533.6135.4537.5239.6241.6743.6445.5147.2948.9850.6052.1453.6155.0256.3757.67
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T
H298~H5
3680 K
35.397 kJ
4.979 kJ
Boiling T
Molar Vol
K
kJ
0.9545 J-bar'1 9.545 cm3
4/30/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 117
ZINC (REFERENCE STATE) Formula wt 65.390
Zn: Hexagonal close-packed crystals 298.15 to melting point 692.7 K. Liquid 692.7 to boiling point 1180.2 K. Ideal monatomic gas 1180.2 to 2000 K.
Temp.
K
298.15300400500600692.7692.7700800900
100011001180.21180.21200130014001500160017001800
CP
25.3925.4126.3627.3928.5729.8131.3831.3831.3831.3831.3831.3831.3820.7920.7920.7920.7920.7920.7920.7920.79
eoST
41.6341.7949.2355.2260.3164.5075.0775.4079.5983.2986.5989.5891.79
189.50189.84191.51193.05194.48195.82197.08198.27
(HT-H298 )/T
0.000.166.59
10.6413.5315.6226.1926.2426.8927.3927.7828.1128.33126.04124.29116.33109.51103.5998.4193.8589.79
-(GT-H|98 )/T
41.6341.6342.6444.5746.7848.8848.8849.1652.7055.9058.8161.4763.4663.4665.5575.1883.5490.8997.41103.23108.48
FORMATION FROM THE ELEMENTS
AfH° A£G° Log K£
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Melting T Boiling T 1080.2 K
115.30 kJ
H298"H5
7.32 kJ
5.648 kJMolar Vol. 0.9162 J'bar'1
9.162 cm3
4/30/d:
118 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ZIRCONIUM (REFERENCE STATE) Formula wt 91.224
Zr: a-crystals (hexagonal close packed) 298.15 to 1135 K. cubic) 1135 to melting point 2125 K.
0-crystals (body-centered
FORMATION FROM THE
Temp.
K
298.15300400500600700800900
10001100113511351200130014001500160017001800
Melting T
Aft.H0
H298-H6
°P
25.2025.2326.0426.5227.1627.9928.9630.0431.1832.3332.7428.3328.5128.8829.3529.9330.6231.4132.31
ST
38.8739.0346.4252.2857.1761.4265.2268.6971.9174.9375.9479.4881.0683.3685.5187.5689.5191.3993.21
2125 K
kJ
5.497 kJ
(Hf-H298 )/T
0.000.166.55
10.4913.2115.2616.9118.3119.5420.6521.0224.5624.7625.0725.3525.6425.9326.2326.54
-(Gf-H298 )/T
38.8738.8739.8741.7943.9646.1548.3050.3852.3754.2954.9254.9256.3058.2960.1661.9263.5865.1666.67
AfH°
kJ-mol'1
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Boiling T
A^H°
Molar Vol
A£6°
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
1.14.
ELEMENTS
Log Kf
0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
K
kJ
4016 J-bar'1 016 cm3
11/30/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES
METHANE Formula wt 16
119
i
.043
CH4 : Ideal gas, P - 1 bar, 298.15 to 1800 K
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900100011001200130014001500160017001800
Melting T
Afi»H°
CP
35.7035.7239.9146.2152.4258.0863.1467.6571.6775.2678.4881.3683.9586.2688.3390.1791.80
QOsT
186.26186.48197.22206.79215.77224.29232.38240.08247.42254.43261.11267.51273.64279.51285.14290.56295.76
K
kJ
<H*-HJ98 )/T
J-mol"1^"1 -
0.000.229.52
16.2221.7426.5430.8034.6538.1641.3744.3347.0749.6151.9854.1956.2558.18
-(GT-H$98 )/T
186.26186.26187.70190.57194.03197.75201.58205.43209.27213.05216.78220.44224.02227.53230.95234.30237.57
AfH°
kJ-mol'1
-74.8-74.9-78.0-80.8-83.3-85.4-87.2-88.6-89.8-90.7-91.5-92.0-92.4-92.7-92.9-92.9-93.0
Boiling
A^o
AfG°
-50.7-50.6-42.0-32.7-22.8-12.5-2.08.819.730.741.752.964.075.286.497.6
108.8
T
Molar Vol. 2478H298-H6 10 .025 kJ 24789
Log Kf
8.888.805.483.411.980.930.13
-0.51-1.03-1.45-1.82-2.12-2.39-2.62-2.82-3.00-3.16
K
kJ
.97 J-bar'1
.7 cm3
2/25/94
120 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COHENITE Formula wt 179.552
Fe3C: Orthorhombic crystals 298.15 to 1800 K.
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Aft.H0
H298"H5
CP
111.04111.06112.31113.57114.82116.07117.32118.58119.83121.08122.34123.59124.84126.10127.35128.60129.85
COST
104.40105.09137.21162.40183.22201.01216.59230.49243.04254.52265.11274.95284.16292.82300.99308.75316.14
K
kJ
kJ
(Hf-H298 )/T
J-mol"1^'1 -
0.000.68
28.4345.3456.8165.1971.6376.7781.0284.6087.6990.4192.8295.0096.9898.80
100.49
FORMATION FROM THE ELEMENTS
-(GT-H£98 )/T AfH° AfG° Log Kf
104.40104.40108.77117.07126.41135.83144.97153.71162.03169.92177.42184.55191.34197.82204.01209.95215.64
24.924.927.228.629.229.027.925.621.013.88.98.68.17.46.52.70.2
Boiling T
AVIPHO
Molar Vol.
19.719.717.615.012.29.36.64.11.90.4
-0.7-1.5-2.3-3.0-3.6-4.2-4.5
2.23.
-3.45-3.43-2.29-1.56-1.06-0.70-0.43-0.24-0.10-0.020.030.060.080.100.120.130.13
K
kJ
323 J-bar'123 cm3
01/06/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 121
AMMONIA Formula wt 17.031
NH3 : Ideal gas, P » 1 bar, 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Afo.H °
cj
35.6835.7238.5941.9945.3248.4451.3454.0356.5258.8260.9662.9464.7766.4568.0069.4270.71
ST
192.77192.99203.63212.60220.56227.78234.44240.65246.47251.96257.18262.13266.87271.39275.73279.90283.90
K
kJ
<HT-H$98 )/T
J» 1~1«K""1
0.000.229.43
15.6020.2824.0827.3130.1332.6534.9237.0138.9340.7142.3743.9245.3846.75
-<0*-H598 >/T
192.77192.77194.20197.01200.28203.70207.13210.51213.82217.04220.17223.21226.16229.03231.81234.52237.15
AfH°
]_. ,-;
-45.9-45.9-48.1-49.9-51.4-52.6-53.6-54.4-55.0-55.4-55.8-55.9-56.0-56.0-55.9-55.7-55.5
Boiling
A^o
A£6°
L
-16.4-16.2-5.9
4.815.927.238.750.361.973.785.497.2109.0120.8132.5144.3156.1
T
Molar Vol. 2478H298~H5 10. 045 kJ 24789
Log Kf
2.872.820.78
-0.50-1.38-2.03-2.53-2.92-3.24-3.50-3.72-3.91-4.07-4.21-4.33-4.43-4.53
K
kJ
.97 J-bar*1
.7 on3
11/18/92
122 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ACANTHITE (ARGENTITE) Formula wt 247.802
Ag2S: Monoclinic crystals 298.15 to 451.3 K; cubic crystals (argentite) 451.3 to 865 K. y phase 865 to 1000 K. Reference state for sulfur is orthorhombic sulfur.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000
CP
75.3175.3980.4787.2686.0384.8084.6980.3880.57
eoST
142.89143.35165.67193.79209.59222.75234.05244.84253.28
<Hf-H298 )/T
J-mol"1^"1 -
0.000.4619.7841.0848.6753.9157.7561.5363.38
-<GT-H298 )/T
142.89142.89145.89152.71160.92168.84176.30183.31189.90
AfH°
kJ
-32.0-32.0-34.0-30.5-30.7-31.0-31.3-84.1-83.8
AfG°
mol"1
-39.7-39.7-42.2-44.7-47.5-50.3-53.0-54.7-51.5
Log Kf
6.956.925.524.674.143.753.463.172.69
Melting T
H298~H8
kJ
17.132 kJ
Boiling T
Molar Vol.
K
kJ
3.419 J-bar'1 34.19 cm3
9/30/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 123
REALGAR Formula wt 106.988
AsS: Monoclinic crystals 298.15 to melting point 580 K; liquid 580 to 800 K. Reference state for sulfur is orthorhombic sulfur.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800
CP ST <Hf-H298 )/T
*r - _1 1 - «r 1
-<Gf-H298 )/T
47.0247.0849.3251.1867.1271.4877.50
63.5063.8077.6888.88
110.35121.00130.90
0.000.2912.2919.8836.8441.4645.57
63.5063.5165.3969.0073.5179.5485.33
AfH° AfG°
kJ-mol"1
Log Kf
-30.9-30.9-33.2-34.6-28.7-27.8-26.3
-29.6-29.6-29.1-27.9-26.7-26.4-26.3
5.195.163.802.922.331.971.72
Melting T
Aft.H'
580 K
6.668 kJ
kJ
Boiling T
Molar Vol.
K
kJ
2.980 J-bar'1 29.80 cm3
9/30/92
124 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
GREENOCKITE Formula wt 144.477
CdS: Cubic crystals 298.15 to 1100 K. Reference state for sulfur is orthorhombic sulfur.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
10001100
cp
47.3047.3649.4650.7051.6852.5553.3754.1654.9355.67
cOST
72.1872.4786.4297.60106.93114.96122.03128.37134.11139.38
<HT-H298 )/T
J-mol"1 -*"1 -
0.000.29
12.3519.9025.1228.9831.9834.4036.4138.13
-<GT-H298 )/T
72.1872.1874.0777.6981.8185.9990.0693.9797.70101.25
AfH°
1. T
-149.6-149.6-152.0-153.7-161.2-162.3-163.2-217.1-216.5-314.8
AfG°
-146.1-146.1-144.8-142.8-140.5-136.9-133.2-128.4-118.5-102.9
Log Kf
25.6025.4418.9114.9212.2310.228.707.456.194.89
Melting T
H298~H5
kJ
8.818 kJ
Boiling T
Molar Vol
K
kJ
2.993 J-bar'1 29.93 cm3
9/30/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 125
CATTIERITE Formula wt 123.065
0082: Cubic crystals 298.15 to 1000 K. Reference state for sulfur is orthorhombic sulfur,
FORMATION FROM THE ELEMENTS
Temp.
298.153004005006007008009001000
CP
68.2668.3974.2878.6382.3885.8589.1692.3895.55
COST
74.8075.2295.76
112.82127.50140.46152.14162.83172.72
(HT-H298 )/T -(GT-H$98 )/T AfH°
J-mol"1 ^""1
0.000.42
18.2029.8738.3144.8650.1954.7058.63
74.8074.8077.5682.9689.1895.60101.95108.13114.10
kJ
-150.9-150.9-155.5-158.5-160.5-161.8-163.1-269.8-267.7
AfG°
mol'1
-145.1-145.1-143.0-139.5-135.5-131.2-126.7-120.0-103.5
Log Kf
25.4225.2618.6714.5711.809.798.276.975.41
Melting T K
kJ
12.301 kJ
Boiling T
Molar Vol
K
kJ
2.552 J-bar'1 25.52 cm3
9/30/9!
126 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COVELLITE Formula wt 95.612
CuS; Hexagonal crystals 298.15 to 800 K. Reference state for sulfur is orthorhombic sulfur,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800
CP
47.5347.5950.2952.6254.8256.9459.03
COST
67.4067.6981.7793.24
103 . 03111.64119.38
<HT-H298 )/T
J-aiol"1 -*'1 -
0.000.2912.4720.2725.8430.1433.62
-<Gf-H298 )/T
67.4067.4069.3072.9877.1981.5185.77
A£H°
kJ
-54.6-54.6-56.8-58.1-59.0-59.4-59.5
AfG°
-55.3-55.3-55.4-54.9-54.2-53.3-52.4
Log Kf
9.689.627.235.744.723.983.42
Melting T 7801 K
kJ
9.45 kJ
Boiling T
Molar Vol.
K
kJ
2.042 J-bar'1 20.42 cm3
9/30/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES
CHALCOCITE Formula wt 159 .158
Orthorhombic crystals 298.15 to 376 K; hexagonal crystals 376 to 710 K; cubic crystals 710 to melting point 1403 K. Reference state for sulfur is orthorhombic sulfur.
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100120013001400
cp
76.8477.0198.8395.3192.3089.7982.7682.5085.0285.0285.0285.0285.02
ST
116.20116.67151.07172.84189.93203.97216.94226.66235.65243.77251.17257.95264.23
(H*-HJ98,/T
J»mol "K
0.000.4731.1444.3352.5658.0662.8565.0467.0268.6870.0371.7172.15
-<GT-H298 )/T
116.20116.20119.93128.51137.37145.91154.09161.62168.63175.09181.14186.24192.08
A£H°
UT
-83.9-83.9-81.1-80.5-79.9-79.5-78.5-132.1-131.1-130.3-129.7-128.7-155.6
A£G°
mol"1
-89.2-89.2-91.3-93.9-96.7-99.5
-102.5-104.5-101.5-98.6-95.7-92.2-89.2
Log Kf
15.6215.5311.929.818.427.436.696.065.304.684.173.713.33
Melting T
H298~H8
1403 K
kJ
15.80 kJ
Boiling T
Molar Vol
K
kJ
2.748 J-bar^ 27.48 cm3
9/30/92
128 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
CHALCOPYRITE Formula wt 183.525
CuFeS2 : Tetragonal crystals 298.15 to 820 K; tetragonal crystals 820 to 930 K; cubic crystals 930 to 1200 K. Reference state for sulfur is orthorhombic sulfur. Above 820 K, the phase is called ISS (intermediate solid solution).
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
100011001200
flOcp
95.8096.24106.26109.15114.53123.84136.83203.75172.49172.49172.49
COST
124.90125.49155.01179.02199.34217.64234.99264.70285.00301.44316.45
<H*-HS98,/T
0.000.59
26.1542.4553.9763.2471.5991.48
101.42107.88113.27
-<GT-H298 )/T
124.90124.90128.86136.57145.38154.41163.40173.22183.58193.56203.18
A£H°
1. T
-194.9-194.9-199.0-201.5-203.2-204.0-203.8-298.0-290.2-285.3-279.8
AfG°
-195.1-195.1-195.0-193.8-192.1-190.1-188.2-185.0-173.0-161.5-150.6
Log Kf
34.1833.9725.4720.2416.7214.1912.2910.749.047.676.55
Melting T K Boiling T K
kJAft.H 0 kJ
H298~H8 18.34 kJMolar Vol. 4.392 J'bar"1
43.92 cm3
9/30/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 129
BORNITE Formula wt 501.841
Cu5FeS4 : Orthorhombic crystals 298.15 to 470 K; cubic crystals 470 to 535 K; cubic crystals 535 to 1200 K. Reference state for sulfur is orthorhombic sulfur.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200
CP
242.90243.20260.60369.45327.89323.50325.20327.30332.90340.00348.30
ST
398.50400.00472.40549.41615.63665.90709.20747.53782.29814.34844.27
(H*-H298,/T
--I -1
0.001.50
64.09121.22161.33184.73202.19215.89227.29237.21246.12
-<GT-H298 )/T
398.50398.50408.31428.19454.30481.17507.01531.64555.00577.13598.15
A£H°
kJ-m
-371.6-371.6-379.9-376.3-370.6-368.2-365.8-576.1-569.5-563.5-556.7
A£G°
ol~
-394.7-394.8-402.3-407.9-414.9-422.6-430.5-434.4-419.1-404.3-390.1
Log Kf
69.1568.7552.5442.6236.1231.5328.1125.2121.8919.2016.98
Melting T
H298~H6
kJ
53.011 kJ
Boiling T
Molar Vol
K
kJ
9.873 J-bar4 98.73 cm3
9/30/92
130 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
TROILITE Formula wt 87.913
FeS: Hexagonal crystals (NiAs structure) 298.15 to a complex transition at 411 K and a Neel temperature at 590 K; paramagnetic 590 to melting point at 1468 K; liquid 1468 to 1800 K. Reference state for sulfur is orthorhombic sulfur.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Aft»H°
H2*98~H6
CP
50.4950.6470.0272.0667.3358.1357.7358.6560.6462.0062.9963.9964.9971.1371.1371.1371.13
32.
9
ST
60.3060.6276.87
102.86116.98126.32134.00140.86147.13152.82158.17163.32168.22194.95199.51203.82207.88
1468 K
34 kJ
.351 kJ
(Hf-H298 )/T
J-mol'^K'1 -
0.000.31
14.4434.2941.5244.2345.9047.2748.4949.5250.5251.5652.6075.2074.9474.7274.52
-<GT-H2 98 )/T
60.3060.3162.4368.5775.4682.0988.1093.5998.64
103.30107.65111.76115.62119.75124.57129.10133.36
AfH°
-102.6-102.6-104.1-99.5-98.4-99.1
-100.1-154.6-155.3-156.8-157.5-156.5-155.3-121.7-120.3-119.8-119.0
AfG°
I 1
-102.9-102.9-103.0-103.6-104.5-105.5-106.3-106.0-100.6-95.0-89.3-83.7-78.2-73.4-70.2-67.1-64.0
Boiling T
AV*H°
Molar Vol. 1.18.
Log Kf
18.0317.9213.4610.839.107.876.946.155.254.513.893.362.922.562.292.061.86
K
kJ
820 J-bar'120 cm3
2/17/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 131
PYRRHOTITE Formula wt 80.932
Fe .875S: Monoclinic crystals 298.15 to combined structural and magnetic transition at 590 K; hexagonal crystals (Ni-As-type) 590 to 1000 K. Reference state for sulfur is orthorhombic sulfur.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000
c° CP
49.8850.0156.2463.5667.3565.3057.4257.1958.38
ST
60.7060.7076.2889.57104.51114.53122.64129.39135.46
(HT-H298 )/T -(GT-H298 )/T AfH°
J-mol^-K"1
0.000.31
13.5322.7632.4737.3740.2842.1743.71
60.7060.3962.7566.8172.0477.1682.3687.2291.75
UT
-97.5-97.4-99.0-99.5-97.7-97.2-97.6
-151.6-151.9
A£G°
mol""1
-98.9-98.8-99.4-99.5-99.8
-100.0-100.3-99.6-93.8
Log Kf
17.3317.2112.9810.398.697.466.555.784.90
Melting T
H298"H8
kJ
9.21 kJ
Boiling T K
Av^H0 kJ
Molar Vol. 1.749 J'bar'1 17.49 cm3
1/13/93
132 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
PYRITE Formula wt 119.979
FeS2 : Cubic crystals 298.15 to 1000 K. Reference state for sulfur is orthorhombic sulfur.
FORMATION FROM THE ELEMENTS
Temp.
K
CP ST (HT-H298 )/T -<GT-H298 )/T AfH° AfG° Log Kf
298.153004005006007008009001000
62.1762.3969.1571.9573.9375.9078.1080.5783.29
52.9053.2972.3488.10
101.39112.94123.21132.55141.18
0.000.38
16.8827.6435.2040.8745.3849.1552.43
52.9052.9055.4560.4566.2072.0777.8383.4088.75
-171.5-171.6-176.7-180.4-183.3-185.9 ,-188.2-296.8-297.1
-160.1-160.1-155.9-150.3-144.0-137.3-130.2-120.6-101.1
28.0527.8720.3615.7012.5410.248.507.005.28
Melting T
H298~H8
1015i K
kJ
9.63 kJ
Boiling T
Molar Vol
K
kJ
2.394 J-bar'1 23.94 cm3
9/30/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 133
MARCASITE Formula wt 119.979
PeS2 : Orthorhombic crystals 298.15 to 700 K. Reference state for sulfur is orthorhombic sulfur.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700
°p
62.4362.6069.1772.4474.5977.00
COST
53.9054.2973.3189.13102.53114.20
<HT-H298 )/T
J-mol^-K"1 -
0.000.3916.8627.6835.3241.10
-(GT-H298 )/T
53.9053.9056.4561.4567.2173.11
A£H°
kJ
-169.5-169.5-174.7-178.3-181.2-183.7
AfG°
mol"1
-158.4-158.3-154.3-148.8-142.6-136.0
Log Kf
27.7527.5620.1515.5412.4110.14
Melting T
kJ
9.74 kJ
Boiling T
Molar Vol
K
kJ
2.458 J-bar 1 24.58 cm3
3/6/92^
134 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
HYDROGEN SULFIDE Formula wt 34.082
H2S: Ideal gas at p sulfur.
1 bar, 298.15 to 1800 K. Reference state for sulfur La orthorhombic
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
A^0
CP
34.2034.2135.4837.2239.0540.8542.5844.2145.7247.1348.4149.5850.6251.5552.3553.0453.60
COST
205.80206.01216.01224.11231.05237.21242.78247.89252.63257.05261.21265.13268.84272.37275.72278.92281.96
K
kJ
/tlO__UQ V /fit^ *lm tin QQ / / A
J-mol'^-K'1 -
0.000.218.8514.3518.3121.4023.9426.1127.9929.6731.1832.5533.8034.9636.0237.0037.91
-(G*-H298)/T
205.80205.80207.15209.76212.74215.81218.83221.78224.63227.38230.03232.58235.04237.41239.70241.91244.06
AfH°
kJ-mol"1
-20.6-20.6-24.7-27.9-30.6-32.9-34.9-89.7-90.1-90.4-90.6-90.7-90.8-90.8-90.8-90.8-90.7
Boiling
Av*H°
AfG°
-33.4-33.5-37.5-40.3-42.5-44.3-45.8-46.0-41.1-36.2-31.3-26.3-21.4-16.4-11.5-6.5-1.6
T
Molar Vol. 2478H298-H& 9.96 kJ 24789
Log Kf
5.865.844.894.213.703.312.992.672.151.721.361.060.800.570.370.200.05
K
kJ
.97 J«bar'!
.7 cm3
9/30/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 135
ALABANDITE Formula wt 87.004
MnS: Cubic crystals 298.15 to 1800 K. Reference state for sulfur is orthorhombic sulfur,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Aft»H°
°P
49.9849.9951.1052.1452.8353.2553.5553.8454.2154.7355.4456.3957.6059.1060.9163.0465.51
Sf
80.3080.6195.13
106.65116.22124.40131.53137.85143.55148.74153.53158.00162.22166.24170.11173.87177.54
K
kJ
(Hf-H2 98 )/T
J-mol'^K""1 -
0.000.31
12.8620.6225.9329.8132.7635.0836.9838.5639.9441.1742.3043.3644.4045.4346.48
-<Gf-H2 98 )/T
80.3080.3082.2786.0490.2994.5998.78
102.77106.57110.17113.59116.83119.93122.88125.71128.43131.06
A £H°
-213.9-213.9-216.2-217.9-219.3-220.6-221.9-276.3-278.7-278.9-279.1-279.3-281.7-284.2-296.9-297.3-297.4
Boiling
Av*H°
AfG°
1
-218.7-218.8-220.3-221.2-221.7-222.0-222.1-220.9-214.7-208.3-201.9-195.5-188.9-182.2-174.7-167.0-159.4
T
Molar Vol. 2.H598-H8 kJ 21.
Log Kf
38.3238.0928.7723.1019.3016.5614.5012.8211.229.898.797.857.056.345.705.134.62
K
kJ
146 J'bar'146 cm3
9/30/92
136 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MOLYBDENITE Formula wt 160.072
t Hexagonal crystals 298.15 to 1200 K. Reference state for sulfur is orthorhombic sulfur.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200
CP
63.5163.6368.4571.5873.7775.3576.5477.4478.1278.6579.04
ST
62.6062.9982.0197.65
110.90122.40132.54141.61149.81157.28164.14
(Hf-H298)/T
-1-1
0.000.3916.8527.5035.0440.6945.1048.6551.5654.0056.07
-<Gf-H298)/T
62.6062.6065.1670.1475.8681.7087.4492.9698.24103.28108.07
AfH°
1_ T
-271.8-271.8-276.8-280.2-282.7-284.6-286.2-393.7-392.5-391.3-390.1
A£6°
mol'1
-262.8-262.7-259.5-254.7-249.4-243.7-237.7-229. 5-211.3-193.2-175.3
Log Kf
46.0445.7533.8826.6121.7118.1815.5213.3211.039.177.63
Melting T
H298~H8
kJ
8.82 kJ
Boiling T
Molar Vol.
K
kJ
3.202 J'bar'1 32.02 cm3
9/30/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 137
MILLERITE Formula wt 90.756
NiS: Rhombohedral crystals 298.15 to 623 K; hexagonal crystals 623 to melting point 1066 K. Reference state for sulfur is orthorhombic sulfur.
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100
CP
47.1147.2450.7953.6856.2759.4562.5565.6568.7471.13
ST
52.9753.2667.3679.0489.04102.68110.79118.37125.44159.58
(H*-H298>/T
0.000.2912.5520.4226.2234.9138.1841.0543.6872.73
-<Gf-H298 )/T
52.9752.9754.8158.6262.8267.7772.6177.3281.7686.85
AfH°
1. T
-91.0-91.0-93.4-95.1-96.4-94.4-94.6
-147.6-145.9-114.7
A£6°
mol"1
-88.3-88.3-87.3-85.6-83.6-81.7-80.3-77.0-69.2-62.5
Log Kf
15.4715.3811.408.947.276.105.244.473.612.97
Melting T 1066 K Boiling K
kJ
H§98~H8
kJ
8.47 kJMolar Vol. 1.689 J-bar'1
16.89 cm3
9/30/92
138 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
HEAZLEWOODITE Formula wt 240.202
Ni3S2 : Hexagonal crystals 298.15 to 834 K; cubic crystals 834 K to incongruent melting point 1064 K; liquid 1064 to 1400 K. Reference state for sulfur is orthorhombic sulfur.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
10001100120013001400
Melting T
A*.**'
cp
118.24118.45129.01136.05141.59148.35158.39189.15191.81189.12189.12189 . 12189.12
19
ST
133.20133.93169.52199.12224.42246.72267.14355.52375.52411.84428.28443.42457.44
1064 K
.66 kJ
(Hf-H298 )/T
_ ,-1 _-l
0.000.7331.5451.7966.2977.5186.95159.38162.41182.56183.11183.57183.97
-<Gf-H298 )/T
133.20133.20137.98147.34158.12169.22180.20196.14213.11229.28245.17259.85273.47
A£H°
k_ .-
-216.3-216.3-221.3-224.7-227.8-230.1-230.5-278.4-272.8-247.9-242.7-237.9-233.3
Boiling
AfG°
1
-210.2-210.1-207.8-204.1-199.7-194.8-191.1-187.1-177.3-168.7-161.7-155.1-148.9
T
Molar Vol. 4.H2*98~H8 21.50 kJ 40.
Log Kf
36.8236.5927.1421.3217.3814.5312.4810.869.268.017.036.235.56
K
kJ
095 J'bar'195 cm3
9/30/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 134
GALENA Formula wt 239.26
PbS: Cubic crystals 298.15 to 900 K. Reference state for sulfur is orthorhombic sulfur.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
CP
49.4949.5251.1652.8054.4456.0857.7259.36
COST
91.7092.01106.48118.07127.84136.36143.95150.84
<Hf-H298 )/T
J-mol'^K"1 -
0.000.3112.8120.6526.1430.3033.6336.40
-<Gf-H298 )/T
91.7091.7093.6697.42101.70106.05110.32114.45
AfH°
1. T
-98.3-98.3
-100.6-102 . 1-103.3-109.0-109.5-162.9
AfG°
-96.8-96.8-96.1-94.9-93.3-90.8-88.1-84.3
Log Kf
16.9516.8512.559.918.126.775.754.90
Melting T
H (fusion)
H298~H8
1400 K
kJ
11.51 kJ
Boiling T K
kJ
Molar Vol. 3.149 J'bar'f31.49 cm*
9/30/9:
140 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
STIBNITE Formula wt 339.698
Sb2S3 : Orthorhombic crystals 298.15 to 900 K. Reference state for sulfur is orthorhombic sulfur.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
CP
119.75119.81123.38126.46128.94130.92132.51133.80
0OST
182.00182.74217.70245.58268.86288.89306.48322.17
<HT-H298)/T
J-mol'^K"1 -
0.000.74
30.9649.7662.7672.3679.7885.72
-<Gf-H298 )/T
182.00182.00186.74195.82206.10216.53226.70236.45
AfH°
kJ
-151.4-151.4-158.1-162.7-166.0-168.6-170.8-332.2
A£6°
mol"1
-149.8-149.8-149.0-146.3-142.7-138.6-134.1-126.2
Log Kf
26.2526.0919.4615.2812.4210.348.767.33
Melting T 829 K
kJ
H298~H8 kJ
Boiling T
Molar Vol.
K
kJ
7.341 J-bar' 73.41 cm3
10/1/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 141
HERZENBERGITE Formula wt 150.776
SnS: Orthorhombic crystals 298.15 to 875 K; cubic crystals 875 to melting point 1153 K. Liquid 1153 to 1300 K. Reference state for sulfur is orthorhombic sulfur.
FORMATION FROM THE ELEMENTS
Temp.
298.153004005006007008009001000110012001300
Melting T
H298~H8
CP
49.2549.3250.8752.0254.5158.4063.5054.0457.0760.1175.6175.61
31
ST
77.0077.3091.76
103.22112.91121.50129.71137.47143.32148.90181.98188.03
1153 K
.59 kJ
kJ
<Hf-H298)/T
1-1--1
0.000.3012.8120.5225.9630.3034.1237.8139.5941.3269.6470.10
-<Gf-H298 )/T
77.0077.0078.9582.7086.9591.2095.5999.66103.73107.58112.34117.93
A£H° A£G°
V TfmrO ""1
-106.5 -104.6-106.5 -104.6-108.9 -103.9-110.6 -102.5-119.0 -99.3-119.6 -96.0-119.5 -92.7-171.8 -88.1-170.9 -78.9-169.7 -69.7-136.3 -62.0-133.5 -55.9
Boiling T
Molar Vol. 229
Log K£
18.3318.2213.5710.708.657.166.055.114.123.312.702.25
K
kJ
.901 J'bar'1
. 01 cm3
10/1/92
142 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
BERNDTITE Formula wt 182.842
SnS2 : Hexagonal crystals 298.15 to 1000 K. sulfur.
Reference state for sulfur is orthorhombic
FORMATION FROM THE ELEMENTS
Temp.
K
298.153004005006007008009001000
CP
70.1270.1772.0573.5275.1977.1379.3381.7484.33
ST
87.5087.93108.41124.64138.19149.92160.36169.84178.59
(Hf-H298 )/T
_1 -1
0.000.43
18.1329.0636.6042.2546.7550.5053.75
-(Gf-H$98 )/T
87.5087.5090.2895.58
101.59107.67113.61119.34124.84
AfH°
1. T
-149.8-149.8-154.7-158.2-168.1-170.0-171.4-278.6-276.9
AfG°
mol"1
-141.5-141.5-138.4-134.0-127.5-120.6-113.5-104.0-84.7
Log Kf
24.7924.6318.0814.0011.109.007.416.044.42
Melting T
H2*98~H8
kJ
kJ
Boiling T
Molar Vol
K
kJ
4.096 J-bar'1 40.96 cm3
10/1/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 143
TUNGSTENITE Formula wt 247.982
WS2 : Hexagonal crystals 298.15 to 1500 K. sulfur.
Reference state for sulfur is orthorhombic
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200130014001500
CP
63.8363.9969.6772.4174.0175.0975.9076.5777.1677.7178.2478.7679.2979.83
ST
67.8068.2087.50103.37116.72128.22138.30147.28155.38162.76169.54175.82181.68187.17
J-mol'^K"1 -
0.000.3917.1027.9235.4841.0645.3748.8051.6153.9555.9657.6959.2160.57
-(GT-H|98 )/T
67.8067.8070.3975.4581.2587.1592.9398.48
103.77108.80113.58118.13122.47126.60
AfH°
1. T
-241.6-241.6-246.5-249.8-252.2-254.1-255.6-363.1-361.9-360.6-359.4-358.2-357.0-355.8
AfG°
mol'1
-233.0-232.9-229.8-225.2-220.0-214.5-208.8-200.7-182.7-164.9-147.1-129.5-111.9-94.5
Log Kf
40.8140.5530.0023.5319.1616.0113.6311.659.547.836.405.204.183.29
Melting T
H298~H8
K
kJ
11.01 kJ
Boiling T K
A^0 kJ
Molar Vol. 3.207 J 32.07 cor
10/1/92
144 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
SPHALERITE Formula wt 97*456
ZnS: cubic crystals 298.15 K to 1300 K. Reference state for sulfur is orthorhombic sulfur,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000110012001300
CP
45.7645.8248.3049.9351.1252.0452.7953.4253.9654.4354.8555.23
Sf
58.7058.9872.5383.5092.71
100.66107.66113.92119.57124.74129.49133.90
(HT-H298)/T
_1 «1
0.000.2812.0019.4324.6228.4731.4733.8735.8537.5238.9540.19
-<GT-H298 )/T
58.7058.7060.5364.0668.0972.1976.1980.0483.7287.2290.5493.71
AfH°
1_T
-204.1-204.1-206.6-208.3-209.6-218.0-219.1-273.2-272.8-272.4-387.1-385.6
AfG°
mol'1
-199.6-199.6-198.0-195.6-193.0-190.1-186.0-180.7-170.4-160.2-148.1-128.2
Log Kf
34.9734.7525.8520.4416.8014.1812.1410.498.907.616.455.15
Melting T K
kJ
8.82 kJ
Boiling T
Molar Vol.
K
kJ
2.383 J'bar'1 23.83 cm3
10/1/92
THERMODYN AMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 145
WURTZITE Formula wt 97.456
ZnS: Hexagonal crystals 298.15 to 1300 K, sulfur.
Reference state for sulfur is orthorhombic
FORMATION FROM THE ELEMENTS
Temp.
298.153004005006007008009001000110012001300
CP
45.8945.9648.7250.1351.0951.8652.5553.2153.8654.5055.1555.80
8}
58.8059.0872.7483.7793.00
100.94107.91114.13119.77124.94129.71134.15
<HT-H298)/T
J-mol'^K'1 -
0.000.28
12.0919.5724.7528.5731.5233.9035.8637.5238.9740.24
-(Ofr.HJ9,)/l
58.8058.8060.6464.2068.2572.3776.3880.2483.9187.4190.7493.91
AfH°
kJ
-203.8-203.8-206.2-207.9-209.2-217.7-218.8-272.9-272.5-272.1-386.8-385.2
A£6°
mol"1
-199.4-199.3-197.7-195.4-192.8-189.8-185.8-180.6-170.3-160.1-148.0-128.2
Log Kf
34.9334.7125.8220.4116.7814.1712.1310.488.907.606.445.15
Melting T K
kJ
8.85 kJ
Boiling T K
A^0 kJ
Molar Vol. 2.385 J-bar'1 23.85 cm3
10/1/92
146 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
BERTHIERITE Formula wt 427.611
FeSb2S4 : Orthorhombic crystals 298.15 to 836 K. Reference state for sulfur is orthorhombic sulfur.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
°p
175.23175.60186.17189.05190.44191.92193.91196.48
Sf
245.00246.09298.40340.31374.90404.37430.12453.10
(Hf-H$98 )/T
1-1. K'1
0.001.08
46.3374.6493.83
107.73118.37126.91
-(GT-H$98 )/T
245.00245.00252.06265.67281.07296.63311.74326.20
AfH°
kJ
-256.2-256.2-264.1-269.1-272.9-276.0-279.0-494.4
AfG°
mol"1
-255.8-255.8-255.4-252.8-249.1-244.9-240.2-230.9
Log K£
44.8144.5433.3626.4021.6918.2715.6813.40
Melting T
kJ
kJ
Boiling T
Molar Vol.
K
kJ
9.222 J'bar'1 92.22 cm3
2/17/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 147
CHALCOSTIBITE Formula wt 249.428
CuSbS2 : Orthorhombic crystals 298.15 tO 826 K. sulfur.
Reference state for sulfur is orthorhombic
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
CP
100.15100.22104.26108.30112.34116.38120.42124.46
ST
149.20149.82179.20202.90223.01240.63256.43270.85
(Hf-H298)/T
J-mol"1 ^'1 -
0.000.62
26.0242.0753.4562.1569.1875.10
-<GT-H298 )/T
149.20149.20153.18160.83169.56178.48187.25195.75
A£H°
kJ
-130.8-130.8-134.8-137.2-138.7-139.3-139.5-245.5
A£6°
-132.7-132.7-133.3-132.6-131.5-130.3-129.0-125.5
Log Kf
23.2523.1117.4013.8511.459.728.427.29
Melting T 826 K
kJ
H2*98~H6 kJ
Boiling T
Molar Vol
K
kJ
5.006 J*bar'! 50.06 cm3
2/17/93
148 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ACANTHITE (ARGENTITE) Formula wt 247.802
Ag2S: Monoclinic crystals 298.15 to 451.3 K; cubic crystals (argentite) 451.3 to 865 K. y phase 865 to 1000 K. Reference state for sulfur is ideal S2 gas at p = 1 bar.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000
cp
75.3175.3980.4787.2686.0384.8084.6980.3880.57
COST
142.89143.35165.67193.79209.59222.75234.05244.84253.28
<H*-H298)/T
J-mol'^K'1 -
0.000.46
19.7841.0848.6753.9157.7561.5363.38
-<Ofr.HS98 )/T
142.89142.89145.89152.71160.92168.84176.30183.31189.90
AfH°
kJ-
-96.3-96.3-95.3-89.6-88.1-86.7-85.7-84.1-83.8
AfG°
mol"1
-79.5-79.4-73.9-69.2-65.3-61.6-58.1-54.7-51.5
Log Kf
13.9313.839.657.235.684.603.793.172.69
Melting T
H2*98~H8
kJ
17.132 kJ
Boiling T
Molar Vol
K
kJ
3.419 J-bar'1
34.19 cm3
A« -8.355E+01 B* 3.273E-02 O -5.14E+05
9/24/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 149
REALGAR Formula wt 106.988
AsS: Monoclinic crystals 298.15 to melting point 580 K; liquid 580 to 800 K. Reference state for sulfur is ideal 82 gas at p = 1 bar.
Temp.
298.15300400500600700800
CP eo /uo_uo * /*!* _//"*o_uo \ /«P om {iim **298 » » \^*T 298''
FORMATION FROM THE ELEMENTS
A£H° A£G° Log Kf
47.0247.0849.3251.1867.1271.4877.50
63.5063.8077.6888.88110.35121.00130.90
0.000.29
12.2919.8836.8441.4645.57
63.5063.5165.3969.0073.5179.5485.33
-95.2-95.2-94.5-93.8-86.0-83.6-80.7
-69.5-69.3-60.8-52.4-44.5-37.7-31.4
12.1712.077.945.483.872.822.05
Melting T
H298~H5
580 K
6.668 kJ
kJ
Boiling T
Molar Vol
K
kJ
2.980 J-bar1 29.80 cm3
-84.07 B= 0.06734 C« -4.98E+05
3/25/9:!
150 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
GREENOCKITE Formula wt 144.477
CdS: Cubic crystals 298.15 to 1100 K. Reference state for sulfur is ideal S2 gas at p = 1 bar.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
10001100
°P
47.3047.3649.4650.7051.6852.5553.3754.1654.9355.67
ST i
72.1872.4786.4297.60
106.93114.96122.03128.37134.11139.38
(Hf-H298 ,/T
.-!_-!
0.000.2912.3519.9125.1228.9831.9834.4036.4138.13
-<GT-H298)/T
72.1872.1874.0777.6981.8185.9990.0693.9797.70101.25
AfH°
1r T
-213.9-213.9-213.4-212.8-218.6-218.1-217.6-217.1-216.5-314.8
A£6°
mol"1
-186.0-185.8-176.5-167.4-158.2-148.2-138.3-128.4-118.5-102.9
Log Kf
32.5832.3523.0517.4813.7811.069.037.456.194.89
Melting T
H2*98~H5
kJ
8.81 kJ
Boiling T
Molar Vol
K
kJ
2.993 J-bar'1 29.93 cm3
-2.177E+02 B= 9.880E-02 C= 2.109E+05
9/24/92
THERMOD YNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 151
CATTIERITE Formula wt 123.065
CoS2 : Cubic crystals 298.15 to 1000 K. Reference state for sulfur is ideal S2 gas at p - 1 bar.
FORMATION FROM THE ELEMENTS
Temp.
298.153004005006007008009001000
CP
68.2668.3974.2878.6382.3885.8589.1692.3895.55
ST
74.8075.2295.76
112.82127.50140.46152.14162.83172.72
(HT-H§98)/T
J«mol"~*«K~* -
0.000.4218.2029.8738.3144.8650.1954.7058.63
-<GT-H298 )/1
74.8074.8077.5682.9689.1895.60
101.95108.13114.10
AfH°
.... kJT
-279.5-279.5-278.2-276.8-275.1-273.4-271.9-269.8-267.7
AfG°
mol"1
-224.8-224.5-206.3-188.5-171.0-153.8-136.8-120.0-103.5
Log Kf
39.3839.0826.9419.6914.8911.488.936.975.41
Melting T
H598~H8
kJ
12.30 kJ
Boiling T
Molar Vol
K
kJ
2.552 J-bar'1
25.52 cm3
A» -2.710E+02 B» 1.682E-01 O -3.57E+05
3/26/92
152 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COVELLITE Formula wt 95.612
CuS: Hexagonal crystals 298.15 to 800 K. Reference state for sulfur is ideal 82 gas at p « 1 bar.
FORMATION FROM THE ELEMENTS
Temp. cP sf (Hf-H298 )/T -(GT-H2* 98 )/T AfH°
kJ-mol"1
A£6° Log Kf
298.15300400500600700800
47.5347.5950.2952.6254.8256.9459.03
67.4067.6981.7793.24103.03111.64119.38
0.000.2912.4720.2725.8430.1433.62
67.4067.4069.3072.9877.1981.5185.77
-118.9-118.9-118.1-117.3-116.3-115.2-113.9
-95.1-95.0-87.1-79.4-71.9-64.6-57.5
16.6616.5311.378.306.264.823.75
Melting T
H298"H5
7801 K
kJ
9.45 kJ
Boiling T
Molar Vol
K
kJ
2.042 J-bar'1 20.42 cm3
A« -1.148E+02 B» 7.208E-02 O -1.60E+05
3/26/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 153
CHALCOCITE Formula wt 159.158
Cu28: Orthorhombic crystals 298.15 to 376 K; hexagonal crystals 376 to 710 K; cubic crystals 710 to melting point 1403 K. Reference state for sulfur is ideal S2 gas at p = 1 bar.
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100120013001400
CP
76.8477.0198.8395.3192.3089.7982.7682.5085.0285.0285.0285.0285.02
ST
116.20116.67151.07172.84189.93203.97216.94226.66235.65243.77251.17257.95264.23
(Hf-HJ98 )/T
-1-1
0.000.4731.1444.3352.5658.0662.8565.0467.0268.6870.0371.7172.15
-(OJ-HJ98 )/1
116.20116.20119.93128.51137.37145.91154.09161.62168.63175.09181.14186.24192.08
AfH°
1> T
-148.2-148.2-142.5-139.7-137.3-135.3-132.9-132.1-131.1-130.3-129.7-128.7-155.6
AfG°
mol"1
-129.1-129.0-123.0-118.5-114.5-110.8-107.6-104.5-101.5-98.6-95.7-92.2-89.2
Log Kf
22.6122.4516.0612.389.978.277.026.065.304.684.173.713.33
Melting T
H298~H8
1403 K
kJ
15.80 kJ
Boiling T
Molar Vol.
K
kJ
2.748 J'bar'1 27.48 cm3
A« -1.304E+02 B- 2.957E-02 0 -6.73E+05
01/13/9]
154 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
CHALCOPYRITE Formula wt 183.525
CuFeS2 : Tetragonal crystals 298.15 to 820 K; tetragonal crystals 820 to 930 K; cubiccrystals 930 to 1200 K. Reference state for sulfur is ideal S2 gas at p = 1 bar, Above 820 K, phase is called ISS (intermediate solid solution).
FORMATION FROM THE ELEMENTS
Temp.
K
cp ST (Hf-H298 )/T -(GT-H298 )/T AfH° AfG°
kJ-mol"1
Log Kf
298.15300400500600700800900
100011001200
95.8096.24
106.26109.15114.53123.84136.83203.75172.49172.49172.49
124.90125.49155.01179.02199.34217.64234.99264.70285.00301.44316.45
0.000.59
26.1542.4553.9763.2471.5991.48101.42107.88113.27
124.90124.90128.86136.57145.38154.41163.40173.22183.58193.56203.18
-323.5-323.5-321.7-319.8-317.9-315.6-312.6-298.0-290.2-285.3-279.8
-274.8-274.5-258.4-242.8-227.6-212.7-198.2-185.0-173.0-161.5-150.6
48.1447.7933.7425.3719.8115.8712.9410.749.047.676.55
Melting T
H298"H8
kJ
18.34 kJ
Boiling T
Molar Vol
K
kJ
4.392 J'bar'1 43.92 cm3
A= -2.9995E+02 1.2712E-01 O -1.19E+06
3/26/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 155
BORNITE Formula wt 501.841
Cu5FeS4 : Orthorhombic crystals 298.15 to 470 K; cubic crystals 470 to 535 K; cubiccrystals 535 to 1200 K. Reference state for sulfur is ideal $2 gas at p « 1 bar.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200
CP
242.90243.20260.60369.45327.89323.50325.20327.30332.90340.00348.30
ST
398.50400.00472.40549.41615.63665.90709.20747.53782.29814.34844.27
/tlO tjO \ Iff \tlrn **298 ' 1
_1 _1
0.001.50
64.09121.22161.33184.73202.19215.89227.29237.21246.12
-(Gf-H298 )/T
398.50398.50408.31428.19454.30481.17507.01531.64555.00577.13598.15
A£H°
1. T
-628.8-628.7-625.3-612.9-600.0-591.4-583.4-576.1-569.5-563.5-556.7
A£G°
mol"1
-554.1-553.6-529.1-506.0-485.9-467.7-450.6-434.4-419.1-404.3-390.1
Log K£
97.0796.3969.0952.8642.3034.9029.4225.2121.8919.2016.98
Melting T
H298~H8
kJ
53.01 kJ
Boiling T
Molar Vol
K
kJ
9.873 J-bar'1 98.73 cm3
-5.714B-t-02 B- 1.542E-01 C= -2.625B+06
3/26/92
156 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
TROILITE Formula wt 87.913
FeS: Hexagonal crystals (NiAs structure) 298.15 to a complex transition at 411 K and a Neel temperature at 590 K; paramagnetic 590 to melting point at 1468 K; liquid 1468 to 1800 K. Reference state for sulfur is ideal 82 gas at p = 1 bar.
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
A&.H 0
cp
50.4950.6470.0272.0667.3358.1357.7358.6560.6462.0062.9963.9964.9971.1371.1371.1371.13
32.
S o / T (
J
60.3060.6276.87
102.86116.98126.32134.00140.86147.13152.82158.17163.32168.22194.95199.51203.82207.88
1468 K
34 kJ
Hf-H598 )/T
mol^-lT1
0.000.3114.4434.2941.5244.2345.9047.2748.4949.5250.5251.5652.6075.2074.9474.7274.52
-<G*-H298 >/1
60.3060.3162.4368.5775.4682.0988.1093.5998.64103.30107.65111.76115.62119.75124.57129.10133.36
FORMATION
J AfH°
-166.9-166.9-165.5-158.7-155.8-154.9-154.5-154.6-155.3-156.8-157.5-156.5-155.3-121.7-120.3-119.8-119.0
Boiling
Av*H°
FROM THE ELEMENTS
A£6°
-1
-142.8-142.6-134.7-128.1-122.3-116.8-111.4-106.0-100.6-95.0-89.3-83.7-78.2-73.4-70.2-67.1-64.0
T
Molar Vol. 1.820H298~H8 9
A-
.351 kJ
-1.488E+02 B* 4.910E-02
18.20
Log Kf
25.0124.8317.5913.3910.658.717.276.155.254.513.893.362.922.562.292.061.86
K
kJ
J-bar'1cm3
O -8.05E+05
2/17/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 157
PYRRHOTITE Formula wt 80.932
Fe .875S: Monoclinic crystals 298.15 to combined structural and magnetic transition at 590 K; hexagonal crystal (NiAs-type) 590 to 1000 K. Reference state for sulfur is ideal S2 gas at p « 1 bar.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000
cp
49.8850.0156.2463.5667.3565.3057.4257.1958.38
ST
60.7060.7076.2889.57
104.51114.53122.64129.39135.46
/IlO_tlO \ /IP _/f O_tlQ \ /IP A HO(HT-H298//T -(Gip-HJgsJ/T AfH
J-mol'^-K"1
0.00
0.3113.5322.7632.4737.3740.2842.1743.71
60.7060.3962.7566.8172.0477.1682.3687.2291.75
i, T
-161.8-161.7-160.4-158.6-155.0-153.0-151.9-151.6-151.9
AfG°
mol"1
-138.8-138.5-131.1-124.0-117.5-111.2-105.4-99.6-93.8
Log Kf
24.3124.1217.1212.9510.238.306.885.784.90
Melting T
H298"H8
kJ
9.21 kJ
Boiling T
Molar Vol
K
1.749 J-bar'1 17.49 cm3
A- -1.513E+02 B- 5.811E-02 0 -4.30E+05
01/13/93
158 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
PYRITB Formula wt 119.979
FeS2 : Cubic crystals 298.15 to 1000 K. Reference state for sulfur is ideal S2 gas at p 1 bar.
FORMATION FROM THE ELEMENTS
Temp.
298.153004005006007008009001000
f o1ft
62.1762.3969.1571.9573.9375.9078.1080.5783.29
S o / T
52.9053.2972.3488.10101.39112.94123.21132.55141.18
IH*-HJ98) /T
0.000.3816.8827.6435.2040.8745.3849.1552.43
-(GT-H298 )/T
52.9052.9055.4560.4566.2072.0777.8383.4088.75
A£H°
kJ
-300.1-300.1-299.5-298.7-298.0-297.4-297.0-296.8-297.1
AfG°
mol'1
-239.8-239.4-219.3-199.3-179.5-159.8-140.2-120.6-101.1
Log Kf
42.0141.6928.6420.8215.6311.939.157.005.28
Melting T
H298"H8
10151 K
kJ
9.63 kJ
Boiling T
Molar Vol
K
kJ
2.394 J-bar"1 23.94 cm3
A= -2.967E+02 B= 1.958E-01 C= -1.36E-05
9/25/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 159
MARCASITE Formula wt 119.97$
Orthorhombic crystals 298.15 to 700 K. Reference state for sulfur is ideal 82 gas a' p » 1 bar.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700
CP
62.4362.6069.1772.4474.5977.00
ST
53.9054.2973.3189.13102.53114.20
(Hf-H298 ,/T
.-1-1
0.000.3916.8627.6835.3241.10
-(GT-H298 )/T
53.9053.9056.4561.4567.2173.11
AfH°
1. T
-298.1-298.1-297.4-296.6-295.9-295.2
A£G°
mol'1
-238.1-237.7-217.7-197.8-178.1-158.5
Log Kf
41.7141.3928.4220.6615.5011.83
Melting T
kJ
9.74 kJ
Boiling T
Molar Vol 2.458 J'bar 24.58 cm3
'1
A- -2.952E+02 B= 1.955E-01 O -1.08E-f05
9/25/92
160 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
HYDROGEN SULFIDE Formula wt 34.082
Ideal gas at p « 1 bar, at p * 1 bar.
298.15 to 1800 K. Reference state for sulfur L0 ideal S2 gas
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
CP
34.2034.2135.4837.2239.0540.8542.5844.2145.7247.1348.4149.5850.6251.5552.3553.0453.60
**
205.80206.01216.01224.11231.05237.21242.78247.89252.63257.05261.21265.13268.84272.37275.72278.92281.96
(HT-H298 )/T
J-mol"1-^1
0.000.218.85
14.3518.3121.4023.9426.1127.9929.6731.1832.5533.8034.9636.0237.0037.91
-(Gf-H298 )/T
205.80205.80207.15209.76212.74215.81218.83221.78224.63227.38230.03232.58235.04237.41239.70241.91244.06
AfH°
IrT
-84.9-84.9-86.0-87.0-87.9-88.7-89.2-89.7-90.1-90.4-90.6-90.7-90.8-90.8-90.8-90.8-90.7
A£G°
mol"1
-73.3-73.2-69.1-64.8-60.3-55.6-50.8-46.0-41.1-36.2-31.3-26.3-21.4-16.4-11.5-6.5-1.6
Log Kf
12.8412.759.036.775.254.153.322.672.151.721.361.060.800.570.370.200.05
Melting T
H298"H8
K
kJ
9.96 kJ
Boiling T K
kJ
Molar Vol. 2478.97 J«bar'1 24789.7 cm3
A« -9.067E+01 B= 4.942E-02 O 2.447E+05
3/26/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES
ALABANDITE Formula wt 87.004
MnS: Cubic crystals 298.15 to 1800 K. Reference state for sulfur is ideal S2 gas at p bar.
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Afo.H0
CP
49.9849.9951.1052.1452.8353.2553.5553.8454.2154.7355.4456.3957.6059.1060.9163.0465.51
COST
80.3080.6195.13
106.65116.22124.40131.53137.85143.55148.74153.53158.00162.22166.24170.11173.87177.54
K
kJ
(HT-H298 )/T
»1 _1
0.000.3112.8620.6225.9329.8132.7635.0836.9838.5639.9441.1742.3043.3644.4045.4346.48
-(Gf-H|98 )/T
80.3080.3082.2786.0490.2994.5998.78102.77106.57110.17113.59116.83119.93122.88125.71128.43131.06
FORMATION
AfH°
kJ*mol
-278.2-278.2-277.5-277.0-276.6-276.4-276.3-276.3-278.7-278.9-279.1-279.3-281.7-284.2-296.9-297.3-297.4
Boiling
A«pH°
FROM THE ELEMENTS
A£G°
-1
-258.6-258.5-252.0-245.7-239.4-231.3-227.1-220.9-214.7-208.3-201.9-195.5-188.9-182.2-174.7-167.0-159.4
T
Molar Vol. 2.146HJ98-H8
A-
kJ
-2 . 807E+02 B* 6.621E-02 0 2.
21.46
459E+05
Log Kf
45.3045.0032.9125.6620.8417.4114.8312.8211.229.898.797.857.056.345.705.134.62
K
kJ
J*bar*cm3
3/26/92
162 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MOLYBDENITE Formula wt 160.072
MoS2 : Hexagonal crystals 298.15 to 1200 K. p = 1 bar.
Reference state for sulfur is ideal S gas at
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200
°p Sf (Hf-H298 )/T
T- ~l l_«r 1
-(GT-H298 )/T AfH° AfG«
1, T..«_1 1
63.5163.6368.4571.5873.7775.3576.5477.4478.1278.6579.04
62.6062.9982.0197.65110.90122.40132.54141.61149.81157.28164.14
0.000.3916.8527.5035.0440.6945.1048.6551.5654.0056.07
62.6062.6065.1670.1475.8681.7087.4492.9698.24103.28108.07
Log K£
-400.4-400.4-399.6-398.5-397.4-396.2-395.0-393.7-392.5-391.3-390.1
-342.5-342.1-322.8-303.8-284.9-266.3-247.8-229.5-211.3-193.2-175.3
60.0059.5742.1631.7324.8019.8716.1813.3211.049.177.63
Melting T K
kJ
8.818 kJ
Boiling T
Molar Vol
K
kJ
3.202 J-bar'1 32.02 cm3
A= -3.933E+02 B« 1.822E-01 C« -3.21E+05
3/26/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 163
MILLERITE Formula wt 90.756
NiS: Rhombohedral crystals 298.15 to 623 K; hexagonal crystals 623 to melting point at 1066 K. Reference state for sulfur is ideal $2 gas at p * 1 bar.
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100
CP
47.1147.2450.7953.6856.2759.4562.5565.6568.7471.13
COST
52.9753.2667.3679.0489.04102.68110.79118.37125.44159.58
(HT-H298 )/T
__1 -1
0.000.2912.5520.4226.2234.9138.1841.0543.6872.73
-(GT-H298 )/T
52.9752.9754.8158.6262.8267.7772.6177.3281.7686.85
AfH°
kJ
-155.3-155.3-154.8-154.2-153.8-150.2-149.0-147.6-145.9-114.7
AfG°
,__i 1
-128.2-128.0-119.0-110.1-101.3-93.0-85.4-77.0-69.2-62.5
Log Kf
22.4522.2915.5311.508.826.945.574.473.612.97
Melting T
H298"H8
1066 K
kJ
53.01 kJ
Boiling T
Molar Vol
K
kJ
1.689 J-bar'1 16.89 cm3
A* -1.434E+02 7.351E-02 O -6.29B+05
4/1/92^
164 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
HEAZLEWOODITE Formula wt 240.202
Ni3S2 : Hexagonal crystals 298.15 to 834 K; cubic crystals 834 K to incongruent meltingpoint 1064 K; liquid 1064 to 1400 K. Reference state for sulfur is ideal S2 gas at p = 1 bar.
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100120013001400
CP
118.24118.45129.01136.05141.59148.35158.39189.15191.81189.12189.12189.12189.12
**
133.20133.93169.52199.12224.42246.72267.14355.52375.52411.84428.28443.42457.44
<H*-H298) /T
0.000.7331.5451.7966.2977.5186.95
159.38162.41182.56183.11183.57183.97
-<Gf-H298 )/T
133.20133.20137.98147.34158.12169.22180.20196.14213.11229.28245.17259.85273.47
AfH°
-344.9-344.9-344.0-343.0-342.5-341.7-339.3-278.4-272.8-247.9-242.7-237.9-233.3
AfG°
mol'1
-289.9-289.5-271.2-253.1-235.2-217.3-201.1-187.1-177.3-168.7-161.7-155.1-148.9
Log Kf
50.7850.4135.4126.4420.4716.2213.1310.869.268.017.046.235.56
Melting T
H298~H8
1064 K
19.66 kJ
21.501 kJ
Boiling T
Molar Vol
K
kJ
4.095 J'bar'1 40.95 cm3
-2.815E+02 B« 1.016E-01 O -3.71B+06
4/1/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 165
GALENA Formula wt 239.266
PbS: Cubic crystals 298.15 to 900 K. Reference state for sulfur is ideal S2 gas at p = 1 bar.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
cp
49.4949.5251.1652.8054.4456.0857.7259.36
ST i
91.7092.01106.48118.07127.84136.36143.95150.84
\ **fp""**l*S Qfl / / *
1 * IDOl * K *
0.000.3112.8120.6526.1430.3033.6336.40
-(GT-H298 )/1
91.7091.7093.6697.42101.70106.05110.32114.45
AfH°
kJ
-162.6-162.6-161.9-161.3-160.6-164.8-163.9-162.9
AfG°
mol"1
-136.6-136.4-127.8-119.4-111.0-102.0-93.1-84.3
Log K£
23.9323.7616.6912.479.677.616.084.90
Melting T 1400 K
kJ
Boiling T K
kJ
Molar Vol. 3.149 J-bar'1 31.49 cm3
A* -1.640E+02 B- 8.830E-02 0 9.946E+04
9/25/92
166 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
STIBNITE Formula wt 339.698
Orthorhombic crystals 298.15 to 900 K. at p * 1 bar.
Reference state for sulfur is ideal 82 gas
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
CP
119.75119.81123.38126.46128.94130.92132.51133.80
COST
182.00182.74217.70245.58268.86288.89306.48322.17
(HT-H298 )/T
J-mol"1 -*"1 -
0.000.74
30.9649.7662.7672.3679.7885.72
-(GT-H298 )/T
182.00182.00186.74195.82206.10216.53226.70236.45
AfH°
kJ
-344.3-344.3-342.2-340.1-338.0-335.9-334.0-332.2
A£6°
mol'1
-269.4-269.8-244.1-219.8-195.9-172.4-149.2-126.2
Log Kf
47.1946.8231.8822.9617.0612.879.747.33
Melting T
H2*98~H6
829 K
kJ
kJ
Boiling T
Molar Vol
K
kJ
7.341 J-bar'1 73.41 cm3
A = -3.338E+02 B - 2.315E-01 C - -4.19E+05
4/1/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 167
HERZENBERGITE Formula wt 150.776
SnS: Orthorhombic crystals 298.15 to 875 R; cubic crystals 875 to melting point 1153 K. Liquid 1153 to 1300 R. Reference state for sulfur is ideal S2 gas at p » 1 bar.
Temp.
R
298.15300400500600700800900
1000110012001300
Melting T
AH»H O
H298~H5
CP
49.2549.3250.8952.0354.5258.4163.5054.0457.0760.1175.6175.61
31
A*
S o / T I
j
77.0077.3091.76
103.22112.91121.50129.71137.47143.32148.90181.98188.03
1153 R
.59 kJ
kJ
-1.696E+02
mol"1 ^
0.000.30
12.8120.5225.9630.3034.1237.8139.5941.3269.6470.10
FORMATION FROM THE ELEMENTS
/T -(GT-H298 )/T AfH° AfG° Log Rf
-1 1-T- 1-1
77.0077.0078.9682.7086.9591.2095.5999.66
103.73107.58112.34117.93
-170.8-170.8-170.2-169.8-176.4-175.4-173.9-171.8-170.9-169.7-136.3-133.5
Boiling
Av*H°
-144.5-144.3-135.6-127.0-117.1-107.3-97.7-88.1-78.9-69.7-62.0-55.9
T
Molar Vol. 2.901 29.01
B* 8. 9 4 IE-02
25.3125.1317.7113.2610.198.006 ^A wo
5.114.123.312.702.25
R
kJ
J-bar'1 cm3
0 -1.74E+05
4/1/92
168 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
BERNDTITE Formula wt 182.842
SnS2 : Hexagonal crystals 298.15 to 1000 K. p = 1 bar.
Reference state for sulfur is ideal S2 gas at
FORMATION FROM THE ELEMENTS
Temp.
298.153004005006007008009001000
CP
70.1270.1772.0573.5275.1977.1379.3381.7484.33
Sf
87.5087.93108.41124.64138.19149.92160.36169.84178.59
(HT-H298 )/T
-1-1
0.000.4318.1329.0636.6042.2546.7550.5053.75
-(GT-H298 )/T
87.5087.5090.2895.58101.59107.67113.61119.34124.84
AfH°
1. T
-278.4-278.4-277.4-276.6-282.8-281.6-280.2-278.6-276.9
AfG°
mol"1
-221.2-220.8-201.8-183.0-163.1-143.2-123.5-104.0-84.7
Log K£
38.7538.4526.3519.1214.1910.698.066.044.42
Melting T
H2*98"H5
K
kJ
kJ
Boiling T
Molar Vol
K
kJ
4.096 J-bar'1 40.96 cm3
A- -2.818E+02 1.973E-01 C= 1.613E+05
4/1/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 169
TUNGSTENITE Formula wt 247.982
WS2 : Hexagonal crystals 298.15 to 1500 K. Reference state for sulfur is ideal S2 gas at p 1 bar.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500
CP
63.8363.9969.6772.4174.0175.0975.9076.5777.1677.7178.2478.7679.2979.83
ST
67.8068.2087.50103.37116.72128.22138.30147.28155.38162.76169.54175.82181.68187.17
(HT-H$98 )/T
-1-1
0.000.3917.1027.9235.4841.0645.3748.8051.6153.9555.9657.6959.2160.57
-,G5-HJ98 )/1
67.8067.8070.3975.4581.2587.1592.9398.48103.77108.80113.58118.13122.47126.60
AfH°
kJ
-370.2-370.2-369.3-368.1-366.9-365.6-364.4-363.1-361.9-360.6-359.4-358.2-357.0-355.8
AfG°
mol"1
-312.7-312.3-293.1-274.2-255.6-237.1-218.8-200.7-182.7-164.9-147.1-129.5-111.9-94.5
Log Kf
54.7754.3738.2828.6522.2517.6914.2911.659.547.836.405.204.183.29
Melting T
H298~H5
K
kJ
11.01 kJ
Boiling T 239.1 K
A^0 20.41 kJ
Molar Vol. 3.207 J-bar'1 32.07 cm3
A* -3.610E+02 B= 1.782E-01 C« -4.51E+05
4/l/d2
170 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
SPHALERITE Formula wt 97.456
ZnS: Cubic crystals to 1300 K. Wurtzite is the stable form of ZnS above 1300 K. Reference state for sulfur is ideal S2 gas at p » 1 bar.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000110012001300
cp
45.7645.8248.3049.9351.1252.0452.7953.4253.9654.4354.8555.23
ST
58.7058.9872.5383.5092.71100.66107.66113.92119.57124.74129.49133.90
(HT-H$98 )/T -(GT-H298 )/T AfH°
J-mol"1 ^"1
0.000.2812.0019.4324.6228.4731.4733.8735.8537.5238.9540.19
58.7058.7060.5364.0668.0972.1976.1980.0483.7287.2290.5493.71
kJ
-268.4-268.4-267.9-267.4-266.9-273.8-273.5-273.2-272.8-272.4-387.1-385.6
AfG°
mol"1
-239.5-239.3-229.7-220.2-210.7-201.3-191.0-180.7-170.4-160.2-148.1-128.2
Log Kf
41.9541.6629.9923.0018.3515.0212.4710.498.907.616.455.15
Melting T
H298~H8
kJ
8.82 kJ
Boiling T
Molar Vol
K
kJ
2.383 J'bar'1 23.83 cm3
A* -2.821E+02 B- 1.131E-01 0 8.609E+05
01/06/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES
WURTZITE Formula wt 97.456
ZnS: Hexagonal crystals 298.15 to 1300 K. Reference state for sulfur is ideal S2 gas at p 1 bar.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000110012001300
cp
45.8945.9648.7250.1351.0951.8652.5553.2153.8654.5055.1555.80
ST
58.8059.0872.7483.7793.00100.94107.91114.13119.77124.94129.71134.15
/UO _U O \ / T\ T 2 9 8 » '
J»mol~*»K~* -
0.000.2812.0919.5724.7528.5731.5233.9035.8637.5238.9740.24
-(GT-H$98 )/T
58.8058.8060.6464.2068.2572.3776.3880.2483.9187.4190.7493.91
A£H°
kJ
-268.1-268.1-267.6-267.1-266.6-273.5-273.2-272.9-272.5-272.1-386.8-385.2
AfG°
mol"1
-239.2-239.0-229.4-219.9-210.5-201.2-190.9-180.6-170.3-160.1-148.0-128.2
Log Kf
41.9141.6229.9622.9718.3315.0112.4610.488.907.606.445.15
Melting T
H298"H5
K
kJ
8.85 kJ
Boiling T K
A^0 kJ
Molar Vol. 2.385 J-bar 23.85 cm3
i
A= -2.8172E+02 B- 1.1284E-01 C- 8.613E+06
01/06/93
172 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
BERTHIERITE Formula wt 427.611
Orthorhombic crystals 298.15 to 836 K. Reference state for sulfur is ideal 82 gas at p = 1 bar.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
cp
175.23175.60186.17189.05190.44191.92193.91196.48
COST
245.00246.09298.40340.31374.90404.37430.12453.10
(HT-H298 )/T
J-mol'^K""1 -
0.001.08
46.3374.6493.83107.73118.37126.91
-(GT-H298 )/T
245.00245.00252.06265.67281.07296.63311.74326.20
AfH°
kJ*m
-513.4-513.3-509.5-505.8-502.3-499.2-496.6-494.4
AfG°
Q i 1
-415.2-414.6-382.2-350.8-320.1-290.0-260.3-230.9
Log Kf
72.7572.1849.9136.6527.8721.6417.0013.40
Melting T K
kJ
kJ
Boiling T
Molar Vol
K
kJ
9.222 J'bar' 92.22 cm3
A- -4.957E+02 B- 2.954E-01 0 -6.84E+05
2/17/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 173
CHALCOSTIBITE Formula wt 249.428
Orthorhombic crystals 298.15 to 826 K. at p = 1 bar.
Reference state for sulfur is ideal $2 gas
Temp,
K
CP ST (HT-H$98 )/T
J-mol"1^'1
FORMATION FROM THE ELEMENTS
Log KfAfH° AfG°
kJ*mol"1
298.15300400500600700800900
100.15100.22104.26108.30112.34116.38120.42124.46
149.20149.82179.20202.90223.01240.63256.43270.85
0.000.6226.0242.0753.4562.1569.1875.10
149.20149.20153.18160.83169.56178.48187.25195.75
-259.4-259.4-257.5-255.5-253.3-250.9-248.3-245.5
-212.4-212.1-196.6-181.6-167.0-152.9-139.0-125.5
37.2136.9325.6818.9714.5411.419.087.29
Melting T
AK..H'
826 K Boiling T
kJMolar Vol
kJ
K
kJ
5.006 J-bar 50.06 cm3
A= -2.486E+02 B= 1.377E-01 C» -4.38E+05
2/17/9J3
174 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
CORUNDUM Formula wt 101.961
A12°3 : Rhombohedral crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
100011001200130014001500160017001800
CP
79.1079.5396.45106.04112.31116.79120.19122.88125.08126.93128.52129.91131.13132.23133.23134.14134.99
ST
50.9251.4176.8799.51
119.43137.10152.93167.24180.31192.32203.43213.78223.45232.53241.10249.21256.90
<HT-H298 )/T
J-mol'1 ^"1 -
0.000.49
22.6038.4050.2359.4366.8272.9178.0282.3886.1689.4892.4195.0397.3999.52
101.47
-<GT-H298 )/'
50.9250.9254.2861.1169.2177.6786.1094.34
102.29109.93117.27124.30131.04137.51143.72149.68155.43
r AfH°
-1675.7-1675.7-1676.3-1676.0-1675.3-1674.4-1673.5-1672.7-1693.4-1692.3-1691.2-1690.0-1688.8-1687.4-1686.0-1684.5-1683.0
AfG°
_1
-1582.3-1581.7-1550.2-1518.7-1487.3-1456.1-1424.9-1393.9-1361.5-1328.3-1295.3-1262.3-1229. 5-1196.8-1164.1-1131.5-1099.0
Log Kf
277.20275.39202.43158.66129.48108.6593.0480.9071.1263.0856.3850.7245.8741.6738.0034.7731.89
Melting T
H2*98~H6
2345 K
kJ
10.016 kJ
A- -1.686E+03
Boiling T
B* 3.257E-01
Molar Vol.
C- 6.538E+05
K
kJ
2.558 J-bar1 25.58 cm3
4/4/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 175
BOEHMITE Formula wt 59.988
AIO(OH): Orthorhombic crystals 298.15 to 600 K.
Temp. C» ST (HT-H298 )/T -(GT-H298 )/T
K J-mol"1^"1
298.15 54.24 37.20 0.00 37.20 300 54.50 37.54 0.34 37.20 400 66.40 54.95 15.46 39.49 500 74.51 70.70 26.51 44.19 600 80.03 84.80 35.00 49.80
Melting T K
A^H0 kJ
H298~H5 8.83 kJ
A~ -9.976E+02 B« 2.646E-01
FORMATION FROM THE ELEMENTS
A£H° A£6° Log Kf
kJ-mol"1
-996.4 -918.4 160.90 -996.4 -917.9 159.82 -997.3 -891.6 116.43 -997.3 -865.2 90.38 -997.0 -838.8 73.02
Boiling T K
A^0 kJ
Molar Vol. 1.954 J-bar'1 19.54 cm3
C« 2.644E+04
8/27/92
176 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
DIBORON TRIOXIDE Formula wt 69.620
B2°3 : Hexagonal crystals 298.15 to melting point 723 K.
FORMATION FROM THE
Temp.
K
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Afc.H0
CP
62.6062.9378.0789.3198.08105.19129.70129.70129.70129.70129.70129.70129.70129.70129.70129.70129.70
24.
ST
54.0054.3974.6893.37
110.46126.13175.88191.16204.83217.19228.47238.86248.47257.42265.79273.65281.06
723 K
07 kJ
<HT-H$98)/T
J-mol'^K"1 -
0.000.3918.0231.2041.6550.2389.5594.0297.58100.51102.94105.00106.76108.29109.63110.81111.86
-<6T-H§98 )/T
54.0054.0056.6762.1768.8175.9086.3397.14107.25116.68125.53133.86141.71149.13156.16162.84169.20
A£H°
1. T.
-1273.5-1273.5-1273.6-1273.3-1272.6-1271.6-1244.7-1241.6-1238.7-1236.1-1233.6-1231.3-1229.2-1227.1-1225.2-1223.5-1221.8
AfG°
ntol"1
-1194.4-1193.9-1167.3-1140.8-1114.3-1088.0-1064.5-1042.1-1020.1-998.4-976.9-955.6-934.5-913.5-892.6-871.9-851.2
Boiling T
^1°
Molar Vol. 2H298-H8
A*
9.30 kJ
-1.240E+03 - 2.148E-01 C« -2.
27
28E+06
ELEMENTS
Log Kf
209.24207.87152.43119.1797.0181.1969.5060.4853.2847.4142.5238.3934.8631.8129.1426.7924.70
K
kJ
.722 J-bar'1
.22 cm3
9/9/92
THERMODYN AMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 177
BARIUM MONOXIDE Formula wt 153.326
BaO: Cubic crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
CP
47.2847.3549.9851.7853.1754.3355.3656.2957.1557.9658.7359.4860.1960.8961.5862.2562.90
COST
72.0772.3686.3797.73
107.30115.58122.91129.48135.46140.94146.02150.75155.18159.36163.31167.07170.64
(HT-H$98 )/T
J-mol'^KT1 -
0.000.2912.4120.1125.5129.5532.7135.2837.4239.2540.8542.2543.5144.6445.6846.6347.52
-(Gf-H298 )/T
72.0772.0773.9677.6281.7986.0490.2094.2098.03101.69105.17108.50111.68114.72117.63120.43123.12
AfH°
-548.1-548.1-547.7-548.0-548.9-549.0-549.5-549.5-549.5-557.8-557.8-557.8-557.6-557.2-556.8-556.3-555.8
AfG-
-1
-520.4-520.2-511.0-501.8-492.5-483.1-473.6-464.1-454.6-444.3-434.0-423.7-413.4-403.1-392.9-382.6-372.4
Log Kf
91.1790.5866.7352.4242.8736.0530.9226.9423.7521.1018.8917.0215.4214.0412.8311.7610.81
Melting T 2286 K
kJ
9.98 kJ
- -5.518E+02
Boiling T
B= 9.893E-02
Molar Vol.
C« 2.781E-01
K
kJ
2.559 J-bar" 25.59 cm3
8/27/92
178 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
BROMELLITE Formula wt 25.012
BeO: Hexagonal crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
CP
25.5625.7633.9338.9042.2844.7346.6148.0949.3050.3151.1851.9452.6253.2453.8254.3754.90
ST
13.7713.9322.5730.7138.1244.8350.9356.5161.6466.3970.8174.9378.8182.4685.9189.1992.32
(HJ-H298 )/T
J-mol^-K"1 -
0.000.167.68
13.4618.0021.6524.6627.1829.3331.2032.8334.2735.5536.7137.7738.7339.61
-<Gf-H298 )/T
13.7713.7714.8917.2520.1223.1826.2829.3332.3135.1937.9840.6643.2545.7548.1550.4752.71
AfH°
-609.4-609.4-609.7-609.6-609.4-609.0-608.6-608.2-607.7-607.3-606.9-606.6-606.3-606.0-620.3-619.7-619.1
A£6°
mol"1
-580.1-579.9-570.0-560.1-550.2-540.4-530.6-520.9-511.2-501.6-492.0-482.4-472.9-463.4-453.5-443.1-432.7
Log Kf
101.63100.9774.4458.5147.9040.3234.6430.2326.7023.8221.4119.3817.6416.1414.8013.6112.56
Melting T
H2§98~H6
2681 K
kJ
2.88 kJ
-6.089E+02
Boiling T
B= 9.754E-02
Molar Vol
O -4.08E-02
K
kJ
0.8309 J-bar' 8.309 cm3
8/27/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 179
BISMITE Formula wt 465 .959
Bi2O3 : Monoclinic crystals 298.15 to melting point 1098 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000
°p ST (Hf-H298 )/T
T- .1 l-*r 1
-(GT-H$98 )/T AfH« AfG«
1.*- > 1
113.55113.61116.94120.28123.62126.95130.29133.62136.96
151.50152.20185.34211.80234.02253.33270.50286.03300.29
0.000.7029.3447.2059.6669.0376.4882.6487.91
151.50151.50156.00164.60174.36184.30194.02203.39212.38
Log Kf
-573.9-573.9-572.0-570.2-591.3-589.5-587.3-584.7-581.9
-493.5-493.0-466.3-440.1-411.9-382.2-352.7-323.5-294.7
86.4585.8360.8945.9835.8628.5223.0318.7815.39
Melting T 1098 K
kJ
H2*98~H8 kJ
Boiling T
Molar Vol
kJ
4.973 J-barf1 49.73 cm3
A= -5.909E+02 B= 2.957E-01 O 8.426E+05
8/27/9J
180 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
CARBON MONOXIDE Formula wt 28.010
CO: Ideal gas at p = 1 bar, 298.15 to 2200 K.
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Afc.H 0
CP
29.1429.1329.1529.7930.5531.2931.9732.5833.1433.6434.0934.5034.8635.1835.4735.7235.94
0.
ST
197.27197.45205.80212.37217.87222.64226.86230.66234.12237.31240.25243.00245.57247.98250.26252.42254.47
68.05 K
837 kJ
/ W O M»1J 5 . \ / *F\ um *lo OQ j I A
J-mol'^K'1 -
0.000.187.39
11.8114.8717.1618.9720.4521.6922.7523.6824.5025.2225.8826.4727.0127.50
-<H-HS9e) /i
197.27197.27198.41200.57203.00205.48207.89210.21212.43214.55216.57218.50220.34222.11223.80225.42226.97
FORMATION
! AfH°
-110.5-110.5-110.1-110.0-110.2-110.5-110.9-111.4-112.0-112.6-113.2-113.9-114.6-115.3-116.0-116.7-117.4
Boiling
A«pH°
FROM THE ELEMENTS
A£6°
-1
-137.1-137.2-146.2-155.2-164.2-173.2-182.2-191.0-199.9-208.6-217.3-226.0-234.6-243.1-251.6-260.1-268.5
T
Molar Vol. 2478.H298-H6
-
8.67 kJ
-1.131E+02 B= -8.667E-02
24789.
Log Kf
24.0123.8919.0916.2214.3012.9311.8911.0910.449.919.469.088.758.478.217.997.79
K
kJ
97 J-bar*17 cm3
C= 1.858E+05
4/4/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 181
CARBON DIOXIDE Formula wt 44.010
CO2 : Ideal gas at p = 1 bar, 298.15 to 2200 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
AfcjH0
CP
37.1237.2041.2044.6247.3949.6451.4853.0154.2955.3856.3157.1057.7958.3858.9059.3559.74
COST
213.79214.02225.28234.85243.24250.72257.47263.63269.28274.51279.37283.90288.16292.17295.95299.54302.94
K
kJ
(HT-H|§98)/T
J-mol'^K'1
0.000.239.9816.5821.4925.3628.5131.1533.4035.3537.0638.5739.9241.1342.2343.2244.13
-(Gf-H°, 98 )/T
213.79213.79215.30218.28221.75225.37228.96232.48235.88239.16242.31245.34248.25251.04253.73256.32258.82
AfH°
-393.5-393.5-393.6-393.7-393.8-394.0-394.2-394.4-394.6-394.8-395.0-395.2-395.5-395.7-395.9-396.1-396.3
Boiling
A**H°
A£6°
1
-394.4-394.4-394.7-394.9-395.2-395.4-395.6-395.7-395.9-396.0-396.1-396.1-396.2-396.3-396.3-396.3-396.3
T
Molar Vol. 2478H2*98~H5
A«
9.36 kJ
-3.944E+02 - -1.248E-03
24789
Log Kf
69.0968.6751.5441.2634.4029.5025.8322.9720.6818.8017.2415.9214.7813.8012.9412.1811.50
K
kJ
.97 J-bar'1
.7 cm3
C= 5.480E-02
12/17/91
182 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
LIME Formula wt 56.077
CaO: Cubic crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
°p
42.0742.2146.9949.3450.7251.6552.3552.9053.3653.7754.1354.4754.8055.1055.4055.6855.96
ST (H
j.
38.1038.3651.2562.0171.1479.0385.9892.1897.78102.88107.58111.92115.97119.76123.33126.69129.88
*-HS98)/T
1-1. K-l
0.000.2611.4318.8024.0127.9030.9133.3235.3136.9738.3839.6140.6841.6342.4843.2543.95
-<GT-H298 )/T
38.1038.1039.8343.2247.1351.1455.0758.8562.4765.9169.1972.3275.2978.1380.8483.4485.94
AfH°
IrT
-635.1-635.1-634.7-634.2-633.7-633.4-634.0-634.0-634.2-634.7-643.3-643.1-643.0-642.8-642.6-642.4-790.9
AfG°
mol'1
-603.1-602.9-592.2-581.6-571.2-560.8-550.3-539.9-529.4-518.9-507.7-496.4-485 . 1-473.8-462.6-451.3-437.9
Log Kf
105.66104.9777.3360.7649.7241.8435.9331.3327.6524.6422.1019.9518.1016.5015.1013.8712.71
Melting T 3200 K
kJ
6.75 kJ
* -6.395E+02
Boiling T
B= 1.105E-01
Molar Vol.
C= 3.497E+05
K
kJ
1.676 J-bar1 16.76 cm3
8/27/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 183
PORTLANDITE Formula wt 74.093
Ca(OH) 2 : Hexagonal crystals 298.15 to 700 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700
CP
87.5187.7597.94
104.19108.23110.89
ST
83.4083.94110.71133.29152.67169.57
<Hf-H298)/T
J-mol""1*^1 -
0.000.54
23.7339.2450.4358.89
-<GT-H298 )/T
83.4083.4086.9894.05102.24110.68
AfH°
1. T
-986.1-986.1-985.3-983.9-982.3-980.7
AfG°
mol'1
-898.0-897.5-868.1-838.9-810.1-781.5
Log Kf
157.33156.27113.3687.6470.5258.32
Melting T
kJ
14.16 kJ
Boiling T
Molar Vol
K
kJ
3.306 J-bar'1 33.06 cm3
A= -9.810E+02 B= 2.857E-01 -1.98E-I-05
4/8/92
184 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
CERIANITE Formula wt 172.114
CeO2 : Cubic crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
CP
61.6361.7867.5270.8373.1174.8676.2977.5278.6279.6380.5681.4582.2983.0983.8884.6485.38
eoST
62.3062.6881.3396.78109.91121.31131.40140.46148.69156.23163.20169.68175.75181.45186.84191.95196.81
<HT-H298 )/T
1""1 "*1
0.000.38
16.5227.0834.5740.2144.6348.2251.2053.7455.9457.8759.5861.1262.5263.8064.98
-<Gf-H298 )/T
62.3062.3064.8069.7075.3381.1186.7792.2597.48
102.49107.26111.81116.17120.33124.32128.15131.83
AfH°
kJ«
-1088.7-1088.7-1087.9-1086.9-1085.9-1085.0-1084.1-1083.4-1085.7-1090.5-1089.8-1089.1-1088.3-1087.4-1086.5-1085.6-1084.5
AfG°
.-1
-1024.6-1024.2-1002.9-981.7-960.7-940.0-919.3-898.7-878.3-857.4-836.2-815.2-794.1-773.1-752.2-731.3-710.5
Log Kf
179.51178.33130.96102.5683.6470.1460.0252.1645.8740.7136.4032.7529.6326.9224.5622.4720.62
Melting T
H2*98~H5
K
kJ
10.37 kJ
A= -1.0865E+03
Boiling T
B- 2.088E-01
Molar Vol
C= -5.536E-02
K
kJ
2.385 J'bar'1 23.85 cm3
8/27/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 185
COBALT MONOXIDE Formula wt 74.933
CoO: Cubic crystals 298.15 to 1800 K.
Temp.
K
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Aft»H 0
CP
43.3443.6251.8854.0054.5154.6754.9055.3055.9256.7557.7658.9560.2861.7563.3465.0366.81
8T
52.8353.1067.0478.9088.8097.22
104.53111.02116.87122.24127.22131.89136.30140.51144.55148.44152.21
2078 R
kJ
<HT-H298 )/T
J-wol"1 -*"1 -
0.000.27
12.3720.5326.1630.2233.2935.7137.7039.3940.8842.2243.4644.6345.7546.8447.90
-<Gf-H298 )/T
52.8352.8354.6858.3762.6466.9971.2475.3079.1782.8586.3489.6792.8495.8898.80
101.60104.31
FORMATION
AfH°
-237.9-237.9-237.1-236.0-235.1-234.3-234.1-233.6-233.4-233.3-233.5-234.1-235.1-234.9-234.4-233.6-249.0
Boiling
Av*H°
FROM THE
AfG°
-1
-214.1-214.0-206.1-198.5-191.0-183.8-176.5-169.4-162.3-155.2-148.0-140.9-133.8-126.6-119.4-112.2-104.6
T
Molar Vol. 1H298-H6
-
9.45 kJ
-2.336B+02 B- 7.152E-02
11
ELEMENTS
Log Rf
37.5137.2526.9120.7316.6313.7111.539.838.487.376.445.664.994.413.903.453.04
R
kJ
.164 J-bar1
.64 cm3
C= -1.63B+05
9/9/92
186 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
TRICOBALT TETROXIDE Formula wt 240.797
Co3O4 : Cubic crystals 298.15 to 1000 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000
CP
123.39123.85142.51154.69164.32172.75180.54187.96195.14
ST
109.30110.06148.50181.68210.76236.73260.31282.01302.18
<HT-H398 ,/T
_1 _1
0.000.76
34.0857.0574.1587.6498.77108.27116.60
-<GT-H298 )/T
109.30109.30114.42124.63136.61149.09161.54173.74185.58
AfH°
1.T
-918.8-918.8-919.0-918.5-917.5-916.3-916.2-914.6-913.1
AfG°
mol"1
-802.2-801.5-762.3-723.1-684.1-645.4-606.5-567.9-529.5
Log Kf
140.54139.5499.5475.5459.5648.1639.6032.9627.66
Melting T
H298"H5
K
kJ
18.13 kJ
Boiling T
Molar Vol
K
kJ
3.977 J-bar'1 39.77 cm3
A« -9.157B+02 B= 3.866E-01 0 -1.61B+05
9/9/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 187
ESKOLAITE Formula wt 151.990
Cr2O3 : Rhombohedral crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
CP
105.41105.63113.62117.83120.55122.58124.22125.65126.95128.15129.30130.40131.47132.52133.55134.56135.57
ST
81.2081.85113.48139.32161.06179.80196.28211.00224.30236.46247.66258.05267.76276.86285.45293.58301.29
<H*-H598 )/T
J-mol"1 -*'1 -
0.000.6528.0245.6057.8766.9874.0379.6984.3588.2891.6594.5997.1999.51101.60103.51105.26
-<GT-H$98 )/T
81.2081.2085.4693.73103.19112.82122.25131.31139.95148.18156.01163.46170.57177.36183.85190.06196.03
AfH°
-1134.7-1134.7-1133.1-1131.3-1129.5-1127.8-1126.2-1124.8-1123.7-1122.7-1122.1-1121.7-1121.7-1122.0-1122.6-1123.6-1125.0
AfG°
.-1
-1053.1-1052.6-1025.4-998.7-972.4-946.3-920.5-894.9-869.4-844.1-818.7-793.5-768.2-743.0-717.7-692.4-666.9
Log Kf
184.49183.26133.90104.3384.6570.6260.1051.9445.4140.0835.6431.8828.6625.8723.4321.2719.35
Melting T 2603 K
kJ
9.45 kJ
Boiling T
Molar Vol.
K
kJ
2.909 J-bar*1 29.09 cm3
A* -1.1225E+03 B= 2.533E-01 C« -5.635E-01
10/1/92
188 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
TENORITE Formula wt 79.545
CuO: Monoclinic crystals 298.15 to 1400 K.
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100120013001400
cp
42.3042.4447.0749.3250.8051.9853.0554.0955.1356.1857.2558.3359.43
ST
42.6042.8655.8066.5775.7083.6290.6396.94102.69108.00112.93117.56121.92
/ tl O _ V Q _\ /rn \ V OQft/ /
J«mol~l«K~^
0.000.26
11.4718.8324.0427.9531.0233.5335.6437.4639.0640.5041.81
-(GT-H$98 )/T
42.6042.6044.3347.7451.6555.6759.6163.4167.0670.5473.8777.0580.10
A£H°
1. T
-156.1-156.1-155.6-154.8-154.0-153.2-152.3-151.4-150.5-149.6-148.7-147.9-160.2
AfG°
-128.3-128.2-118.9-109.9-100.9-92.2-83.5-74.9-66.5-58.1-49.9-41.7-33.1
Log Kf
22.4822.3215.5311.488.796.885.454.353.472.762.171.671.23
Melting T K
kJ
7.10 kJ
Boiling T
Molar Vol
K
kJ
1.222 J'bar'1 12.22 cm3
A- -1.506E+02 8.412E-02 O -2.64E+05
8/28/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 189
CUPRITE Formula wt 143.091
Cu20: Cubic crystals 298.15 to 1509 K.
FORMATION FROM THE
Temp.
298.15300400500600700800900100011001200130014001500
Melting T
cp
62.5462.5967.1871.4974.2776.0077.2878.6080.3382.7686.1090.5196.12103.03
ST
92.4092.79
111.37126.85140.16151.74161.98171.15179.52187.29194.62201.68208.59215.45
1509 K
kJ
(HT-H$98 )/T
J-mol^-K'1
0.000.39
16.4727.0734.7240.5045.0248.6851.7554.4656.9559.3561.7764.28
-<Gf-H298 )/T
92.4092.4094.9099.79
105.43111.24116.95122.48127.77132.83137.68142.33146.82151.16
AfH° AfG°
-170.6-170.6-170.6-170.3-169.8-169.3-168.7-168.2-167.6-167.0-166.4-165.6-191.0-189.4
kJ-mol"1
-147.8-147.7-140.0-132.4-124.9-117.4-110.0-102.7-95.5-88.3-81.2-74.1-66.2-57.4
Boiling T
Molar Vol. 2H598~H8
-
kJ
-1 . 690E+02 B- 7.367E-02 C«
23
-6.26E+04
ELEMENTS
Log Kf
25.8925.7118.2813.8310.878.767.185.964.994.193.532.982.472.00
K
kJ
.344 J-bar"1
.44 cm3
8/26/92
190 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
WUSTITE Formula wt 68.887
Fe .947O: Rhombohedral crystals 298.15 to melting point 1652 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000110012001300140015001600
Melting T
Aft.H'
H$98~H5
cp
48.1348.2751.9952.7853.0453.3853.9554.7655.8057.0558.4860.0561.7663.5865.51
A»
COST
56.6056.9071.4383.1392.78100.98108.14114.54120.36125.74130.76135.51140.02144.34148.50
1652 K
kJ
kJ
-2 . 632E+02
<HT-H§98)/T
J-mol'-'-'K"1
0.000.3012.8720.7926.1530.0132.9735.3437.3339.0740.6242.0643.4044.6945.93
B=
-(Gf-H$98)/T
56.6056.6058.5662.3466.6470.9775.1879.2083.0386.6790.1493.4596.6299.65
102.58
6.455E-02
AfH° AfG°
-266.3-266.3-265.2-264.2-263.4-262.8-262.6-262.7-263.4-264.9-265.6-264.7-263.7-262.7-261.6
O
kJ»mol"~^
-244.9-244.8-237.8-231.1-224.6-218.1-211.8-205.4-199.0-192.5-185.9-179.3-172.8-166.3-159.9
Boiling T
AV*H°wmf
Molar Vol. 112
-8.06E+04
Log Kf
42.9142.6231.0524.1419.5516.2813.8311.9210.409.148.097.206.455.795.22
K
kJ
.204 J'bar'1
.04 cm3
2/5/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 191
FERROUS OXIDE (Fictive) Formula wt 71.846
PeO: Cubic crystals 298.15 to 1800 K.
FORMATION FROM THE
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
A^0
H598-H5
CP
47.6847.7550.2651.4752.2652.9153.5154.1154.7255.3455.9856.6357.3057.9858.6859.3860.10
A-
COST
60.6060.9075.0386.3995.84103.95111.05117.39123.12128.37133.21137.72141.94145.91149.68153.26156.67
K
kJ
kJ
-2.719E+02
<HT-H$98 )/T
J-mol"1 -*"1
0.000.2912.5220.2025.4829.3532.3334.7236.6938.3639.8041.0742.2043.2344.1845.0545.87
B=
-(GT-H$98 )/T AfH° AfG°
60.6060.6062.5166.1970.3674.6078.7282.6786.4390.0193.4196.6599.73
102.68105.50108.21110.81
6.634E-02
-272.0-272.0-271.2-270.5-269.9-269.6-269.6-270.0-271.0-273.0-274.1-273.7-273.3-273.0-272.7-273.4-273.6
C*
kJ-mol""1
-251.4-251.3-244.5-237.9-231.5-225.1-218.7-212.3-205.9-199.3-192.5-185.7-179.0-172.3-165.6-158.8-152.1
Boiling T
Av^H0
Molar Vol. 112
7.599E+04
ELEMENTS
Log Kf
44.0543.7531.9324.8520.1516.7914.2812.3210.759.468.387.466.686.005.404.884.41
K
kJ
.200 J-bar'1
. 00 cm3
2/24/94
192 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
HEMATITE Formula wt 159.692
Fe2O3 : Rhombohedral crystal 298.15 to Neel temperature 950 K. 1800 K.
Hexagonal crystals 950 to
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900950950
100011001200130014001500160017001800
CP
104.05104.32120.29131.72139.33146.52156.12170.22179.45151.69148.49143.55140.74140.07141.42144.64149.58156.06163.95
COST
87.4088.04120.27148.44173.16195.17215.32234.47243.91244.58252.27266.18278.53289.76300.18310.03319.52328.77337.91
<Hf-H§98 )/T
J*mol~*-K~* -
0.000.64
28.5948.1662.7574.1983.7992.5796.8997.54100.16104.32107.45109.98112.16114.21116.26118.40120.71
-(GT-H298 )/T
87.4087.4091.68100.28110.41120.98131.53141.90147.03147.03152.11161.86171.08179.78188.02195.82203.26210.37217.20
A£H°
1. T
-826.2-826.2-824.6-822.3-819.6-816.9-814.0-810.9-809.3-807.9-808.9-810.8-811.9-810.1-808.5-806.9-805.2-804.9-803.1
A£G°
mol"1
-744.4-743.9-716.6-689.9-663.6-637.8-612.4-587.4-575.3-575.3-562.8-538.0-513.2-488.4-463.8-439.2-414.7-390.3-366.0
Log Kf
130.41129.5193.5872.0757.7747.5939.9934.0931.6531.6529.4025.5522.3419.6217.3015.2913.5411.9910.62
Melting T
H298~H8
1895 K
kJ
65.10 kJ
Boiling T
Molar Vol.
K
kJ
3.027 J-bar 30.27 cm3
A= -8.089E+02 B- 2.466E-01 -8.423E+05
9/9/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 193
MAGNETITE Formula wt 231.539
Fe3°4- Cubic (ferrimagnetic) crystals 298.15 to Neel temperature 845.5 K. crystals (paramagnetic) 845.5 to 1800 K.
Cubic
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800845.5900
100011001200130014001500160017001800
Melting T
AH»H O
CP
150.90151.40176.18192.90207.91228.68260.76330.50213.93205.97201.45199.28198.76199.43201.00203.23205.99209.15
Sf
146.14147.07194.21235.43271.89305.38337.86354.00369.13391.22410.62428.04443.96458.71472.52485.56497.96509.82
(HT-H£98 )/T -(GT-H$98 )/T AfH° AfG°
J-1.--1
0.000.9341.8170.4592.08110.00126.70135.66142.05148.81153.78157.65160.82163.55165.99168.24170.38172.45
146.14146.14152.40164.98179.81195.38211.16218.34227.08242.41256.84270.39283.14295.16306.53317.32327.58337.37
-1115.7-1114.6-1113.0-1109.2-1104.8-1099.5-1092.7-1087.8-1085.1-1085.5-1089.1-1091.0-1088.6-1086.5-1084.6-1082.9-1084.1-1083.7
1870 K
kJ
kJ-mol'1
-1012.7-1012.1-977.9-944.5-912.0-880.3-849.4-835.3-819.5-790.0-760.3-730.4-700.4-670.6-641.0-611.5-582.0-552.4
Boiling T
AV*H°
Molar Vol. 4H298"H8 102.
A« -1
80 kJ
.086E+03 B** 2.969E-01 c+ -1
44
.437E+06
Log Kf
177.42176.21127.7098.6779.4065.6955.4651.6047.5641.2736.1031.7928.1425.0222.3219.9617.8816.03
K
kJ
.452 J'bar'1
.52 cm3
9/9/92
194 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
STEAM Formula wt 18.015
H2O: Ideal gas at p 1 bar, 298.15 to 2500 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Afi«H0
c° CP
33.5933.5934.0435.0936.3437.6638.9740.2741.5342.7643.9445.0746.1547.1948.1849.1250.01
ST
188.84189.05198.75206.45212.96218.66223.77228.44232.75236.76240.53244.10247.48250.70253.77256.72259.56
K
kJ
(HT-H298 )/T
J-mol"1^"1
0.000.218.59
13.7817.4320.2322.4924.3926.0427.5128.8330.0331.1532.1833.1534.0634.93
-,Gf-H598 )/T
188.84188.84190.16192.67195.52198.43201.28204.05206.70209.26211.71214.06216.33218.51220.62222.66224.63
AfH°
kJ-mol~
-241.8-241.8-242.9-243.9-244.8-245.7-246.5-247.2-247.8-248.4-248.9-249.4-249.8-250.2-250.5-250.7-251.0
Boiling
Ava|H o
A fG°
1
-228.6-228.5-223.9-219.0-214.0-208.8-203.5-198.0-192.6-187.0-181.4-175.7-170.1-164.4-158.6-152.9-147.1
T
Molar Vol. 2478H298"*H8 kJ
A» -2.4896E+02 B= 5.632E-02
24789
Log K£
40.0539.7929.2422.8818.6315.5813.2811.4910.068.887.907.066.355.725.184.704.27
K
kJ
.97 J'bar'1
.7 cm3
C- 3.354E+05
8/26/92
THERMODYNAMIC PROPERTIES AT fflGH TEMPERATURE OF INDIVIDUAL PHASES 195
DIPOTASSIUM MONOXIDE Formula wt 94.196
K20: Cubic crystals 298.15 to 1200 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200
°p
83.6883.7988.8993.3997.64101.78105.85109.90113.92117.92121.92
S O ,
T
94,1094,62
119,45139.77157.17172.54186.39199.10210.88221.93232.36
(H*-HJ98)/T
J-1--1
0.000.52
21.9935.8345.7853.4859.7765.1269.8073.9977.82
-<Gf-H§98 )/T
94.1094.1097.45103.94111.40119.05126.62133.98141.08147.94154.54
AfH°
kJ
-363.2-363.2-367.0-365.6-363.7-361.4-358.6-355.5-352.0-506.2-500.2
AfG°
mol"1
-322.1-321.9-307.3-292.6-278.1-264.0-250.3-237.0-224.0-202.1-174.7
Log Kf
56.4356.0440.1330.5624.2119.7016.3413.7511.709.607.61
Melting T K
kJ
kJ
Boiling T
Molar Vol
K
kJ
4.038 J'bar'1 40.38 cm3
A- -3.816E+02 B- 1.640E-01 1.032E+06
5/20/93
196 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
DILITHIUM MONOXIDE Formula wt 29.881
Li2O: Cubic crystals 298.15 to melting point 1700 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
10001100120013001400150016001700
Melting T
AtoH°
CP
54.1054.3363.6169.5273.9877.6780.8783.7286.2988.6390.7692.7094.4696.0597.4798.72
ST (1
37.6037.9454.9669.8382.9194.60
105.19114.88123.83132.17139.98147.32154.25160.83167.07173.02
1700 K
kJ
HT~H298
l~l.i
0.000.33
15.1025.4333.1639.2644.2748.5052.1555.3658.2260.8063.1565.2967.2569.07
,/T -(G*-H298 ,/1
r 1
37.6037.6039.8644.4049.7555.3460.9266.3871.6876.8181.7586.5191.1195.5499.82
103.95
? AfH°
-597.9-597.9-598.7-605.4-605.7-605.6-605.2-604.4-603.4-602.2-600.7-599.1-597.3-595.3-593.2-881.4
Boiling
Av*H°
AfG°
1
-561.2-561.0-548.5-535.3-521.2-507.1-493.1-479.1-465.3-451.5-437.9-424.4-411.0-397.7-384.6-357.3
T
Molar Vol. 1.H598~H8
A-
kJ
-6.086E+02 B- 1.425E-01
14.
Log K£
98.3197.6771.6355.9245.3837.8432.2027.8124.3021.4419.0617.0515.3313.8512.5610.98
K
kJ
476 J'bar'176 cm3
0 4.563E+06
12/7/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 197
PERICLASE Formula wt 40.304
MgO: Cubic crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
CP
37.2637.4042.7045.5747.3748.6149.5350.2650.8751.4051.9052.3652.8253.2853.7654.2554.76
ST
26.9027.1338.7048.5757.0564. ,4571.0076.8882.2187 0891.5795.7599.64103.30106.76110.03113.15
<HT-H298 )/T
.-1-1
0.000.23
10.2617.0621.9725.6928.6230.9832.9434.6036.0237.2638.3539.3340.2241.0341.78
-(GT-H$98 )/T
26.9026.9028.4431.5135.0738.7542.3845.8949.2652.4855.5658.4961.2963.9766.5469.0071.37
AfH°
1. T
-601.6-601.6-601.6-601.4-601.1-600.8-600.5-600.4-608.9-608.9-609.0-609.0-736.4-735.0-733.5-732.1-730.6
AfG°
mol"1
-569.3-569.1-558.3-547.4-536.7-526.0-515.3-504.7-493.3-481.8-470.2-458.6-443.9-423.1-402.3-381.7-361.1
Log Kf
99.7499.0972.9057.1946.7239.2533.6429.2925.7722.8820.4718.4316.5614.7313.1311.7310.48
Melting T
H298~H8
3125 K
kJ
5.17 kJ
Boiling T
Molar Vol
K
kJ
1.125 J«bar4 11.25 cm3
-6.373E+02 B- 1.449E-01 0 2.512E+06
8/26/92
198 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
BRUCITE Formula wt 58.320
Mg(OH) 2 : Hexagonal crystals 298.15 to 900 K.
FORMATION FROM THE ELEMENTS
Temp.
K
CP s* / V O _ ** O \ /ft* / S* O Zl O \ / IP(**T **298' ' (^*T 298' ' AfH° AfG° Log K£
298.15300400500600700800900
77.2777.6691.8999.29104.00107.44110.20112.57
63.2063.6888.23
109.60128.15144.45158.98172.10
0.000.48
21.7836.6147.4755.8062.4367.87
63.2063.2066.4573.0080.6888.6596.55104.23
-924.5-924.5-924.4-923.4-922.1-920.6-919.0-917.3
-833.5-832.9-802.4-772.0-741.8-711.9-682.1-652.6
146.02145.02104.7880.6464.5853.1244.5437.88
Melting T K
H2*98~H8
kJ
11.40 kJ
Boiling T
Molar Vol
K
kJ
2.463 J-bar'1 24.63 cm3
A- -9.195E+02 B« 2.971E-01 O -2.30E+05
4/9/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 199
MANGANOSITE Formula wt 70.937
MnO: Cubic crystals 298.15 to 1800 K.
Temp.
K
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Aft.H 0
CP
44.1044.1646.8148.7350.2451.4952.5753.5254.3855.1755.9156.5957.2457.8758.4659.0359.59
ST (HJ
59.7159.9873.0783.7492.76
100.60107.55113.80119.48124.70129.53134.04138.26142.23145.98149.54152.93
2054 K
kJ
i-HJ98 )/T
1-1. XT-1
0.000.27
11.6018.8423.9527.8030.8333.3035.3737.1338.6740.0241.2342.3143.3144.2145.05
-<G*-H598 )/T
59.7159.7161.4864.9068.8172.8076.7280.5084.1287.5790.8794.0297.0399.91
102.67105.33107.88
FORMATION
AfH°
-385.2-385.2-384.9-384.5-384.3-384.1-384.0-383.9-386.2-386.2-386.3-386.3-388.6-391.1-403.8-404.4-404.9
Boiling
Av*H°
FROM THE ELEMENTS
AfG°
-1
-362.9-362.8-355.3-348.0-340.7-333.4-326.2-319.0-311.7-304.3-296.8-289.4-281.9-274.1-265.6-256.9-248.3
T
Molar Vol. 1HJ98-H8 kJ
A» -3.880E+02 B= 7.651E-02
13.
Log K£
63.5863.1646.4036.3529.6624.8821.3018.5116.2814.4512.9211.6310.529.548.677.897.20
K
kJ
.322 J-bar'122 cm3
O 2.398E+05
4/9/92
200 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
PYROLUSITE Formula wt 86.937
Mn02 : Crystals 298.15 to 850 K.
Temp.
298.15300400500600700800900
J-mol^-K"1
FORMATION FROM THE ELEMENTS
-<GT-H298 )/T AfH" AfG« Log Kf
1. T --.,-. I 1
54.7654.9463.2168.3471.2172.6873.3673.65
52.7553.0970.1184.8197.56
108.66118.41127.07
0.000.34
15.0925.2732.7238.3342.6746.10
52.7552.7555.0159.5464.8470.3275.7480.97
-520.0-520.0-519.8-519.1-518.4-517.7-517.2-516.8
-465.0-464.7-446.3-427.9-409.8-391.7-373.8-355.9
81.4780.9158.2744.7135.6729.2324.4020.65
Melting T
kJ
kJ
Boiling T
Molar Vol
K
kJ
1.661 J'bar'1 16.61 cm3
A= -5.172E+02 B« 1.795E-01 C- -1.20E+05
8/26/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 201
BIXBYITE Formula wt 157.874
Mn203 : Cubic crystals 298.15 to 1400 K.
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100120013001400
CP
101.81101.93108.49114.61120.05124.93129.38133.49137.37141.07144.63148.09151.47
COST
113.70114.33144.55169.43190.81209.69226.67242.15256.42269.68282.11293.82304.92
(HT-H598 )/T
J-mol"1 -*"1 -
0.000.<53
26.7743.7456.0165.5273.2279.6985.2790.1894.5798.55102.21
-(Of-HS98 ,/l
113.70113.70117.78125.69134.80144.18153.45162.45171.15179.51187.55195.27202.71
! AfH°
kJ-
-959.0-959.0-958.4-957.6-956.9-956.0-955.2-954.2-957.7-956.6-955.3-953.8-956.7
AfG°
mol"1
-882.1-881.6-855.9-830.3-804.9-779.7-754.5-729.5-704.5-679.3-654.1-629.0-604.0
Log Kf
154.53153.49111.7686.7470.0858.1849.2742.3436.8032.2628.4725.2722.54
Melting T Boiling T
kJ
17.56 kJMolar Vol.
K
kJ
3.137 J'bar'1 31.37 cm3
A- -9.550E+02 B- 2.508E-01 O -1.645E+05
8/27/92
202 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
HAUSMANNITE Formula wt 228.812
Mn3O4 : Tetragonal crystals 298.15 to 1400 K.
Temp.
298.1530040050060070080090010001100120013001400
Melting T
H298~H5
CP
142.02142.52158.37165.03169.49173.64178.04182.86188.12193.77199.78206.12212.72
24
ST
164.10164.98208.55244.68275.18301.61325.08346.33365.86384.05401.17417.41432.92
K
kJ
.78 kJ
<H*-H598 )/T
J-mol"1 ^'1 -
0.000.88
38.6263.3080.6493.63
103.90112.40119.71126.18132.06137.51142.65
-<Gf-H298 >/T
164.10164.10169.94181.38194.54207.99221.18233.93246.16257.87269.11279.90290.28
FORMATION
AfH°
-1384.5-1384.5-1383.4-1382.1-1381.0-1380.2-1379.5-1379.0-1385.1-1384.4-1383.3-1381.8-1386.7
FROM THE ELEMENTS
AfG°
-1
-1282.5-1281.8-1247.7-1214.0-1180.5-1147.1-1113.8-1080.7-1047.4-1013.7-980.0-946.5-912.9
Boiling T
Molar Vol. 4.
A» -1.3809E+03 B= 3.3405E-01
46.
Log Kf
224.68223.18162.93126.82102.7785.6072.7362.7254.7148.1442.6638.0334.06
K
kJ
695 J'bar'195 cm3
C* -9.874E+05
4/10/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 203
BRAUNITE Formula wt 604.645
Mn7SiO12 : Tetragonal crystals 298.15 to 1500 K.
Temp.
298.15300400500600700800900
100011001200130014001500
Melting T
CP COST (HT-HJ|98 )/T -(GT-H298 )/T
FORMATION
AfH°
FROM THE ELEMENTS
AfG° Log Kf
380.79382.01428.72456.30476.35492.85507.45520.96533.78546.15558.21570.07581.76593.34
416.40418.76535.79634.62719.66794.36861.14921.70977.26
1028.711076.751121.901164.581205.11
K
kJ
0.002.35
103.74171.68220.85258,56288,78313 ,,8333 5, .19353, .81370 ,.34385, ,25398 ,,87411, ,45
416.40416.41432.05462.94498.81535.80572.37607.87642.07674.91706.41736.65765.71793.66
-4260.0-4260.0-4258.2-4254.9-4251.4-4247.8-4244.2-4240.7-4252.6-4248.9-4244.5-4239.4-4249.7-4260.6
Boiling
-3944.7-3942.8-3837.2-3732.3-3628.2-3524.6-3421.5-3318.8-3216.4-3112.9-3009.8-2907.1-2804.4-2700.4
T
Molar Vol. 12H§98~H5 65
A=
.68 kJ
-4.2437E+03 B- 1.0286E+00 O -6.
125
946E+05
691.09686.48501.08389.91315.86263.00223.40192.62168.00147.82131.01116.81104.6394.04
K
kJ
.508 J-bar"1
. 08 cm3
02/24/94
204 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MOLYBDITE Formula wt 143.938
MoO3 : Orthorhornbic crystals 298.15 to melting point 1074 K; liquid 1074 to 1500 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500
CP
74.9175.1383.0287.7891.8595.89100.08104.46109.03126.95126.95126.95126.95126.95
ST
77.7078.16
101.00120.06136.42150.89163.96176.00187.24197.87207.97217.67227.02236.09
<HT-H§98 )/T
,-1. .-1
0.000.46
20.2433.2942.7150.0256.0161.1565.7169.8573.7177.3680.8584.22
-<GT-H§98 )/T
77.7077.7080.7686.7793.71100.87107.95114.85121.53128.02134.26140.31146.17151.87
AfH°
-745.2-745.2-744.1-742.7-741.1-739.3-737.2-734.8-732.2-729.2-725.8-722.0-717.9-713.3
A£G°
mol"1
-668.1-667.6-641.9-616.5-591.4-566.6-542.0-517.8-493.8-470.1-446.7-423.6-400.8-378.3
Log Kf
117.04116.2483.8264.4051.4842.2835.3930.0525.7922.3219.4417.0214.9513.17
Melting T
H298~H5
1074 K
48.91 kJ
12.59 kJ
Boiling T K
Ay_H° IcJ
Molar Vol. 3.056 J-bar'1 30.56 cm3
A- -7.299E+02 B- 2.358E-01 C- -8.02E+05
8/27/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 205
NITROGEN DIOXIDE Formula wt 46.006
NO2 : Ideal gas at p = 1 bar, 298.15 to 1800 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Afi»H°
CP
37.0037.0540.1643.2945.9148.0249.7151.0652.1653.0553.7754.3654.8555.2555.5855.8656.09
sf (
240.10240.33251.39260.70268.83276.08282.60288.54293.98298.99303.64307.97312.01315.81319.39322.77325.97
K
kJ
uo_uo \ /m _/^o_tjo \ /if A no A oo "T 2 (38'' \**T 298'' Hfn Uf\»
l~l.|r-l
0.00
0.239. SI
16.2020.9424.6627.6930.2232.3634.2035.8037.2138.4539.5640.5541.4442.25
240.10240.10241.59244.50247.89251.41254.91258.32261.62264.79267.84270.76273.56276.26278.84281.33283.72
33.133.132.532.232.031.931.931.932.032.132.332.432.532.632.832.933.0
ItJ- ol""l
51.251.457.563.870.276.683.089.395.7
102.1108.4114.8121.1127.4133.7140.1146.4
Boiling T
Av*H°
Molar Vol. 2478HJ98-H8
A=
kJ
3.210E+01 * 6.353E-02 O
24789
1.451E+04
Log Kf
-8.98-8.94-7.51-6.67-6.11-5.71-5.42-5.18-5.00-4.85-4.72-4.61-4.52-4.44-4.37-4.30-4.25
K
kJ
.97 J'bar'1
.7 cm3
5/06/93
206 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
DISODIUM MONOXIDE Formula wt 61.979
Na2O: Cubic crystals 298.15 to melting point 1193 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000
CP
69.1069.2676.3081.3485.2688.4791.2093.6095.74
Sf {
75.3075.7396.68114.27129.46142.85154.85165.73175.71
(H5-H598 ,/T
-1 «1
0.000.4318.5730.6439.4346.2151.6756.2060.05
-(Gf-H298 )/T
75.3075.3078.1183.6390.0396.64103.18109.53115.66
AfH°
kJ
-414.8-414.8-420.2-420.1-419.3-418.2-416.7-414.9-413.0
AfG°
-376.0-375.7-362.3-347.8-333.4-319.2-305.1-291.3-277.7
Log Kf
65.8765.4247.3136.3329.0323.8219.9216.9114.50
Melting T
H2*98~H8
1193 K
kJ
12.40 kJ
Boiling T
Molar Vol.
K
kJ
2.588 J'bar'1 25.88 cm3
A= -4.180E+02 1.407E-01 C* -5.93E+03
9/10/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 207
BUNSENITE Formula wt 74.689
NiO: Rhombohedral (distorted cubic) crystals 298.15 to Neel temperature 519 K. crystals 519 to 1800 K.
Cubic
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500519600700800900100011001200130014001500160017001800
Melting T
AI^H*
CP
44.4944.7053.0064.9069.1556.0154.2253.6653.8354.4355.2956.2957.3758.4859.5760.6261.6162.52
S*
37.9938.2752.3865.2567.7476.0784.5591.7498.06103.76108.99113.84118.39122.68126.76130.63134.34137.89
2257 K
kJ
(Hf-H|9Q )/T
J»mol"" K '
0.000.2812.5221.5923.2527.8631.7334.5036.6338.3839.8841.2042.4043.5144.5545.5246.4447.30
-<GT-H298 )/T
37.9937.9939.8643.6644.4948.2152.8257.2461.4365.3869.1172.6475.9979.1782.2185.1187.9090.59
AfH° AfG°
-239.3-239.3-238.6-237.3-236.8-236.2-235.6-235.1-234.5-234.0-233.5-233.1-232.6-232.1-231.6-231.1-230.6-247.3
kJ-mol~l
-211.1-211.0-201.6-192.5-190.9-183.6-175.0-166.8-157.8-149.3-140.8-132.4-124.0-115.7-107.4-99.1-90.9-82.0
Boiling T
Av*H°
Molar Vol. 1.H598"H8
A=
6.69 kJ
-2.331E+02 B* 8.392E-02 O
10.
-2.85E+05
Log K£
36.9936.7326.3320.1119.2115.9913.0510.899.167.806.695.764.984.323.743.242.792.38
K
kJ
097 J'bar*197 cm3
9/9/92
208 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
LITHARGE Formula wt 223.199
PbO: Tetragonal crystals (red) 298.15 to 1000 K.
Temp.
298.153004005006007008009001000
CP Sf <Hf-H298 )/T
FORMATION FROM THE ELEMENTS
-<Gf-H298 )/T AfH« AfG« Log Kf
1. T.-.-.1 1
45.7745.8950.5153.2055.1356.7058.0859.3560.55
66.5066.7880.6992.27102.15110.77118.43125.35131.66
0.000.2812.3320.2525.9130.2033.6036.3938.75
66.5066.5068.3772.0276.2480.5784.8388.9692.92
-219.0-219.0-218.4-217.5-216.6-220.5-219.4-218.3-216.9
-188.9-188.7-178.7-168.9-159.3-149.0-138.9-128.9-119.0
33.1032.8623.3417.6513.8711.129.077.486.22
Melting T
H298~H8
kJ
kJ
Boiling T
Molar Vol.
K
kJ
2.391 J'bar*1 23.91 cm3
A- -2.194E+02 B= 1.004E-01 C* 4.877E+04
9/9/92
THERMODYN AMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 209
PLATTNERITE Formula wt 239.199
PbO2 : Tetragonal crystals 298.15 to 1200 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200
f O O O / tj O 17 Q \ / T ^ / O O 17 Q \ / T A TI^ A *»f ®
, -1 -.1 , , .-I J*mol X »K x kJ*mol *
Log Kf
61.1761.3568.2371.8274.1175.7977.1478.3079.3480.3181.23
71.8072.1890.90106.54119.85131.41141.62150.77159.08166.69173.71
0.000.38
16.5927.3134.9340.6545.1348.7551.7654.3156.52
71.8071.8074.3179.2384.9290.7696.49102.02107.32112.37117.20
-277.4-277.4-276.6-275.4-274.2-277.8-276.5-275.1-273.7-272.1-270.5
-218.3-218.0-198.3-178.8-159.6-139.8-120.2-100.7-81.4-62.2-43.2
38.2537.9525.8918.6813.8910.437.855.844.252.961.88
Melting T K
kJ
36.78 kJ
Boiling T
Molar Vol.
K
kJ
2.501 J'bar'1 25.01 cm3
-2.752E+02 B* 1.937E-01 C» -7.72E+04
9/9/92
210 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MINIUM Formula wt 685.598
Pb3O4 : Tetragonal crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
A^H0
cp
154.90155.37172.92182.83189.73195.21199.94204.22208.23212.07215.78219.41222.97226.49229.97233.43236.86
ST
212.00212.96260.35300.08334.06363.73390.11413.91435.64455.66474.28491.69508.08523.59538.31552.36565.80
K
kJ
<HT-H298 )/T
0.000.96
42.0169.2588.78103.61115.36125.00133.12140.13146.28151.76156.72161.26165.44169.34173.00
-(GT-H298 )/T
212.00212.00218.35230.83245.27260.12274.75288.91302.51315.54328.00339.93351.36362.33372.87383.02392.80
AfH°
._ .-
-718.7-718.7-716.3-713.0-709.5-720.3-716.3-711.8-707.0-701.8-696.2-690.2-683.9-677.3-670.4-663.1-655.6
Boiling
Av*H°
AfG°
1
-601.6-600.9-562.0-523.7-486.2-446.9-408.1-369.8-332.1-294.9-258.1-221.9-186.1-150.7-115.8-81.4-47.4
T
Molar Vol. 7.H298"H8
-
kJ
-6.975E+02 B= 3.642E-01
76.
Log Kf
105.40104.6273.3854.7142.3333.3526.6521.4617.3514.0011.248.916.945.253.782.501.37
K
kJ
681 J'bar'181 cm3
C* -1.26E+06
8/21/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 211
SULFUR DIOXIDE Formula wt 64.065
Ideal gas at p = 1 bar, 298.15 to 2500 K,
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900100011001200130014001500160017001800
Melting T
AftJH0
H298~H8
°P
39.8539.9243.4846.5348.9250.7852.2353.3854.2955.0155.6056.0756.4656.7957.0657.2957.49
A
ST
248.20248.45260.42270.47279.17286.86293.74299.96305.63310.84315.65320.12324.29328.20331.87335.34338.62
K
kJ
10.55 kJ
= -3.536E+02
<Hf-H298 )/T
1-l.v-l
0.000.2510.6117.5022.5526.4529.5932.1734.3436.1937.7839.1740.3941.4742.4443.3144.09
B=
-<GT-H298 )/T
248.20248.20249.81252.96256.62260.40264.15267.78271.29274.65277.87280.95283.90286.72289.43292.03294.53
6.628E-02
AfH° AfG°
-296.8-296.8-300.2-302.7-304.7-306.3-307.7-362.1-362.0-361.9-361.8-361.7-361.6-361.5-361.5-361.4-361.4
0
kJ- 1~1
-300.1-300.1-300.9-300.8-300.3-299.4-298.3-296.0-288.6-281.3-274.0-266.7-259.3-252.1-244.8-237.4-230.2
Boiling T
A^'
Molar Vol. 247824789
3.246E+06
Log Kf
52.5752.2539.3031.4326.1422.3419.4817.1815.0813.3611.9310.719.688.787.997.306.68
K
kJ
.97 J'bar'1
.7 can3
9/9/92
212 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
SULFUR TRIOXIDE Formula wt 80.064
SO3 : Ideal gas at p « 1 bar, 298.15 to 2200 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
A^H0
CP
50.6350.7757.6963.0967.1670.2672.6474.4975.9377.0777.9678.6879.2579.7180.0880.3880.64
S o T
256.80257.11272.70286.18298.06308.66318.20326.87334.80342.09348.83355.10360.96366.44371.60376.46381.06
K
kJ
(Hf-H$98 )/T
«1 _-l
0.000.31
13.8223.1630.1735.6940.1643.8847.0249.7052.0254.0455.8257.4058.8160.0761.20
-(Gf-H298 )/T
256.80256.80258.88263.02267.89272.97278.04282.99287.78292.39296.82301.06305.13309.04312.79316.39319.86
AfH« AfG°
-395.7-395.7-399.3-401.8
kJ-mol"1
-371.0-370.8-362.2-352.6
-403.6 -342.6-405.0-406.0-460.0-459.6-459.0-458.5-458.0-457.4-456.9-456.3-455.8-455.3
-332.3-321.9-310.2-293.6-277.0-260.5-244.0-227.6-211.2-194.8-178.5-162.2
Boiling T
Av^°
Molar Vol. 2478.H298~H8
A«
kJ
-4.504E+02 B= 1.580E-01 C*
24789.
3.103E+06
Log Kf
64.9964.5647.3036.8429.8324.8021.0218.0015.3413.1511.349.808.497.356.365.484.71
K
kJ
97 J'bar'17 cm3
4/9/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 213
SILICON MONOXIDE Formula wt 44.085
SiO: Ideal gas at p = 1 bar, 298.15 to 1800 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
CP
29.9029.9231.1532.3833.3934.1934.8235.3335.7236.0436.3036.5136.6736.8136.9337.0337.11
COST
211.60211.79220.55227.64233.64238.85243.45247.59251.33254.75257.90260.81263.52266.06268.44270.68272.80
(Hf-HJ98 ,/T
-1-1
0.000.187.77
12.5715.9618.5120.5122.1323.4724.6025.5626.4027.1327.7728.3428.8429.30
-(Gf-H298 )/T
211.60211.60212.79215.07217.68220.34222.95225.46227.86230.15232.33234.41236.40238.29240.10241.84243.50
AfHc
VT
-100.4-100.4-101.0-101.6-102.3-103.0-103.7-104.4-105.2-106.0-106.9-107.8-108.7-109.7-110.7-162.0-162.8
AfG°
mol"1
-127.3-127.5-136.4-145.2-153.8-162.4-170.8-179.2-187.4-195.6-203.7-211.8-219.7-227.6-235.5-242.8-247.5
Log Kf
22.3022.1917.8115.1713.3912.1211.1510.409.799.298.878.518.207.937.697.467.18
Melting T Boiling T
H2"98~H8
kJ
8.71 kJ
K
kJ
Molar Vol. 2478.97 J«bar'1 24789.7 cm3
A= -1.084E+02 B= -7.908E-02 C« 4.562E+05
4/10/92
214 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
QUARTZ Formula wt 60.084
SiO2 : Trigonal crystals 298.15 to a-0 transition at 844 K. ^-crystals 844 to 1700. The melting point is estimated to be 1700 K. Liquid 1700 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
CP
44.5944.7853.2759.6865.0469.8274.2568.6269.1269.7470.4371.1771.9672. 7773.6074.4581.37
ST
41.4641.7455.8568.4579.8290.2199.83
109.00116.25122.87128.96134.63139.93144.92149.65154.14164.31
(HT-H$98 )/T
J'mol'^K*1 -
0.000.2812.5221.3428.1833.8038.5842.9345.5247.6949.5651.1952.6553.9655.1656.2762.89
-<GT-H298 )/T
41.4641.4643.3347.1151.6456.4161.2566.0770.7375.1879.4083.4487.2890.9694.4997.87
101.42
AfH°
kJ
-910.7-910.7-910.9-910.5-909.8-908.8-907.4-905.6-904.8-904.1-903.3-902.5-901.8-901.0-900.2-949.6-938.5
AfG°
-856.3-855.9-837.7-819.4-801.2-783.2-765.3-747.7-730.2-712.8-695.4-678.1-660.9-643.7-626.6-609.0-589.6
Log Kf
150.01149.03109.3885.6069.7558.4449.9743.3938.1433.8530.2727.2524.6622.4120.4618.7117.11
Melting T Boiling T
H298~H8
kJ
6.916 kJMolar Vol.
K
kJ
2.269 J'bar'1 22.69 cm3
A« -9.047E+02 B- 1.744E-01 O -3.39E+05
01/06/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 215
CRISTOBALITE Formula wt 60.084
SiO2 : Tetragonal crystals, a, 298.15 to 523 K. Cubic crystals, P, 523 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Aft»H°
H298-H8
CP
44.9545.1550.7368.5962.0665.2367.3468.8269.9270.7771.4472.0072.4772.8773.2273.5373.82
-
COST
43.4043.7057.9370.5684.6094.42103.28111.30118.61125.32131.50137.24142.60147.61152.32156.77160.98
1996 K
kJ
7.04 kJ
-9.029E+02
(HT-HJ98)/T
J'mol"1 ^'1
0.000.2812.6321.4829.9634.7838.7341.9944.7447.0749.0750.8152.3453.7054.9155.9956.98
B=
-(GT-H|98 )/T
43.4043.4245.3149.0854.6459.6464.5569.3173.8778.2682.4386.4390.2693.9197.41100.78104.00
1.719E-01
AfH° AfG°
-908.4-908.4-908.5-908.2-906.5-905.8-905.0-904.2-903.3-902.4-901.6-900.7-899.9-899.1-898.3-947.8-946.8
C-
kJ-mol"1
-854.6-854.2-836.1-818.1-800.7-783.1-765.7-748.3-731.0-713.8-696.7-679.7-662.7-645.8-628.9-611.7-591.9
Boiling T
A^H°
Molar Vol. 225
-2.62E+05
Log K«
149.71148.73109.1985.4669.7158.4449.9943.4338.1833.9030.3327.3124.7322.4920.5318.7917.18
K
kJ
.574 J-bar1
.74 cm3
01/06/93
216 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
COESITE Formula wt 60.084
SiO2 : Monoclinic crystals 298.15 to 1800 K.
Temp.
298.15300400500600700800900100011001200130014001500160017001800
Melting T
Aft»H°
H2*98~H5
CP
45.4645.5852.6058.5162.8165.8467.9469.4170.4571.2371.8672.4573.0673.7574.5675.5476.71
6
ST i
38.5038.7852.8565.2676.3386.2595.19
103.28110.65117.40123.63129.40134.79139.86144.64149.19153.54
K
kJ
.89 kJ
A* -9.036E+02
(HJ-HJ98 )/T -(G
-1-1
0.000.28
12.4821.1227.7332.9737.2240.7243.6446.1248.2450.0851.7053.1454.4655.6756.80
B« 1.799E-01
38.5038.5040.3744.1348.5953.2857.9762.5667.0171.2875.3979.3383.1086.7190.1993.5296.74
FORMATION
/T AfH°
-907.8-907.8-908.0-907.7-907.2-906.5-905.6-904.7-903.8-902.9-902.0-901.1-900.2-899.3-898.5-947.7-946.6
Boiling
AV*H°
Molar Vol
0 -2.39E+05
FROM THE
AfG°
-1
-852.5-852.2 833 . 6-815.0-796.5-778.1-759.8-741.6-723.6-705.6-687.7-669.9-652.1-634.4-616.8-598.8-578.2
T
220.
ELEMENTS
Log Kf
149.35148.37108.8585.1469.3458.0649.6143.0437.7933.5029.9326.9124.3322.0920.1418.4016.78
K
kJ
.064 J-bar'164 cm3
8/28/92
THERMOD YNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 217
STISHOVITE Formula wt 60.084
SiO2 : Tetragonal crystals 298.15 to 1800 K,
Temp.
298.15300400500600700800900100011001200130014001500160017001800
Melting T
Aft.H°
H2*98~H5
cp
42.9943.2453.5059.4263.1465.6067.3268.5869.5870.4271.2071.9772.7973.6874.6875.8077.06
A=
ST
27.7828.0542.0454.6765.8575.7884.6692.6799.95106.62112.78118.51123.87128.92133.71138.27142.64
K
kJ
7.74 kJ
-8.572E+02
(Hf-H|98 )/T
0.000.2712.4221.2827.9733.1837.3440.7543.5845.9948.0549.8651.4752.9254.2555.4856.65
-(GT-H29Q )/T
27.7827.7829.6233.3937.8942.6147.3251.9256.3660.6364.7268.6472.4076.0079.4682.7985.99
FORMATION
A£H°
kJ*mo
-861.3-861.3-861.5-861.2-860.6-859.8-859.0-858.2-857.4-856.5-855.7-854.9-854.0-853.2-852.3-901.6-900.3
FROM THE
A£G°
i-l
-802.8-802.4-782.8-763.1-743.6-724.1-704.8-685.6-666.4-647.4-628.4-609.5-590.6-571.8-553.1-534.0-512.4
Boiling T
B= 1.907E-01
A^H°
Molar Vol. 1.14.
ELEMENTS
Log Kf
140.65139.72102.2279.7264.7354.0346.0239.7934.8130.7427.3524.4922.0419.9118.0616.4114.87
K
kJ
4014 J'bar'1014 cm3
C- -2.28E+05
12/17/91
218 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
SILICA GLASS Formula wt 60.084
SiO2 : Glass 298.15 to estimated melting point 1700 K,
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100120013001400150016001700
CP
37.9438.3653.1759.9563.6465.9367.5368.7769.8470.8271.7972.7773.8174.9076.0777.32
ST
48.5048.7462.1174.7986.0796.07104.98113.01120.31127.01133.22139.00144.43149.56154.43159.08
(Hf-H298 )/T
J»mol »K -
0.000.2411.8920.9027.7433.0437.2640.6943.5645.9948.1049.9651.6353.1454.5455.84
-<GT-H298 )/T
48.5048.5050.2253.8958.3363.0267.7272.3176.7581.0285.1289.0492.8196.4299.90103.24
AfH°
k_
-901.6-901.6-902.0-901.7-901.0-900.2-899.4-898.6-897.7-896.8-895.9-895.0-894.1-893.1-892.1-941.2
A£G°
.-1
-849.3-849.0-831.3-813.7-796.1-778.7-761.4-744.2-727.1-710.1-693.2-676.3-659.5-642.8-626.1-609.1
Log Kf
148.79147.81108.5685.0069.3158.1149.7143.1937.9833.7230.1727.1724.6122.3820.4418.71
Melting T
H2*98~H5
1700 K
kJ
6.998 kJ
A* -8.966E+02
Boiling T
B- 1.694E-01
Molar Vol
C- -3.06E+05
K
kJ
2.727 J'bar1 27.27 cm3
2/25/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 219
CASSITERITE Formula wt 150.709
SnO2 : Tetragonal crystals 298.15 to 1903 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200130014001500
CP
53.2253.5465.0970.8374.2876.6678.4679.9281.1882.3083.3384.3085.2186.10
ST
49.0249.3566.5681.7695.00106.64117.00126.32134.81142.60149.81156.52162.80168.71
(HT-H298 )/T
-1-1
0.000.3315.2725.8633.6639.6444.3948.2651.4954.2456.6258.7160.5762.25
-<GT-H298 )/T
49.0249.0251.2955.9061.3466.9972.6178.0783.3288.3693.1997.80102.22106.46
AfH°
kJ
-577.6-577.6-577.4-576.6-582.6-581.1-579.5-577.8-576.0-574.1-572.2-570.2-568.2-566.1
AfG°
mol"1
-515.8-515.4-494.7-474.1-452.3-430.8-409.4-388.2-367.3-346.5-325.9-305.4-285.1-265.0
Log Kf
90.3689.7464.6049.5339.3832.1426.7322.5319.1816.4514.1812.2710.649.23
Melting T
HJ98-H§
1903 K
kJ
8.38 kJ
Boiling T K
A^0 kJ
Molar Vol. 2.155 J-bar'1 21.55 cm3
A« -5.763E+02 B- 2.084E-01 O -1.755E+05
6/11/93
220 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
STRONTIUM MONOXIDE Formula wt 103.619
SrO: Cubic crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
CP
45.4145.4948.6650.6252.0653.2454.2655.1956.0456.8657.6358.3859.1159.8360.5361.2261.90
ST
55.5255.8069.3780.4589.8197.93105.10111.55117.41122.79127.77132.41136.76140.87144.75148.44151.96
(Hf-H298 )/T
J-mol"1 ^'1 -
0.000.2812.0219.5524.8628.8331.9534.4836.5938.4039.9741.3642.6043.7244.7545.7046.58
-<H-HJ98 )/I
55.5255.5257.3560.8964.9569.1073.1677.0780.8284.3987.8091.0694.1797.14100.00102.74105.38
? AfH°
-591.3-591.3-590.8-590.2-589.5-588.9-588.4-588.5-587.7-594.7-594.7-594.7-594.5-594.4-594.1-730.7-728.5
AfG°
-1
-560.7-560.5-550.3-540.2-530.3-520.5-510.7-501.0-491.3-481.3-471.0-460.7-450.4-440.1-429.8-418.4-400.1
Log Kf
98.2297.5971.8656.4346.1638.8433.3529.0725.6622.8620.5018.5116.8015.3314.0312.8611.61
Melting T Boiling T
H598~H8
kJ
8.675 kJMolar Vol.
K
kJ
2.069 J-bar'1 20.69 cm3
A« -5.956E+02 B- 1.047E-01 C= 3.940E+05
10/2/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 221
THORIANITE Formula wt 264.037
Th02 : Cubic crystals 298.15 to 1200 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200
CP
61.7961.9567.8270.9572.9974.5275.7876.8877.8878.8279.72
Sf
65.2065.5884.3199.81112.94124.31134.34143.34151.49158.96165.85
(Hf-H|98 )/T
1-1. K'1
0.000.3816.6027.1834.6640.2544.6148.1451.0653.5455.69
-<GT-H298 )/T
65.2065.2067.7272.6378.2884.0689.7395.20100.43105.41110.17
A£H°
kJ
-1226.4-1226.4-1225.5-1224.4-1223.2-1222.0-1220.8-1219.7-1218.6-1217.5-1216.5
A£G°
mol"1
-1169.2-1168.9-1149.8-1131.0-1112.5-1094.1-1075.9-1057.9-1040.0-1022.2-1004.5
Log Kf
204.84203.51150.15118.1596.8581.6470.2561.4054.3248.5443.72
Melting T
kJ
10.56 kJ
Boiling T
Molar Vol.
K
kJ
2.637 J'bar'1 26.37 cm3
A- -1.219E+03 B- 1.794E-01 0 -3.21E+05
9/10/92
222 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
RUTILE Formula wt 79.879
TiO2 : Tetragonal crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
CP
55.2955.4963.1967.2969.8571.6272.9273.9474.7775.4576.0476.5576.9977.3977.7678.0978.39
COST
50.6250.9668.1282.7095.21106.12115.77124.42132.25139.41146.00152.11157.80163.13168.13172.86177.33
<Hf-H298 )/T
J-mol"1 ^"1 -
0.000.3415.2125.2532.4937.9642.2545.7248.5850.9953.0654.8556.4157.8059.0360.1461.15
-<GT-H298 )/T
50.6250.6252.9157.4562.7268.1673.5278.7083.6788.4292.9597.26101.39105.33109.10112.71116.18
AfH°
1. T
-944.0-944.0-943.6-942.8-942.0-941.0-940.1-939.1-938.3-937.6-941.0-940.0-939.0-938.0-937.2-936.5-935.9
AfG°
mol~^
-888.8-888.4-869.9-851.6-833.4-815.4-797.5-779.8-762.1-744.5-726.9-709.1-691.4-673.7-656.1-638.5-621.0
Log Kf
155.70154.68113.6088.9672.5660.8552.0745.2639.8135.3531.6428.4925.7923.4621.4219.6218.02
Melting T 2103 K
kJ
8.67 kJ
Boiling T
Molar Vol.
K
kJ
1.882 J-bar'1 18.82 cm3
A- -9.385E+02 B« 1.766E-01 C« -2.66E+05
4/5/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 223
ANATASE Formula wt 79.879
TiO2 : Tetragonal crystals 298.15 to 1300 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000110012001300
Melting T
H298~H5
CP
55.3255.5964.7168.6070.6972.0773.1574.1075.0175.9176.8277.74
A-
ST
49.9050.2467.6982.6095.31106.32116.01124.68132.54139.73146.37152.56
K
kJ
kJ
-9.331E+02
(HT-H298 )/T
_1 _1
0.000.3415.4725.7633.0938.5642.8246.2449.0751.4753.5555.37
B=
-<H-HS98 )/i
49.9049.9052.2256.8562.2267.7573.1978.4483.4688.2692.8397.19
1.767E-01
*i
-938-938-938-937-936-935-934-933-932-931-935-934
C
:H° A fG°
.7 -883.2
.7 -882.9
.2 -864.4
.3 -846.0
.3 -827.8
.3 -809.8
.3 -792.0
.3 -774.2
.5 -756.6
.8 -739.1
.2 -721.4
.0 -703.7
Boiling T
Molar Vol. 220
« -2.60E+05
Log K£
154.74153.72112.8788.3872.0760.4351.7144.9339.5235.0931.4028.27
K
kJ
.052 J'bar'1
.52 cm3
9/10/92
224 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
URANINITE Formula wt 270.028
U02 : Cubic crystals 298.15 to 1800 K.
FORMATION FROM THE
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Aft»H°
H598~H6
CP
63.6063.8271.6575.5177.9679.8281.4282.9084.3185.7087.0788.4589.8491.2492.6494.0595.48
A
ST
77.0377.4297.01113.46127.45139.62150.38160.06168.87176.97184.48191.51198.11204.36210.29215.95221.37
3151 K
kJ
11.28 kJ
-1.083E+03
(H*-HJ98 )/T
I-mol"1 -*"1
0.000.39
17.3728.6436.6742.7147.4551.3154.5457.3159.7361.8963.8365.6167.2668.7970.24
B=
-<GT-H298 )/T
77.0377.0379.6584.8190.7896.91102.93108.75114.33119.66124.75129.62134.28138.74143.03147.16151.13
1.718E-01
AfH° AfG°
-1084.9-1084.9-1083.9-1082.7-1081.5-1080.5-1079.7-1079.3-1081.6-1085.3-1084.1-1082.7-1081.2-1089.3-1088.5-1087.7-1086.8
c-
-1031.7-1031.4-1013.7-996.3-979.2-962.2-945.4-928.6-911.7-894.5-877.2-860.0-843.0-825.4-807.8-790.3-772.8
Boiling T
A^H°
Molar Vol. 224
1.932E+04
ELEMENTS
Log K£
180.75179.58132.38104.0885.2471.8061.7253.8947.6242.4838.1834.5631.4528.7426.3724.2822.43
K
kJ
.4618 J-bar'1
.618 cm3
12/17/91
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 225
KARELIANITE Formula wt 149.881
V2O3 : Rhombohedral crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200130014001500160017001800
Melting T
Aft.H°
CP
104.96105.33117.82123.52127.11129.99132.67135.32138.04140.84143.74146.73149.80152.95156.17159.46162.80
ST
98.1098.75131.04158.01180.86200.68218.21233.99248.39261.68274.05285.68296.66307.11317.08326.65335.85
K
kJ
<HT-H$98 )/T
J»mol »K
0.000.65
28.6247.0960.1469.9277.6083.8689.1493.7297.76101.41104.76107.87110.79113.55116.19
-<G*-HJ98 ,/'
98.1098.10
102.42110.92120.72130.76140.62150.13159.25167.96176.29184.26191.90199.24206.29213.09219.66
I AfH°
UT
-1218.8-1218.8-1217.1-1214.9-1212.6-1210.1-1207.7-1205.2-1202.6-1200.1-1197.4-1194.7-1192.0-1189.2-1186.2-1183.4-1180.4
AfG°
mol"1
-1139.0-1138.6-1112.0-1086.0-1060.4-1035.3-1010.5-986.0-961.7-937.8-914.1-890.5-866.3-844.1-821.3-798.5-775.9
Boiling T
^^°
Molar Vol. 2H298~H5
A=
kJ
-1.197E+03 - 2.355E-01 C--1.
29
14E+06
Log Kf
199.55198.23145.21113.4592.3277.2565.9757.2250.2444.5339.7935.7832.3629.3926.8124.5322.52
K
kJ
.985 J«bar!
.85 cm3
6/11/93
226 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
TUNGSTEN DIOXIDE Formula wt 215.849
WO2 : Monoclinic crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
AtoH°
CP
55.7855.9863.6067.8370.7473.0274.9776.7278.3579.9081.3982.8584.2885.6987.0988.4789.85
ST (i_
50.6050.9568.2282.9195.54
106.62116.51125.44133.61141.15148.16154.74160.93166.79172.37177.69182.78
K
kJ
sT-H298
l~l.i
0.000.34
15.3225.4332.7538.3542.8146.4849.5852.2754.6356.7558.6660.4262.0463.5664.98
)/T ~(GT-H298 )/1
t *
50.6050.6052.9057.4862.7968.2873.7078.9684.0288.8893.5397.99
102.26106.37110.32114.13117.80
AfH°
kJ-mol"
-589.7-589.7-589.1-588.1-586.9-585.6-584.1-582.6-581.1-579.4-577.7-575.9-574.0-572.0-570.0-567.9-565.8
Boiling
AV*H°
AfG°
1
-533.9-533.5-514.9-496.4-478.2-460.2-442.4-424.8-407.3-390.0-372.9-355.9-339.1-322.3-305.8-289.3-273.0
T
Molar Vol. 2.H298"H8
A=
kJ
-5.776E+02 B- 1.702E-01
20.
Log Kf
93.5392.8967.2451.8641.6334.3428.8924.6521.2818.5216.2314.3012.6511.229.988.897.92
K
kJ
003 J-bar'103 cm3
C* -6.726E+05
9/10/92
THERMODYNAMIC PROPERTIES AT fflGH TEMPERATURE OF INDIVIDUAL PHASES 227
ZINCITE Formula wt 81.389
ZnOt Hexagonal crystals 298.15 to 1800 K.
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
A^H 0
H298~H5
CP
40.4240.5344.5646.7448.2249.3850.3751.2852.1352.9453.7454.5255.2956.0656.8257.5858.34
FORMATION FROM THE ELEMENTS
S| (HT-H$98 )/T -(GT-H$g 8 )/T AfH° AfG° Log Kf
43.2043.4555.7365.9374.5982.1188.7794.76
100.20105.21109.85114.18118.25122.09125.74129.20132.52
2242 K
kJ
6.93 kJ
i - UIW4. - «v
0.000.25
10.8917.8622.8026.5229.4431.8133.8035.5136.9938.3139.5040.5741.5742.4943.35
43.2043.2044.8548.0751.7955.6059.3462.9466.4069.7172.8675.8778.7681.5284.1786.7289.17
-350.5-350.5-350.3-349.9-349.6-356.6-356.4-356.1-355.8-355.5-470.2-468.6-467.0-465.3-463.6-461.8-460.0
-320.4-320.2-310.1-300.1-290.2-280.2-269.4-258.5-247.7-236.9-224.2-203.7-183.4-163.1-143.0-123.0-103.3
Boiling T
Av*H°
Molar Vol.
56.1255.7540.4931.3525.2620.9117.5915.0012.9411.259.758.186.845.684.673.783.00
K
kJ
1.434 J-bar'114.34 cm3
10/7/92
228 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
BAODELEYITE Formula wt 123.223
ZrO2 : Monoclinic crystals 298.15 to 1478 K. Tetragonal crystals 1478 to 1800 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000110012001300140014781500160017001800
r° CP
56.1856.3563.2167.5170.4572.5774.1675.3876.3277.0677.6378.0878.4178.6274.4874.4874.4874.48
ST
50.4050.7567.9982.5995.17106.20116.00124.80132.80140.11146.84153.07158.87163.13168.28173.09177.60181.86
(H*-H598 )/T
J-l. ,,-1
0.000.3515.2825.3332.6238.1842.5846.1649.1351.6453.7855.6457.2558.3762.6063.3464.0064.58
-(Gf-H29Q )/T
50.4050.4052.7057.2662.5568.0273.4178.6483.6688.4793.0597.43101.62104.75105.68109.75113.60117.28
A£H°
kJ«
-1100.6-1100.6-1100.1-1099.2-1098.2-1097.1-1095.9-1094.8-1093.7-1092.7-1095.5-1094.2-1092.9-1092.2-1085.8-1085.0-1084.4-1083.8
AfG°
.-1
-1042.9-1042.5-1023.2-1004.1-985.1-966.4-947.8-929.4-911.0-892.8-874.5-856.1-837.8-822.5-819.8-802.1-784.4-766.7
Log K£
182.70181.51133.61104.8985.7672.1161.8853.9447.5942.4038.0634.4031.2629.0728.5526.1824.1022.25
Melting T
H§98~H8
3123 K
kJ
8.75 kJ
Boiling T
Molar Vol.
K
kJ
2.115 J'bar'1 21.15 cm3
-1.0934E+03 B= 1.81734E-01 O -4.273.01E+05
9/9/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 229
CHRYSOBERYL Formula wt 126.973
BeAl2O4 : Orthorhombic crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Aft.H 0
H2"98~H8
CP
105.40106.01130.76145.88155.80162.63167.53171.18174.02176.33178.34180.18181.97183.80185.72187.80190.08
13
A»
S|
66.2666.91
101.12132.05159.58184.14206.19226.15244.33261.03276.46290.81304.23316.85328.77340.09350.89
R
kJ
.09 kJ
-2.308E+03
(Hf-H29Q )/T
J-mol"1 ^"1
0.000.65
30.3652.0768.5881.5792.01
100.62107.82113.95119.23123.85127.94131.60134.92137.97140.80
-
-(Gf-H298 )/T
66.2666.2670.7679.9891.00
102.58114.18125.53136.51147.09157.23166.96176.29185.25193.85202.12210.09
4.208E-01
AfH° AfG°
-2298.5-2298.5-2299.3-2298.9-2297.8-2296.5-2295.1-2293.8-2314.0-2312.7-2311.3-2309.8-2308.5-2307.0-2320.1-2318.1-2316.1
-
kJ-mol'1
-2176,2-2175.5-2134.3-2093.0-2051.9-2011.1-1970.4-1929.9-1888.0-1845.5-1803.1-1760.7-1718.6-1676.5-1634.2-1591.3-1548.6
Boiling T
Av*H°
Molar Vol. 3.34.
5.946E+05
Log Rf
381.26378.78278.71218.66178.64150.07128.65112.0198.6287.6378.4870.7564.1258.3853.3448.8944.94
R
kJ
432 J«bar'!32 cm3
7/17/92
230 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
CALCIUM FERRITE Formula wt 215.770
CaFe2O4 : Orthorhombic crystals 298.15 to melting point 1510 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500
CP
153.65153.95164.04168.83172.11174.98177.81180.73183.77186.94190.24193.66197.17200.78
COST
145.40146.35192.25229.41260.50287.24310.79331.90351.10368.76385.17400.53415.01428.74
(HT-H§98 )/T
J*mol~ *K~ -
0.000.95
40.6565.8583.3096.19106.22114.33121.12126.96132.10136.70140.89144.77
-<«J-HJ98 )/!
145.40145.40151.59163.56177.20191.05204.58217.57229.98241.80253.07263.83274.12283.97
r A fH°
kJ
-1520.3-1520.3-1518.1-1516.0-1514.4-1513.4-1513.8-1514.3-1516.4-1520.3-1530.6-1529.0-1527.2-1525.4
AfG°
mol""1
-1412.4-1411.7-1375.8-1340.5-1305.6-1270.9-1236.1-1201.4-1166.6-1131.4-1095.3-1059.1-1023.0-987.1
Log Kf
247.44245.79179.66140.04113.6694.8380.7169.7360.9353.7247.6842.5538.1734.37
Melting T 1510 K
108.2 kJ
25.42 kJ
Boiling T
Molar Vol.
K
kJ
4.498 J-bar"1 44.98 cm3
-1.519E+03 B» 3.537E-01 C- 1.473E+05
5/15/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 231
DICALCIUM FERRITE Formula wt 271.847
Orthorhombic crystals 298.15 to melting point 1750 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
10001100120013001400150016001700
CP
192.91193.61217.91228.76234.54238.04240.40242.13243.51244.66245.69246.63247.52248.37249.20250.02
ST
188.80190.00249.55299.48341.74378.18410.13438.55464.13487.40508.73528.44546.74563.85579.91595.04
\ **T **O Q ft 9 /
J * rool K *
0.001.19
52.7987.02
111.17129.06142.84153.78162.69170.09176.35181.72186.39190.49194.13197.40
-<G*-H298 >/<
188.80188.80196.76212.45230.57249.12267.29284.77301.45317.31332.38346.72360.36373.36385.77397.64
T AfH°
k_
-2138.3-2138.3-2135.4-2131.9-2128.7-2126.1-2126.2-2125.7-2127.3-2131.2-2149.8-2148.0-2146.4-2144.9-2143.7-2144.4
AfG°
.-1 ___
-1999.9-1999.1-1953.1-1907.9-1863.4-1819.4-1775.5-1731.7-1687.8-1643.7-1598.0-1552.1-1506.4-1460.7-1415.1-1369.5
Log Kf
350.37348.06255.04199.31162.22135.76115.92100.5088.1678.0569.5662.3656.2050.8646.2042.08
Melting T
H2"98~H8
1750 K
31.65 kJ
25.42 kJ
A= -2.135E+03
Boiling T
B= 4.491E-01
Molar Vol.
1.854E+05
K
kJ
6.718 J-bar'1 67.18 cm3
7/22/92
232 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
PEROVSKITE Formula wt 135.956
CaTiO3 : Orthorhombic crystals 1530 K; cubic crystals 1530 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
CP
97.6598.17
114.28119.98122.60124.31125.83127.43129.21131.20133.39135.76138.31141.01134.01134.01134.01
ST
93.6494.25
125.13151.34173.47192.50209.20224.11237.62250.03261.54272.31282.46292.10302.46310.58318.28
2188 K
/tIO_tlQ V /I*' T 298 ' /
J*mol «K
0.000.60
27.3845.4258.0967.4374.6380.4185.2089.2992.8796.0899.00
101.71105.26106.95108.47
-<GT-H2 98 )/'
93.6493.6497.74
105.92115.38125.07134.56143.70152.43160.74168.67176.23183.46190.38197.20203.63209.81
I A fH°
kJ
-1660.6-1660.6-1659.5-1657.8-1656.2-1654.8-1654.4-1653.4-1652.7-1652.4-1664.1-1662.5-1660.8-1658.9-1655.3-1654.4-1802.2
AfG°
mol" 1
-1574.8-1574.3-1545.6-1517.4-1489.4-1461.7-1434.1-1406.7-1379.3-1352.0-1323.9-1295.6-1267.5-1239.4-1211.8-1184.1-1154.3
Boiling T
AM,H°
Log Kf
275.89274.10201.83158.51129.66109.0793.6481.6472.0464.2057.6352.0647.2943.1639.5636.3833.50
K
kJkJ
Molar Vol.H298~H8 kJ
3.36333.63
J-bar'1 cm3
A» -1.657B+03 B» 2.783E-01 C» -4.73E+04
5/15/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 233
HERCYNITE Formula wt 173.808
FeAl2O4 : Cubic crystals 298.15 to 1400 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.1530040050060070080090010001100120013001400
Melting T
H598~H8
CP
128.91129.38148.11159.35167.07172.83177.38181.11184.28187.01189.43191.59193.55
eoST
117.00117.80157.85192.20221.97248.18271.56292.68311.93329.62346.00361.25375.52
K
kJ
kJ
A= -1.955E+03
(Hf-H|98 )/T -(G
- J-mol'^K""1
0.000.80
35.5259.2476.6089.95100.61109.35116.69122.96128.40133.18137.42
B= 3.799E-01
-T-H2-98»
117.00117.00122.34132.96145.37158.22170.95183.33195.24206.66217.60228.07238.10
C-
"I AfH°
V T
-1950.5-1950.5-1950.1-1948.9-1947.5-1946.0-1944.7-1943.9-1965.2-1965.7-1965.2-1963.1-1961.0
Boiling T
Molar Vol.
3.842E+05
AfG°
- mol~l ... ,.,IIIW J. ^^^^^^
-1838.1-1837.4-1799.7-1762.3-1725.1-1688.1-1651.4-1614.7-1576.7-1537.8-1498.9-1460.1-1421.6
4.07540.75
Log Kf
322.03319.92235.02184.10150.18125.97107.8293.7182.3673.0265.2558.6753.04
K
kJ
J«bar-Icm3
7/17/92
234 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
CHROMITE Formula wt 223.837
FeCr2O4 : Cubic crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
AtoH°
f>0cp
133.58133.95149.91160.48167.91173.37177.55180.85183.55185.84187.86189.69191.42193.10194.77196.47198.22
eoST
146.00146.83187.72222.38252.33278.64302.08323.19342.39359.99376.25391.36405.48418.74431.26443.12454.40
K
kJ
<HT-H$98 )/T
J«mol~*«K~*
0.000.82
36.2560.1077.4990.81
101.40110.05117.27123.40128.69133.32137.40141.06144.37147.38150.16
-(Of-HJse)/!
146.00146.00151.47162.27174.84187.83200.67213.13225.11236.59247.56258.04268.08277.68286.89295.74304.24
T AfH°
kJ-
-1445.5-1445.5-1444.7-1443.4-1441.7-1440.1-1438.6-1437.5-1437.3-1438.0-1438.3-1437.3-1436.6-1436.3-1436.4-1437.8-1439.1
AfG°
mol'1
-1344.5-1343.9-1310.1-1276.6-1243.4-1210.5-1177.8-1145.3-1112.8-1080.4-1047.8-1015.3-982.9-950.5-918.1-885.7-853.2
Boiling T
^1°
Molar Vol. 4.401H§98~H8
A»
kJ
-1.437E+03 B» 3.242E-01 C= -4.
44.01
01E+05
Log Kf
235.55233.99171.08133.36108.2590.3376.9066.4758.1351.3045.6240.8036.6733.1029.9727.2124.76
K
kJ
J'bar'1cm3
5/15/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 235
ILMENITE Formula wt 151.725
FeTiO3 : Rhombohedral crystals 298.15 to 1640 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000110012001300140015001600
CP
99.1899.47
111.62119.20124.35128.16131.26134.02136.71139.50142.50145.81149.48153.58158.15
COST
108.90109.51139.94165.72187.94207.41224.73240.35254.61267.77280.03291.57302.51312.96323.01
<HT-H298 )/T
J"mol *K -
0.000.61
26.9744.7257.5867.4175.2081.5886.9691.6195.7299.45
102.89106.13109.23
-(Gf-H29Q )/T
108.90108.90112.97121.01130.36140.00149.53158.77167.65176.16184.31192.12199.62206.83213.78
A£H°
1. T
-1232.0-1232.0-1231.1-1229.7-1228.1-1226.6-1225.2-1224.1-1223.6-1224.1-1227.7-1225.1-1222.3-1219.4-1216.3
AfG°
mol"1
-1155.0-1155.0-1129.5-1104.2-1079.2-1054.6-1030.1-1005.8-981.5-957.3-933.0-908.5-884.2-860.2-836.3
Log Kf
202.43201.10147.49115.3593.9578.6967.2658.3751.2745.4640.6136.5032.9929.9527.30
Melting T Boiling T
kJ
16.992 kJMolar Vol
K
kJ
3.169 J«bar'1 31.69 cm3
A= -1.224E+03 B= 2.424E-01 0 -3.82E-01
5/15/92
236 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ULVOSPINEL Formula wt 223.572
Fe2TiO4 : Cubic crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200130014001500160017001800
Melting T
A^H0
CP
142.27142.86160.79167.80172.68177.71183.47190.06197.44205.52214.21223.43233.11243.18253.60264.33275.32
COST
180.40181.28225.33262.05293.08320.07344.16366.15386.55405.74423.99441.50458.41474.83490.86506.55521.97
K
kJ
<Hf-H298 )/T
0.000.88
39.0464.1781.8595.18
105.85114.83122.72129.87136.53142.86148.96154.90160.74166.52172.26
-<GT-H29Q )/T
180.40180.40186.29197.88211.22224.89238.32251.31263.83275.87287.45298.63309.45319.93330.11340.03349.71
A£H°
kJ»
-1493.8-1493.8-1492.2-1490.3-1488.6-1487.2-1485.9-1485.1-1485.4-1486.9-1490.4-1485.5-1480.1-1473.9-1467.1-1461.5-1454.1
A£G°
rool'1
-1399.9-1399.4-1368.1-1337.3-1306.8-1276.6-1246.6-1216.8-1187.0-1157.0-1127.0-1096.9-1067.2-1037.9-1009.0-980.6-952.5
Boiling T
^I*
Molar Vol. 4.H298"H8
-
kJ
-1.482E+03 B= 2.956E-01 C= -5.
46.
73E+05
Log Kf
245.26243.64178.65139.70113.7795.2681.4070.6262.0054.9449.0544.0739.8236.1432.9430.1327.64
K
kJ
682 J-bar'182 cm3
5/26/93
THERMODYN AMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 237
SPINEL Formula wt 142.266
MgAl204 : Cubic crystals 298.15 to 1800 K,
FORMATION FROM THE
Temp.
298.15300400500600700800900100011001200130014001500160017001800
Melting T
Afc.H 0
CP
115.94116.46137.26149.86158.57165.13170.33174.63178.29181.48184.31186.85189.17191.29193.27195.12196.85
Sf (1
88.7089.42126.06158.14186.28211.24233.64253.96272.55289.70305.61320.46334.40347.52359.93371.70382.91
K
kJ
Si-H598 )/I
-1-1
0.000.7232.5154.8171.4184.3594.78
103.42110.73117.02122.51127.37131.70135.60139.15142.38145.36
' -(Gf-H$98 )/T
88.7088.7093.56103.34114.87126.89138.85150.53161.82172.67183.10193.10202.70211.92220.79229.32237.54
AfH° AfG°
-2299.1-2299.1-2299.8-2299.5-2298.6-2297.5-2296.5-2295.3-2324.3-2323.0-2321.6-2320.0-2445.7-2442.3-2438.9-2435.3-2431.6
kJ'mol"1
-2176.6-2175.9-2134.6-2093.3-2052.1-2011.2-1970.3-1929.7-1886.9-1843.2-1799.7-1756.1-1709.8-1657.3-1605.1-1553.0-1501.2
Boiling T
Av*H°
Molar Vol. 3H298~H5
*
15.41 kJ
* -2.3446E+03 B= 4.598E-01 C=
39
3.114E+06
ELgMENTS
Log K£
381.32378.84278.74218.68178.65150.07128.65111.9998.5687.5278.3370.5663.7957.7152.4047.7243.56
K
kJ
.971 J-bar-1
.71 cm3
5/21/93
238 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MAGNESIOCHROMITE (picrochromite) Formula wt 192.295
MgCr2O4 : Cubic crystals 298.15 to 1800 K.
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
A^H0
H298~H8
CP
126.82127.37147.88158.71165.47170.18173.72176.54178.86180.85182.60184.16185.57186.88188.09189.23190.31
A«
Sf (1
106.00106.79146.60180.87210.44236.32259.29279.92298.64315.79331.60346.28359.98372.83384.93396.36407.21
K
kJ
kJ
-1.7945E+03
*-"39B>/«
l-l.v-1
0.000.78
35.3159.0076.2289.3299.66108.05115.02120.92125.99130.40134.29137.76140.86143.68146.24
.' -<Gf-H298 )/T
106.00106.00111.29121.87134.22147.00159.63171.87183.62194.87205.61215.87225.68235.07244.06252.69260.97
FORMATION
A£H°
kJ- 1
-1783.6-1783.6-1783.2-1781.8-1780.1-1778.2-1776.5-1774.9-1782.1-1781.2-1780.4-1779.9-1907.2-1905.9-1905.0-1904.5-1904.3
FROM THE
A£6°
i-l
-1669.1-1668.4-1630.0-1591.8-1554.0-1516.4-1479.2-1442.1-1404.5-1366.8-1329.1-1291.6-1250.9-1204.0-1157.2-1110.5-1063.8
Boiling T
B» 3.960E-01
Ay^H0
Molar Vol. 443
ELEMENTS
Log Kf
292.41290.48212.85166.29135.28113.1696.5883.7073.3664.9057.8551.8946.6741.9337.7834.1230.87
K
kJ
.356 J'bar'1
. 56 cm
O 1.0556E+00
5/20/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 239
MAGNESIOFERRITE Formula wt 199.997
MgFe2O4 : Cubic (a) crystals 298.15 to 665 K. Cubic (0) crystals 665 to 1230 K. y-crystals 1230 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Afa.H0
H298"H8
cp
143.72144.10164.30180.83196.01187.13188.40189.68190.95192.23193.50180.93186.64192.36198.07203.79209.50
-
ST
121.80122.62167.06205.54239.86269.98295.05317.31337.36355.62372.40388.05401.67414.74427.34439.52451.33
K
kJ
kJ
-1.464E+03
(H*-HJ98,/T
J-mol""1 ^"1
0.000.71
39.3566.0286.43102.86113.47121.87128.71134.43139.30143.60146.47149.34152.21155.07157.94
B=
-(Gf-H|98 )/T
121.80121.91127.71139.52153.43167.12181.58195.44208.65221.19233.10244.45255.20265.40275.13284.45293.39
3.886E-01
AfH° AfG°
-1441.5-1441.5-1439.7-1437.0-1433.4-1429.3-1427.4-1426.5-1435.8-1438.4-1439.6-1437.5-1564.3-1561.9-1559.3-1558.1-1555.6
C*
IcT-mol ""^
-1329.6-1328.9-1291.6-1254.9-1218.8-1182.7-1147.6-1112.7-1077.1-1041.0-1004.9-968.8-929.6-884.4-839.3-794.3-749.4
Boiling T
Av*H°
Molar Vol. 4.45744.57
1.938E+06
Log Kf
232.93231.38168.66131.09106.1088.2574.9364.5856.2649.4343.7438.9334.6830.8027.4024.4021.75
R
kJ
J«bar*1cm3
5/20/93
240 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
GEIKIELITE Formula wt 120.183
MgTiO3 : Rhombohedral crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
CP
93.0393.37
106.87114.55119.39122.69125.10127.01128.65130.19131.72133.32135.06136.97139.09141.44144.04
ST
74.6475.22
104.13128.87150.22168.88185.43200.28213.75226.08237.47248.08258.02267.41276.31284.81292.97
(HT-H298)/T
J»mol~^»K~^ -
0.000.57
25.6442.7255.1264.5571.9877.9982.9787.2090.8494.0596.9199.52
101.93104.18106.32
-<GT-H298 )/T
74.6474.6478.4986.1695.10
104.33113.46122.29130.77138.89146.63154.03161.11167.89174.39180.63186.65
AfH°
UT
-1572.8-1572.8-1572.3-1571.2-1569.8-1568.4-1566.9-1565.5-1572.9-1572.0-1575.1-1573.7-1699.6-1696.7-1693.7-1690.7-1687.6
AfG°
-1484.4-1483.8-1454.2-1424.8-1395.7-1366.8-1338.1-1309.6-1280.5-1251.3-1222.0-1192.7-1160.3-1121.9-1083.6-1045.5-1007.7
Log Kf
260.05258.35189.90148.85121.50101.9987.3776.0066.8859.4253.1947.9243.2939.0735.3832.1229.24
Melting T Boiling T
H298~H5
kJ
13.64 kJMolar Vol.
K
kJ
3.086 J-bar'1 30.86 cm
A= -1.601E+03 B= 3.214E-01 O 2.118E+06
5/20/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 241
PYROPHANITE Formula wt 150.816
MnTiO3 : Rhombohedral crystals 298.15 to 1600 K.
FORMATION FROM THE ELEMENTS
Temp.
298.153004005006007008009001000110012001300140015001600
cp
99.86100.18111.74117.59121.20123.74125.71127.36128.80130.11131.33132.48133.59134.66135.71
ST
104.90105.52136.14161.76183.54202.43219.08233.99247.48259.82271.19281.75291.61300.86309.59
<HJ-H298 )/T
J-mol^-K'1 -
0.000.62
27.1444.7057.1766.5173.7979.6584.5088.5892.1095.1697.86100.28102.46
-<G*-HJ98 >/'
104.90104.90109.00117.06126.37135.92145.29154.34162.99171.24179.10186.59193.75200.58207.13
P AfH°
-1360.1-1360.1-1359.2-1358.0-1356.7-1355.5-1354.3-1353.4-1354.8-1354.2-1357.8-1356.8-1358.2-1359.8-1371.7
A£6°
-1
-1280.9-1280.4-1254.0-1227.8-1201.9-1176.2-1150.7-1125.3-1099.9-1074.5-1048.9-1023.2-997.6-971.7-945.2
Log Kf
224.41222.94163.75128.27104.6387.7775.1365.3157.4551.0245.6641.1137.2233.8430.86
Melting T Boiling T K
kJ
H298"H8
kJ
16.69 kJMolar Vol. 3.277 J«bar'1
32.77 cm3
A= -1.355B+03 B« 2.557E-01 C» -1.72E+05
2/24/94
242 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
TREVORITE Formula wt 234.382
NiFe204 : Cubic crystals 298.15 to 1000 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000
CP
146.87147.18164.04181.00198.00215.02232.05249.09266.13
ST
140.90141.81186.46224.88259.38291.18321.01349.32376.45
(HT-H298 )/T
J-mol'i-K"1 -
0.000.91
39.5866.1786.72103.83118.80132.33144.86
-<GT-H298 )/T
140.90140.90146.88158.71172.66187.35202.21217.00231.59
AfH°
kJ-m
-1070.5-1070.5-1068.8-1066.4-1063.2-1059.0-1053.7-1047.6-1041.6
A£6°
Q! 1
-965.1-964.5-929.4-894.8-860.7-827.3-795.0-762.5-731.1
Log Kf
169.08167.93121.3693.4774.9361.7351.9144.2538.19
Melting T
HS98~H5
kJ
kJ
Boiling T
Molar Vol
K
kJ
4.365 J«bar'1 43.65 cm3
A= -1.053E+03 3.232E-01 C* -8.04E+05
5/26/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 243
FRANKLINITE Formula wt 241.082
ZnFe2O4 : Tetragonal crystals 298.15 to 600 K.
FORMATION FROM THE ELEMENTS
Temp.
K
CP ST (Hf-H298 )/T -(Gf-H298 )/T A£H° AfG°
kJ'mol"1
Log Kf
298.15300400500600
193.37193.61203.23209.32214.01
150.70151.90209.05255.09293.68
0.001.19
50.6281.78103.44
150.70150.70158.43173.31190.24
-1188.1-1188.0-1181.9-1175.7-1169.9
-1082.1-1081.5-1046.9-1013.9-982.0
189.58188.30136.71105.9185.49
Melting T
kJ
H298~H8 kJ
Boiling T R
A^0 kJ
Molar Vol. 4.494 J-bar'1 44.94 cm3
A= -1.167E+03 B= 3.112E-01 O -7.364E-t-05
2/24/94
244 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ZINC TITANIUM SPINEL Formula wt 242.658
Zn2TiO4 : Tetragonal crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Aft.H°
H298"H5
CP
133.58134.01151.80163.31171.49177.64182.45186.31189.48192.12194.36196.26197.90199.31200.54201.60202.54
-
COST
143.10143.93185.13220.32250.85277.77301.82323.54343.34361.52378.34393.97408.58422.28435.18447.37458.93
K
kJ
kJ
-1.751E+Q3
(Hf-H298 )/T
J-mol"1 ^"1
0.000.83
36.5360.8178.6192.33103.31112.32119.89126.34131.91136.79141.10144.93148.37151.47154.28
B-
-(GT-H§98 )/T
143.10143.10148.60159.51172.25185.44198.51211.21223.45235.19246.42257.18267.48277.35286.81295.90304.64
4.850E-01
AfH° A£6°
-1652.1-1652.1-1651.4-1649.9-1647.9-1660.3-1658.2-1655.8-1653.3-1650.9-1882.6-1877.3-1872.1-1866.8-1861.6-1856.4-1851.3
C=
kJ-mol"1
-1538.4-1537.7-1499.7-1461.9-1424.5-1387.3-1348.4-1309.8-1271.5-1233.5-1191.6-1134.2-1077.3-1020.7-964.4-908.5-852.9
Boiling T
AV*H°
Molar Vol. 4.45.
6.790E+06
Log K£
269.52267.74195.83152.72124.01103.5288.0476.0266.4258.5751.8745.5740.1935.5431.4827.9124.75
K
kJ
558 J«bar'158 cm3
9/11/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 245
BROMARGYRITE Formula wt 187.772
AgBr: Cubic crystals 298.15 to melting point 703 K. Liquid 703 to 1000 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700703800900
1000
CP
52.3852.5058.9465.3971.8378.2778.4662.3462.3462.34
ST
107.10107.42123.41137.25149.75161.30162.63182.76190.08196.65
(Hf-H§98 )/T
1-1. K'1
0.000.3214.1723.7731.2437.5037.7052.1453.2854.18
-(Gf-H298 )/T
107.10107.10109.24113.48118.50123.80124.93130.62136.80142.47
AfH°
IrT
-100.4-100.4-114.6-112.9-110.5-107.6-107.5-96.8-95.3-93.9
AfG°
-97.0-96.9-92.8-87.5-82.6-78.2-78.3-75.4-72.7-70.3
Log Kf
16.9916.8812.119.147.195.835.824.924.223.67
Melting T 703 K
9.16 kJ
kJ
Boiling T K
kJ
Molar Vol. 2.899 J-bar'1 28.99 cm3
A= -1.0054E+02 B= 3.173E-02 C- -5.577E+05
5/20/93
246 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
POTASSIUM BROMIDE Formula wt 119.002
KBr: Cubic crystals 298.15 to melting point 1007 K. Liquid 1007 to boiling point 1671 K.
Temp.
298.153004005006007008009001000110012001300140015001600
Melting T
CP
52.2952.3453.8654.7956.2058.2160.7563.7467.0969.8769.8769.8769.8769.8769.87
FORMATION FROM THE ELEMENTS
S£ (H£-H§98 )/T ~(GT-H§98 )/T AfH° AfG° Log Kf
95.9096.22111.54123.65133.75142.56150.49157.82164.70196.66202.73208.32213.50218.32222.83
1007 K
im*d» *x
0.000.3213.5621.7127.3331.5935.0738.0940.8266.6266.8967.1267.3267.4967.64
95.9095.9097.98101.94106.42110.97115.42119.73123.89130.04135.84141.20146.18150.83155.19
-393.8-393.8-411.2-410.7-410.1-409.2-408.2-406.8-405.2-456.6-453.6-450.6-447.6-444.6-441.6
-380.4-380.3-372.3-362.6-353.0-343.6-334.3-325.1-316.1-305.1-291.4-278.0-264.9-251.9-239.2
Boiling T
66.6566.2248.6137.8830.7325.6421.8318.8716.5114.4912.6811.179.888.777.81
K
kJA^H0 25.5 kJ
Molar Vol. 4.328 J*bar'*HS98"H5
*
12.21 kJ
.- -4.330E+02 B= 1.198E-01 C=
43.28
1.642E+06
cm3
4/8/93
THERMODYN AMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 247
CHLORARGYRITE Formula wt 143.321
AgCl: Cubic crystals 298.15 to melting point 728 K; liquid 728 to 1000 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700728800900
1000
°P ST (HT-H298 )/T -<Gf-H298 )/T AfH' AfG*
t,T.«.-~ <| 1
50.7950.9556.6559.7061.7163.2263.8166.9466.9466.94
96.2396.54112.08125.08136.15145.78148.97172.34180.20187.27
0.000.31
13.7722.6829.0333.8134.9353.9255.3756.52
96.2396.2398.31102.40107.13111.98114.04118.42124.83130.75
Log K£
-127.1-127.1-125.9-124.5-122.9-121.2-120.7-106.4-104.4-102.5
-109.8-109.7-104.1-98.8-93.8-89.1-88.3-85.9-83.5-81.3
19.2419.1013.5910.328.176.656.335.614.844.25
Melting T
H298"H5
728 K
1289 kJ
12.033 kJ
Boiling T
Molar Vol
K
kJ
2.573 J-bar 25.73 cm3
A= -1.102E+02 B= 3.084E-02 O -8.08E+05
5/20/92
248 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
HYDROPHILITE Formula wt 110.983
CaCl2 : Orthorhombic crystals 298.15 to 1045 K. Liquid 1045 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
AU»H O
CP
72.8372.9375.7176.8678.0079.4581.2683.4085.81
102.53102.53102.53102.53102.53102.53102.53102.53
28
ST
104.60105.05126.50143.52157.63169.76180.48190.18199.09235.46244.37252.58260.17267.24273.86280.07285.93
1045 K
.54 kJ
/uo_uo \ /IP |Xlm **298 'I
J*mol *K
0.000.45
18.9930.4638.2844.0648.5952.3455.5685.1286.5787.8088.8589.7690.5691.2691.89
-(Gf-H298 )/T
104.60104.60107.51113.07119.35125.71131.89137.84143.53150.34157.80164.78171.32177.48183.30188.81194.04
A fH°
-795.8-795.8-794.4-793.1-792.0-790.9-790.8-789.8-788.9-758.7-764.4-761.4-758.4-755.4-752.5-749.5-895.3
Boiling
Av*H°
AfG°
1
-747.7-747.4-731.5-715.9-700.5-685.4-670.3-655.3-640.4-627.1-614.6-602.2-590.1-578.2-566.4-554.9-541.4
T
Molar Vol. 5.075H598-H8 15.27 kJ 50.75
Log Kf
130.99130.1395.5274.7860.9951.1443.7638.0333.4529.7826.7524.2022.0220.1318.4917.0515.71
K
kJ
J'bar'1cm3
A= -7.714E+02 B- 1.293E-01 C- -1.447E+06
3/04/94
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 249
LAWRENCITE Formula wt 126.752
FeCl2 : Rhombohedral crystals 298.15 to 950 K; liquid 950 to 1300 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
1000110012001300
CP
76.3476.5481.0481.4981.9283.1785.3188.28
102.17102.17102.17102.17
H
117.95118.42141.27159.42174.30187.01198.25208.46263.64273.34282.21290.41
(H*-HS98 ,/T
J»mol «K
0.000.47
20.2332.4540.6546.6351.3255.25
102.17102.16102.16102.15
-<GT-H298 )/T
117.95117.95121.04126.96133.65140.39146.93153.21161.47171.18180.05188.26
AfH°
kJ»
-341.7-341.6-339.8-338.1-336.6-335.4-334.3-333.3-289.4-288.6-287.1-284.1
AfG°
--1
-302.2-302.0-289.1-276.6-264.4-252.5-240.7-229.1-219.8-212.8-206.0-199.4
Log K£
52.9552.5837.7528.8923.0218.8415.7213.3011.4810.118.978.01
Melting T
HS98"H5
950 K
43.01 kJ
16.27 kJ
Boiling T 1347 K
124.81 kJ
Molar Vol. 3.946 J-bar'1 39.46 cm3
A» -3.136E+02 9.168E-02 C* -1.52E+06
3/26/93
250 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MOLYSITE Formula wt 162.205
FeCl3 : Crystals 298.15 to melting point 577 K; liquid 577 to boiling point 605 K; Ideal gas (dimer) 605 to 700 K.
FORMATION FROM THE ELEMENTS
Temp. C
K
>O COp ST (Hf-H298 )/T -(GT-H298 )/T AfH°
kJ'mol'1
AfG° Log Kf
298.15300400500600700
96.6796.67107.70119.86133.8971.13
142.26142.86171.86197.34294.42344.71
0.000.60
25.7243.46128.55154.70
142.26142.26146.14153.88165.87190.01
-399.2-359.4-396.9-393.7-346.8-324.5
-333.8-333.4-311.8-290.8-272.3-263.3
58.4758.0440.7130.3823.7119.64
Melting T 577 K Boiling T 605 K
21.88 kJ
H298~H5
43.10 kJ
19.71 kJMolar Vol. 5.786 J-bar1
57.86 cm3
A- -3.455E+02 B= 1.274E-01 C* -2.375E+06
5/21/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 251
HYDROGEN CHLORIDE Formula wt 36.461
HC1: Ideal gas at p - 1 bar, 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
cp
29.1429.1329.0529.2729.6430.1030.6031.1231.6432.1632.6633.1533.6134.0534.4634.8335.17
ST
186.90187.08195.44201.94207.31211.91215.96219.60222.90225.94228.76231.40233.87236.20238.41240.51242.52
(H*-H298,/T
J . «»««1 1 . If 1 fflOl »IV
0.000.187.40
11.7514.7016.8618.5519.9221.0622.0522.9123.6824.3725.0025.5826.1226.61
-(GT-H298 )/T
186.90186.90188.04190.19192.61195.05197.41199.68201.84203.89205.85207 . 72209.50211.20212.83214.40215.90
AfH°
k_
-92.3-92.3-92.6-92.9-93.3-93.6-93.9-94.1-94.4-94.6-94.8-94.9-95.0-95.2-95.3-95.3-95.4
AfG°
,-1
-95.3-95.3-96.3-97.2-98.0-98.7-99.4
-100.1-100.8-101.4-102.0-102.6-103.2-103.8-104.4-104.9-105.5
Log K£
16.7016.6012.5710.158.537.376.495.815.264.824.444.123.853.613.413.223.06
Melting T Boiling T
kJ
8.64 kJ
K
kJ
Molar Vol. 2478.97 J'bar'1 24789.7 cm3
-9.476E+01 B= -6.043E-03 O 1.185E+05
3/04/93
252 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
SYLVITE Formula wt 74.551
KC1: Cubic crystals 298.15 to 1043 K, melting point; liquid 1043 to fictive boiling point 1475 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
10001100120013001400
CP
51.2951.3653.4154.6356.1057.9960.2662.8765.7566.9466.9466.9466.94
ST
82.5982.9198.01110.06120.15128.93136.82144.07150.84182.80189.20195.10200.54
(H*-H598,/T
J»mol »K -
0.000.3213.3821.5127.1431.4134.8737.8340.4867.1967.7268.1868.56
-<G*-H298)/1
82.5982.5984.6488.5693.0097.52101.95106.23110.36115.61121.48126.92131.98
! AfH°
V T»
-436.5-436.5-438.4-437.9-437.2-436.4-435.3-434.0-432.4-482.9-479.5-476.1-472.7
AfG°
mnl-1
-408.6-408.4-398.6-388.8-379.0-369.3-359.8-350.5-341.3-329.1-315.2-301.7-288.4
Log Kf
71.5871.1052.0640.6132.9927.5623.4920.3417.8315.6313.7212.1210.76
Melting T
H298~H8
1043 K
26.28 kJ
11.37 kJ
Boiling T 1750 K
155.39 kJ
Molar Vol. 3.752 J'bar'1 37.52 cm3
A= -4.584E+02 B= 1.207E-01 C- 1.373E+06
3/26/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 253
CHLORMAGNESITE Formula wt 95.210
MgCl2 : Rhombohedral crystals 298.15 to melting point 987 K. 1710 K.
Liquid 987 to boiling point
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100120013001400150016001700
CP
71.0471.1675.6378.1679.9281.3282.5383.6392.4792.4792.4792.4792.4792.4792.4792.47
ST
89.6090.04111.20128.37142.78155.21166.15175.94228.82237.65245.68253.09259.91266.31272.29277.90
<H*-H598,/T
J»mol*"*»K~*
0.000.4418.7430.3938.5144.5349.2052.9799.3798.7498.2297.7897.4097.0796.7896.53
-<G*-H298,/1
89.6089.6092.4697.98104.27110.68116.95122.97129.45138.28146.94154.87162.13168.91175.22181.12
? A fH°
kJ»m
-641.3-641.3-639.9-638.5-637.0-635.4-633.9-632.5-596.4-594.3-592.3-590.2-715.6-712.2-708.8-705.5
AfG°
Q! 1
-591.8-591.5-575.0-559.0-543.2-527.7-512.4-497.3-482.4-470.5-459.4-448.5-434.6-414.8-395.1-375.7
Log Kf
103.68102.9875.0958.4047.2939.3833.4628.8625.2022.3420.0018.0216.2214.4412.9011.54
Melting T
H298~H8
987 K
43.1 kJ
13.76 kJ
Boiling T
Molar Vol.
K
kJ
4.081 J-bar' 40.81 cm3
A= -6.293E+02 B= 1.445E-01 -4.868E+05
4/23/93
254 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
SCACCHITE Formula wt 125.844
MnCl2 : Rhombohedral crystals 298.15 to 923 K; liquid 923 to 1400 K.
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100120013001400
Melting T
H298~H8
CP
73.0173.1177.2479.8081.7383.3684.8486.2394.5694.5694.5694.5694.56
37.
15
A*
ST (
J
118.24118.69140.35157.88172.60185.33196.56206.63257.19266.19274.43282.00288.99
923 K
53 kJ
.071 kJ
-4.505E+02
H£-H£98
mol~*»l
0.000.45
19.1931.0739.3645.5350.3554.2695.7395.6295.5495.4695.40
)/T -<Gf-H298 )/T
r""l
118.24118.24121.17126.81133.25139.80146.21152.37161.46170.57178.89186.54193.59
B* 9.437E-02
AfH° AfG°
-481.3-481.3-479.9-478.6-477.2-475.9-474.6-473.3-436.1-434.2-432.3-430.5-431.0
C-
kJ-mol"1
-440.5-440.2-426.8-413.6-400.8-388.1-375.7-363.4-354.4-346.3-338.4-330.6-322.9
Boiling T
Molar Vol. 4.21142.11
-1.734E+06
Log Kf
77.1776.6555.7343.2134.8928.9624.5321.0918.5116.4414.7313.2912.05
K
kJ
cm3
3/26/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 255
HALITE Formula wt 58.442
NaCl: Cubic crystals 298.15 to 1073.8 K; liquid 1073.8 to fictive boiling point 1791 K,
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100120013001400150016001700
CP
50.5150.5452.3454.1455.9357.7359.5361.3263.1268.4668.1467.8267.5067.1766.8566.53
COST
72.1272.4387.2299.09109.12117.88125.70132.82139.37171.89177.83183.27188.29192.93197.26201.30
<HT-H298 )/T
J«mol «K -
0.000.3113.0921.1226.7731.0734.5137.3939.8767.9367.9667.9667.9467.9067.8567.78
-<GT-H298 )/T
72.1272.1274.1277.9782.3586.8191.1995.4399.50103.96109.87115.31120.35125.03129.41133.52
A£H°
IrT
-411.3-411.2-413.5-413.0-412.4-411.5-410.4-409.1-407.6-377.5-472.3-469.5-466.7-463.9-461.2-458.5
AfG°
-384.2-384.0-374.8-365.2-355.6-346.3-337.0-327.9-319.0-310.8-302.4-288.3-274.5-260.9-247.4-234.2
Log Kf
67.3066.8648.9438.1530.9625.8422.0019.0316.6614.7613.1611.5910.249.088.087.19
Melting T
H298-H5
1074 K
28.16 kJ
10.61 kJ
A- -4.283E+02
Boiling T
B- 1.1044E-01
Molar Vol
0 1.132E+06
K
kJ
2.702 J«bar 27.02 cm3
5/21/92
256 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
NICKELOUS CHLORIDE Formula wt 129.595
Rhombohedral crystals 298.15 to melting point,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000110012001300
CP
71.6871.8877.2178.3478.8979.7481.0682.8785.1187.7290.6693.87
ST
98.2098.64120.25137.63151.96164.18174.91184.55193.40201.63209.39216.77
(HT-H298 )/T
J-mol'^K"1 -
0.000.4419.1430.8938.8444.6249.0952.7455.8658.6361.1863.57
-(GT-H|98 )/T
98.2098.20101.11106.74113.12119.56125.82131.82137.54143.00148.21153.20
AfH°
1. T
-304.9-304.9-303.6-302.3-301.3-300.4-299.2-297.8-296.4-294.7-292.9-290.9
AfG°
-258.8-258.5-243.2-228.3-213.6-199.0-184.6-170.3-156.2-142.3-128.5-114.9
Log Kf
45.3345.0031.7623.8518.5914.8512.059.898.166.765.594.62
Melting T 1303 K Boiling T K
kJ
H298"H5
77.17 kJ
14.43 kJMolar Vol 3.670 J-bar'1
36.70 cm3
A - -2.965E+02 B - 1.403E-01 C - -3.75B+05
4/8/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 257
COTUNNITE Formula wt 278.105
PbCl2 : Orthorhombic crystals 298.15 to 768 K; liquid 768 to 1000 K.
FORMATION FROM THE ELEMENTS
Temp.
298.153004005006007007688009001000
CP
73.1873.3379.9884.5187.8590.4591.89113.80113.80113.80
ST
136.00136.45158.53176.89192.61206.35215.09250.41263.80275.77
<HT-H298)/T
i-l-l
0.000.4519.5632.1241.1548.0151.7283.9987.3189.96
-<GT-H298 )/T
136.00136.00138.97144.77151.46158.34163.37166.42176.49185.81
AfH°
1v T «AAJ
-359.4-359.4-357.9-356.0-354.0-356.6-355.0-329.7-325.0-320.3
AfG°
-i-l
-314.1-313.8-298.9-284.3-270.2-255.6-246.2-242.4-231.7-221.5
Log Kf
55.0354.6439.0329.7023.5219.0716.7415.8213.4511.57
Melting T
H298"H8
768 K
23.85 kJ
16.94 kJ
A- -3.405E+02 B« 1.218E-01
Boiling T
Molar Vol
0 -9.24E+05
K
kJ
4.709 J'bar'1 47.09 cm3
5/21/92
258 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
FLUORITE Formula wt 78.075
CaF2 : Cubic crystals 298.15 K to transition at 1424 K.
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100120013001400
CP
67.6867.3869.9979.3583.7283.9282.4881.7383.5389.33100.22117.06140.52
COST
68.9069.3288.47105.16120.09133.05144.17153.82162.50170.70178.90187.54197.03
<H*-H298 >/T
J*mol «K
0.000.4216.9828.5837.4844.1349.0252.6855.6558.4161.4065.0069.51
-<«*-H598 )A
68.9068.9071.4976.5882.6288.9295.15101.14106.85112.29117.49122.54127.52
r AfH°
kJ-
-1228.0-1228.0-1227.2-1225.8-1224.0-1222.3-1221.8-1220.8-1220.0-1219.3-1225.8-1222.2-1216.7
AfG°
mol~l
-1175.3-1175.0-1157.4-1140.1-1123.1-1106.5-1089.9-1073.5-1057.1-1040.9-1024.1-1007.4-991.1
Log K£
205.90204.57151.14119.1097.7782.5671.1662.3055.2249.4344.5840.4836.98
Melting T
H598~H8
1691 K
kJ
11.64 kJ
Boiling T K
Av.pH 0 kJ
Molar Vol. 2.454 J-bar'1 24.54 cm3
A* -1.221E+03 1.643E-01 C= -2.93E+05
11/25/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 259
HYDROGEN FLUORIDE Formula wt 20.006
HF: Ideal gas at p « 1 bar, 298.15 to 2500 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
cp
29.1429.1529.2129.1529.1829.3229.5529.8630.2030.5930.9931.4031.8132.2232.6333.0233.39
COST
173.78173.96182.36188.87194.19198.70202.63206.13209.29212.18214.86217.36219.70221.91224.00225.99227.89
<HT-H298 )/T
J»mol »K -
0.000.187.44
11.7914.6816.7618.3419.6120.6521.5322.3122.9923.6024.1724.6825.1625.61
~(GT-H298 )/1
173.78173.78174.93177.09179.51181.94184.28186.52188.64190.65192.56194.37196.10197.75199.32200.83202.28
? AfH°
kJ
-273.3-273.3-273.5-273.7-274.0-274.3-274.6-275.0-275.3-275.6-276.0-276.3-276.6-276.9-277.2-277.5-277.8
AfG°
mol~*
-275.4-275.4-276.1-276.7-277.3-277.9-278.3-278.8-279.2-279.6-279.9-280.2-280.5-280.8-281.0-281.2-281.5
Log K£
48.2547.9536.0528.9124.1420.7318.1716.1814.5813.2812.1811.2610.479.789.178.648.17
Melting T Boiling T
H298~H5
kJ
8.599 kJMolar Vol.
K
kJ
2478.97 J-bar'1 24789.7 cm3
A* -2.759E+02 B= -3.234E-03 C= 1.443E+05
11/19/92
260 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
SELLAITE Formula wt 62.302
MgF2 : Tetragonal crystals 298.15 to melting point 1536 K. Liquid 1536 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
CP
61.5161.6968.6172.5675.1677.0278.4479.5780.5081.2881.9582.5383.0483.4994.5694.5694.56
ST
57.2057.5876.3892.15
105.63117.36127.74137.05145.48153.19160.29166.88173.01178.75222.46228.19233.59
(HT-H298 )/T
,-!_-!
0.000.38
16.6727.4835.2241.0745.6649.3652.4355.0257.2459.1660.8562.34
100.45100.1099.80
-<GT-H298 )/T
57.2057.2059.7264.6770.4076.2982.0987.6893.0598.17
103.06107.71112.16116.41122.01128.09133.79
AfH°
kJ
-1124.2-1124.2-1123.4-1122.4-1121.2-1120.0-1118.9-1117.7-1125.3-1124.3-1123.3-1122.3-1248.7-1246.3-1185.0-1181.4-1177.9
AfG°
mol~*
-1071.1-1070.7-1053.0-1035.5-1018.2-1001.2-984.3-967.5-950.2-932.7-915.3-898.0-877.7-851.3-827.5-805.2-783.2
Log Kf
187.64186.42137.51108.1888.6474.7164.2756.1549.6344.2939.8436.0832.7529.6427.0124.7422.73
Melting T
H298~H8
1536 K
58.69 kJ
9.914 kJ
A= -1.145E+03
Boiling T
B= 1.963E-01
Molar Vol.
C= 1.628E+06
K
kJ
1.961 J-bar'1 19.61 cm
11/19/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 261
VILLIAUMITE Formula wt 41.988
NaF: Cubic crystals 298.15 to melting point 1269 K. Liquid 1269 to 1800 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
CP
46.8646.9449.7251.1952.5354.0255.7157.5959.6361.8264.1268.5168.5168.5168.5168.5168.51
ST
51.5051.7965.7477.0086.4594.66101.98108.65114.82120.60126.08157.48162.55167.28171.70175.85179.76
(HT-H598 )/T
,-!--!
0.000.2912.3619.9825.2929.2932.4835.1737.5139.6241.5669.5769.4969.4369.3769.3269.27
-<GT-H§98 )/T
51.5051.5053.3857.0261.1665.3769.4973.4877.3180.9884.5287.9193.0697.85102.33106.53110.49
AfH°
kJ
-573.6-573.6-576.0-575.7-575.3-574.7-573.9-573.0-571.8-570.5-665.8-629.2-626.4-623.5-620.6-617.8-615.0
AfG°
mol"1
-543.4-543.2-532.9-522.2-511.5-500.9-490.4-480.0-469.8-459.6-447.1-429.0-413.7-398.6-383.7-369.0-354.5
Log Kf
95.2094.5869.5954.5544.5337.3832.0227.8624.5421.8219.4617.2415.4413.8812.5311.3410.29
Melting T
H2*98"H8
1269 K
33.14 kJ
8.49 kJ
A« -6.018E+02
Boiling T
B« 1.344E-01
Molar Vol
1.835E+06
K
kJ
1.498 J-bar- 14.98 cm3
11/19/92
262 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
CRYOLITE Formula wt 209.941
Monoclinic (a) crystals 298.15 to 836 K transition to cubic (0) crystals. Cubic crystals 836 to 1153 K. y crystals 1153 to melting point 1290 K. Liquid 1290 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting
AIU.H"
H298-H0
CP
217.37217.73238.77251.60262.30281.11315.99279.88284.68289.47300.41396.91396.91396.91396.91396.91396.91
T
113.
38
A-
Sf
238.50239.85305.46360.26407.03448.71488.31532.93562.66590.02617.49730.45759.86787.23812.84836.89859.57
1290 K
75 kJ
.223 kJ
-3.370E+03
(HT-H298 )/T
0.001.34
58.1695.69
122.52143.68162.84186.63196.20204.46213.76308.67314.97320.43325.21329.43333.18
B=
-(G$-H298 )/T AfH° AfG°
238.50238.50247.31264.57284.51305.03325.47346.30366.46385.56403.73421.78444.89466.80487.63507.46526.39
6.097E-01
-3316.8-3316.8-3323.0-3320.4-3317.0-3312.3-3305.1-3290.1-3295.5-3289.9-3571.9-3447.8-3429.0-3410.1-3391.4-3372.6-3354.0
C*
k-T- 1""1
-3152.1-3151.0-3095.4-3038.8-2982.8-2927.4-2872.9-2820.0-2767.3-2714.7-2655.4-2580.3-2514.3-2449.6-2386.2-2323.9-2262.7
Boiling T
AV*H°
Molar Vol. 770
-3.62E+06
Log Kf
552.22548.63404.21317.45259.67218.44187.58163.66144.54128.91115.58103.6793.8185.3077.9071.4065.66
K
kJ
.081 J-bar*1
.81 cm3
11/19/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 263
CHIOLITE Formula wt 461.871
Na5Al3F14 : Tetragonal crystals 298.15 to melting point 1010 K.
FORMATION FROM THE ELEMENTS
Temp.
K
cp ST <HT-H298 )/T
- J-mol'^K""1 -
-<GT-H§98 )/T AfH° AfG° Log Kf
298.153004005006007008009001000
453.91455.08499.34524.54542.23556.38568.64579.80590.28
515.30518.11655.82770.16867.43952.111027.221094.851156.48
0.002.80
122.04200.20255.80297.76330.87357.91380.63
515.30515.31533.78569.96611.63654.35696.35736.94775.85
-7546.3-7546.3-7556.5-7552.3-7546.5-7539.6-7532.1-7524.1-7547.6
-7174.7-7172.4-7047.1-6920.2-6794.3-6669.5-6545.7-6422.9-6298.8
1256.951248.79920.24722.94591.49497.67427.38372.77329.01
Melting T
H2*98~H8
1010 K
80.831 kJ
38.223 kJ
Boiling T
Molar Vol
K
kJ
15.408 J-bar'1
154.08 cm3
A= -7.5366E+03 B= 1.239E+00 O -7.07E+05
11/20/92
264 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
IODARGYITE Formula wt 234.773
Agl: Hexagonal crystals 298.15 to 423 K; cubic crystals 423 to 831 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800
CP
54.4154.6064.6856.4856.4856.4856.48
ST i
115.48115.82132.91160.54170.88179.54187.07
1 tl O _U Q \ / ftI T 298 / /
i*mol K
0.000.34
15.1636.1539.5441.9643.78
-<G$-HJ98 ,/T
115.48115.48117.74124.39131.34137.58143.29
AfH°
kJ
-61.8-61.8-69.3-84.0-82.8-81.8-80.8
AfG°
mol"1
-66.3-66.3-67.6-66.3-62.9-59.6-56.5
Log Kf
11.6111.548.826.935.474.453.69
Melting T 831 K
kJ
H298"H5 kJ
Boiling T
Molar Vol
K
kJ
4.130 J-bar'1 41.30 cm3
A* -9.280E+01 B« 4.399E-02 O 1.196B+06
11/19/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 265
MARSHITE Formula wt 190.450
Cul: Cubic crystals 298.15 to transition point at 643 K. 679 K. Cul melts at 868 K.
There is a second transition at
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100120013001400
Melting T
HS98-H&
CP
54.0654.1457.2060.5976.9068.6268.6265.7563.4561.4359.6858.2056.99
7.
A»
ST
96.6096.93112.92125.89137.85163.05172.22189.35196.15202.11207.38212.09216.36
868 K
93 kJ
kJ
-7.665E+01
(HT-H|98 )/T
J-mol'^K'1
0.000.3314.1722.9830.1249.3251.7462.3362.5662.5562.3862.1161.79
B»
-<GT-H298 )/T
96.6096.6098.75102.91107.73113.73120.48127.02133.59139.56145.00149.98154.57
2.882E-02
A£H°
kJ-mol"1
-67.8-67.8-75.5-96.4-94.3-82.4-80.1-70.1-68.3-66.9-65.8-65.0-77.6
Boiling T
Molar Vol.
AfG°
-69.4-69.4-69.7-66.3-60.4-55.6-51.9-48.8-46.5-44.4-42.5-40.5-38.3
333
Log Kf
12.1612.099.106.925.264.153.392.832.432.111.851.631.43
K
kJ
.335 J-bar'1
.35 cm3
O -2.219E+05
11/19/92
266 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
WITHERITE Formula wt 197.336
BaCO3 : Orthorhombic crystals 298.15 to 1079 K; tetragonal crystals 1079 to 1241 K; cubic crystals 1241 to 1600 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000110012001300140015001600
Melting
Aft,H°
°P
85.3285.7599.75
106.60112.19118.01124.41131.45139.07154.81154.81158.98158.98158.98158.98
T
ST (I
j.
112.13112.66139.57162.62182.55200.28216.45231.50245.74275.81289.28304.39316.17327.13337.39
K
kJ
io_tiQ \ IT T 2 98''
mol~l«K~*
0.000.53
23.8739.7751.3860.4868.0674.7180.76102.47106.83113.13116.40119.24121.73
-<Gf-H298 )/T
112.13112.13115.71122.84131.17139.80148.38156.79164.98173.34182.45191.26199.77207.89215.66
AfHe
kJ
-1210.9-1210.8-1209.9-1209.3-1209.3-1208.3-1207.4-1205.7-1203.4-1191.2-1187.4-1180.3-1176.1-1172.0-1167.8
A£G°
mol"1
-1132.2-1131.7-1105.5-1079.4-1053.5-1027.6-1001.8-976.2-950.8-925.3-901.3-877.7-854.7-831.8-809.3
Boiling T
Log Kf
198.35197.05144.36112.7791.7176.6865.4156.6549.6643.9439.2335.2731.8928.9726.42
K
kJ
Molar Vol. 4.581 J'bar'1H298-H8
A»
kJ
-1.196E+03 B« 2.438E-01 C* -9
45.81
. 15E+05
cm3
9/11/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 267
ARAGONITE Formula wt 100.087
CaCO3 : Orthorhombic crystals 298.15 to 1000 K,
FORMATION FROM THE ELEMENTS
Temp.
K
flO COCp ST
/tio_uo \ /IP _/f<o_tiQ \ /n* ***T 298'' \ T 298''
- J-mol""1 ^"1
A£H° AfG°
kJ-mol"1
Log Kf
298.15300400500600700800900
1000
82.3182.5592.6799.80
105.76111.17116.28121.22126.06
87.9988.50
113.75135.22153.96170.67185.85199.84212.86
0.000.51
22.3837.1848.1356.7563.8769.9775.34
87.9987.9991.3798.04105.83113.92121.98129.86137.52
-1207.4-1207.4-1206.7-1205.8-1204.8-1203.7-1203.4-1202.2-1201.0
-1127.4-1126.9-1100.2-1073.6-1047.3-1021.2-995.0-969.1-943.2
197.51196.21143.66112.1691.1776.2064.9756.2449.27
Melting T
kJ
14.31 kJ
Boiling T
Molar Vol
K
kJ
3.415 J-bar'1 34.15 cm3
A» -1.203E+03 B» 2.598E-01 C- -1.96E+05
9/18/92
268 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
CALCITE Formula wt 100.087
CaCO3 : Rhombohedral crystals 298.15 to 1200 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200
CP
83.4783.8297.00104.55109.88114.16117.88121.28124.48127.55130.53
COST
91.7192.23
118.36140.88160.43177.70193.19207.28220.22232.23243.46
/HO_UO \ /rp' T 2 9 8 * /
J Bmol~ *K~
0.000.52
23.1838.7550.1859.0266.1572.0977.1781.6185.57
-(Gf-H298 )/T
91.7191.7195.19
102.13110.25118.68127.04135.18143.05150.62157.89
AfH°
kJ*m<
-1207.4-1207.4-1206.3-1204.9-1203.5-1202.0-1201.6-1200.3-1199.1-1198.1-1204.9
A£6°
~i-l?<L
-1128.5-1128.0-1101.6-1075.6-1049.9-1024.4-999.0-973.8-948.7-923.7-898.2
Log Kf
197.70196.39143.86112.3791.4076.4465.2356.5249.5543.8639.10
Melting T
kJ
14.48 kJ
Boiling T
Molar Vol
K
kJ
3.693 J-bar'1
36.93 cm3
A» -1.200E+03 B» 2.518E-01 C» -3.036E+05
10/14/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 269
DOLOMITE Formula wt 184.401
CaMg(C03 ) 2 : Rhombohedral crystals 298.15 to 1100 K.
FORMATION FROM THE ELEMENTS
Temp.
K
CP j-mol"1 -*"1 -
-(GT-H298 )/T AfH° AfG° Log Kf
298.15300400500600700800900
10001100
157.51158.06183.54201.89215.66226.65236.08244.73253.15261.72
155.18156.16205.32248.35286.43320.53351.42379.73405.96430.48
0.000.97
43.6173.5296.12114.00128.69141.10151.89161.48
155.18155.18161.71174.83190.32206.53222.74238.63254.07269.00
-2324.5-2324.5-2323.4-2321.4-2318.8-2316.0-2313.9-2310.8-2316.2-2312.9
-2161.3-2160.3-2105.7-2051.4-1997.7-1944.4-1891.4-1838.7-1785.7-1732.9
378.64376.13274.97214.31173.91145.09123.47106.7293.2882.28
Melting T Boiling T K
kJAfi.H 0 kJ
Molar Vol. 6.434H^98~H6 25.98 kJ 64.34
J-bar'1cm3
A« -2.314E+03 B» 5.283E-01 O -4.81E+05
5/22/92
270 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
SIDERITE Formula wt 115.856
FeCO3 : Rhombohedral crystals 298.15 to 600 K.
298.15300400500600
82.2782.5294.34
102.56108.09
FORMATION FROM THE ELEMENTS
Temp. C>O COp ST <Hf-H298 )/T -(Gf-HSga)/
- J-mol"1^"1
T AfH° AfG° Log Kf
kJ'mol"1
95.4795.98
121.43143.43162.65
0.000.51
22.5737.8049.08
95.4795.4798.86
105.63113.56
755.9 755.9 755.1 754.0 752.9
682.8 682.4 658.0 633.8 609.9
119.63118.8185.9266.2153.09
Melting T
kJ
14.59 kJ
Boiling T
Molar Vol
K
kJ
2.938 J«bar! 29.38 cm3
A= -7.525E+02 B» 2.383E-01 C- -1.23E+05
5/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 271
MAGNESITE Formula wt 84.314
MgC03 : Rhombohedral crystals 298.15 to 1000 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000
CP
76.0976.4490.5799.92107.38113.96120.06125.88131.54
ST
65.0965.5689.67110.94129.83146.89162.51176.98190.54
(HT-H298 )/T
J«raol~1 -K~1 -
0.000.47
21.3936.2047.4656.5064.0770.6176.42
-(Gf-H298 )/T
65.0965.0968.2874.7382.3790.3998.44106.37114.12
AfH°
i.
-1113.3-1113.3-1112.9-1111.9-1110.6-1109.1-1107.3-1105.3-1111.6
A£6°
J-mol"1
-1029.5-1029.0-1000.9-973.0-945.3-917.9-890.7-863.7-836.3
Log Kf
180.36179.15130.70101.6582.3068.4958.1650.1343.68
Melting T
HS98~H5
kJ
11.63 kJ
Boiling T
Molar Vol
K
kJ
2.802 J-bar'1 28.02 cm3
A= -1.108E+03 2.718E-01 C= -2.42E+05
5/22/92
272 IHERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
RHODOCHROSITE Formula wt 114.947
MnCO3 : Rhombohedral crystals 298.15 to 600 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600
CP
80.7881.0392.38
100.87107.70
ST
98.0398.53123.49145.05164.07
(HT-H298 )/T
J-mol"1 -*,""1 -
0.000.50
22.1337.0648.29
-<GT-H298 )/T
98.0398.03101.36107.99115.78
AfH°
1. T
-892.9-892.9-892.4-891.6-890.6
A£6°
mol"1
-819.1-818.7-794.0-769.5-745.2
Log Kf
143.50142.54103.6880.3864.87
Melting T
H2*98'H5
K
kJ
14.12 kJ
Boiling T
Molar Vol
K
kJ
3.107 J-bar'1 31.07 cm3
A« -8.894E+02 B» 2.425E-01 C= -9.44E+04
5/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 273
DAWSONITE Formula wt 143.995
NaAlC03 (OH) 2 : Orthorhombic crystals 298.15 to 500 K.
FORMATION FROM THE ELEMENTS
Temp.
K
CP COST (Hf-H|98 )/T -<G5,-H298 )/T AfH° AfG°
kJ'mol'1
Log Kf
298.15300400500
34.5234.5234.5534.58
132.00132.21142.15149.86
0.000.218.79
13.95
132.00132.00133.35135.91
-1964.0-1964.2-1980.2-1994.4
-1786.0-1784.9-1722.9-1656.9
312.89310.77224.98173.09
Melting T K Boiling T
H298~H5
kJ
22.17 kJMolar Vol
K
kJ
5.93 J'bar'1 59.3 cm3
A» -2.010E+03 6.937E-01 C= 1.518E+06
7/17/92
274 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
STRONTIANITE Formula wt 147.629
SrCO3 t Orthorhombic crystals 298.15 to 1197 K; hexagonal crystals 1197 to 1400 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
10001100120013001400
Melting T
H298~H8
CP
81.5082.0397.72102.86106.05109.46113.64118.69124.54131.11144.77144.77144.77
A
Sf (
J
97.0797.58
123.80146.24165.28181.87196.75210.42223.22235.40262.84274.42285.15
K
kJ
kJ
HT-H298 )/T
mol"1^"1 -
0.000.50
23.2638.7449.6957.9864.6770.3875.5080.25100.48103.89106.81
-<GT-H298 )/T
97.0797.07
100.54107.50115.58123.89132.09140.04147.72155.15162.36170.53178.34
AfH°
-1218.7-1218.7-1217.7-1216.4-1215.2-1214.1-1213.0-1212.4-1210.6-1216.3-1195.5-1192.6-1189.9
AfG°
i-l
-1137.6-1137.1-1110.0-1083.2-1056.6-1030.3-1004.1-978.0-952.0-925.9-899.7-875.1-850.8
Boiling T
Molar Vol. 3.
- -1.210E+03 B » 2.577E-01 C -
39.
-4.37E+05
Log Kf
199.29197.97144.94113.1691.9976.8865.5656.7649.7343.9739.1635.1631.74
K
kJ
901 J-bar'101 cm3
7/17/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 275
SMITHSONITE Formula wt 125.399
ZnCO3 : Rhombohedral crystals 298.15 to 1200 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200
cp
80.0580.2991.77
101.01108.79115.57121.64127.19132.34137.18141.77
COST
81.1981.69106.42127.92147.05164.34180.17194.82208.49221.34233.47
<HT-H298 )/T
J-mol"1^'1 -
0.000.49
21.9336.8648.2157.3665.0271.6377.4482.6687.39
-(GT-H29Q )/T
81.1981.1984.4991.0798.83106.98115.15123.20131.05138.68146.08
AfH°
1. T
-817.0-817.0-816.4-815.4-814.0-819.7-817.9-815.7-813.2-810.3-922.2
AfG°
mol"1
-735.3-734.8-707.5-680.4-653.5-626.8-599.4-572.2-545.3-518.6-490.3
Log Kf
128.82127.9492.3971.0856.8946.7739.1333.2128.4824.6321.34
Melting T
H298"H5
K
kJ
13.49 kJ
Boiling T K
A^0 kJ
Molar Vol. 2.828 J-bar'1 28.28 cm3
A* -8.163E+02 B* 2.71IE-01 C- 1.690E+04
5/22/92
276 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
NITROBARITE Formula wt 261.337
Ba(NO3 ) 2 : Cubic crystals 298.15 to 800 K.
FORMATION FROM THE ELEMENTS
Temp.
K
CP ST (HT-H2 9Q )/T
J-mol'^-K"1 -
-<GT-H29Q )/T AfH° AfG'
kJ-mol"1
Log Kf
298.15300400500600700800
151.35151.85174.94193.67210.68226.88242.65
213.80214.74261.75302.85339.68373.38404.71
0.000.93
41.7070.2692.26110.34125.90
213.80213.80220.06232.59247.42263.04278.81
-992.1-992.1-990.5-988.0-984.9-979.6-973.6
-796.6-795.4-730.0-665.2-600.9-537.3-474.4
139.55138.4895.3369.4952.3140.0930.98
Melting T
H298~H5
kJ
kJ
Boiling T
Molar Vol
K
kJ
8.058 J-bar'1 80.58 cm3
A- -9.791E+02 B= 6.323E-01 C- -5.41E+05
5/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 277
CALCIUM NITRATE Formula wt 164.088
Ca(NO3 ) 2 : Cubic crystals 298.15 to 800 K.
FORMATION FROM THE ELEMENTS
Temp.
K
CP COST (HT-H298 )/T -(GT-H^98 )/T AfH° AfG° Log Kf
298.15300400500600700800
149.11149.66173.76192.74210.08226.83243.37
193.30194.22240.79281.65318.34351.98383.35
0.000.9241.3069.7391.69109.81125.47
193.30193.30199.49211.92226.64242.18257.88
-938.4-938.4-936.6-933.1-928.4-922.5-916.3
-742.6-741.4-675.9-611.2-547.2-484.1-421.8
130.10129.0888.2763.8547.6436.1227.54
Melting T
H298~H6
K
kJ
kJ
Boiling T
Molar Vol
K
kJ
6.609 J-bar'1 66.09 cm3
A- -9.217E+02 B« 6.267E-01 C= -6.975+05
5/22/92
278 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
NITER Formula wt 101.103
KNO3 : Orthorhombic crystals 298.15 to 401 K; Rhombohedral crystals 401 to 610 K; liquid 610 to 700 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700
CP
96.2796.27
108.41120.50120.50123.43
ST
133.09133.69163.09204.68226.64262.08
(HT-H298 )/T
l~l -1
0.000.60
26.0556.7467.3689.73
-(GT-H298 )/T
133.09133.09137.05147.94159.28172.35
AfH°
kJ-m
-494.5-494.4-495.6-486.8-484.0-471.1
A£6°
ol~
-394.5-393.9-360.1-328.1-296.6-267.0
Log Kf
69.1268.5947.0334.2725.8219.92
Melting T 610 K
10.10 kJ
H298~H5 kJ
Boiling T
Molar Vol
K
kJ
4.804 J'bar' 48.04 cm3
A* -4.736E+02 B- 2.981E-01 C= -8.83E+05
5/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 279
MAGNESIUM NITRATE Formula wt 148.315
Mg(N03 ) 2 : Cubic crystals 298.15 to 600 K.
298.15300400500600
FORMATION FROM THE ELEMENTS
Temp.
K
CP COST (HT-H298 )/T -<GT-H29Q )/
- J-mol'^K'1
T A fH° AfG° Log Kf
141.92142.40168.77195.63222.70
164.01164.89209.45249.99288.05
0.000.88
39.5468.0791.58
164.01164.01169.91181.92196.47
-790.7-790.6-789.5-786.0-780.4
-589.2-587.9-520.5-453.6-387.6
103.22102.3767.9747.3833.74
Melting T Boiling T
kJ
H298"H5 kJ
R
kJ
Molar Vol. 6.293 J'bar'1 62.93 cm3
A= -7.811E+02 B= 6.577E-01 C= -3.732+05
5/22/92
280 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
AMMONIA-NITER Formula wt 80.043
NH4NO3 : Ammonia-niter undergoes phase changes at 305.3, 357.4, 398.4 K. It melts at 442.8 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500
CP
139.37139.37190.79161.08
ST
151.08151.94208.94260.24
(HT-H298 )/T
J-mol"1 ^"1 -
0.000.8651.2686.69
-(GT-H§9Q )/T
151.08151.08157.68173.55
A£H°
lr T
-365.6-365.6-358.5-349.1
A£6°
-183.8-182.7-122.3-64.5
Log Kf
32.2031.8115.976.74
Melting T
H298"H5
442.8 K
5.44 kJ
kJ
Boiling T
Molar Vol
K
kJ
4.649 J'bar'1 46.49 cm3
A* -3.384E+02 B= 5.556E-01 C= -9.90E+05
5/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 281
SODA NITER Formula wt 84.995
NaN03 t a-crystals 298.15 to 549.2 K. jJ-crystala 549.2 to 583.2 K. Liquid 583.2 to 700 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700
c° CP
93.0793.48115.76138.07154.81154.81
**
116.52117.10147.04175.27234.63258.48
(Hf-H298 )/T
! _1
0.000.58
26.5946.5694.82
103.39
-<GT-H298 )/T
116.52116.52120.45128.62139.81155.09
A£H°
VT
-468.0-468.0-469.1-465.5-441.2-435.1
A£G°
mol"1
-367.1-366.5-332.6-298.9-266.7-238.1
Log Kf
64.3263.8143.4331.2223.2217.77
Melting T
kJ
H298~H5 kJ
Boiling T
Molar Vol
K
kJ
3.76 J»bar' 37.6 cm3
A- -4.447E+02 B- 2.995E-01 C- -1.05E+06
5/22/92
282 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
STRONTIUM NITRATE Formula wt 211.630
Sr(N03 ) 2 : Crystals 298.15 to 900 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
CP
149.93149.88169.18197.81220.32234.85242.20243.53
COST
194.56195.49240.55281.44319.61354.76386.68415.33
/tIO_tIQ \ /«P* T 2 9 8 / /
0.000.92
39.9868.7392.23111.66127.58140.44
-(Gf-H29Q )/T
213.80213.80220.06232.59247.42263.04278.81274.89
AfH°
kJ-
-978.2-978.2-977.0-973.6-968.0-961.1-953.4-946.4
AfG°
-779.0-777.8-711.1-644.9-579.7-515.5-452.4-390.1
Log Kf
136.47135.4292.8667.3750.4738.4729.5422.64
Melting T Boiling T K
kJAfc.H 0 kJ
H298~H6 kJ
Molar Vol. 7.09370.93
J'bar'1cm3
A* -9.566E+02 B= 6.317E-01 C= -9.810+05
5/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 283
ALUMINUM SULFATE Formula wt 342.154
A12 (SO4 ) 3 : Orthorhombic crystals 298.15 to 1100 K,
Temp.
K
CP ST (HT-H298 )/T -(GT-H298 )/T
FORMATION FROM THE ELEMENTS
AfG° Log KfAfH°
kJ*mol-1
298.1530040050060070080090010001100
259.26260.62317.35352.93376.60392.79403.92411.44416.28419.06
239.30240.91324.34399.26465.84525.19578.41626.45670.07709.89
0.001.60
74.05126.52166.35197.62222.75243.33260.40274.71
239.30239.30250.30272.74299.49327.57355.66383.12409.67435.18
-3441.8-3441.9-3449.3-3451.1-3449.7-3446.5-3442.2-3596.9-3609.7 .-3600.9
-3100.6-3098.5-2983.5-2866.9-2750.1-2633.7-2517.9-2399.4-2265.3-2131.3
543.20539.48389.60299.49239.41196.53164.40139.25118.32101.20
Melting T
H298~H5
K
kJ
40.22 kJ
Boiling T
Molar Vol
K
kJ
7.341 J-bar'1 73.41 cm3
-3.501E+03 B= 1.233E+00 C« 3.117E+06
6/10/93
284 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
BARITE Formula wt 233.391
BaSO4 : Orthorhombic crystals 298.15 to 1300 K.
FORMATION FROM THE ELEMENTS
Temp.
298.153004005006007008009001000110012001300
Melting T
AtoH°
H298"H8
CP
101.75102.23119.28127.17131.46134.04135.72136.87137.69138.30138.76139.12
A=
ST
132.21132.84164.94192.50216.10236.57254.59270.65285.11298.27310.32321.44
K
kJ
kJ
-7.496E+01
<HT-H298 )/T
J-mol"1 ^'1
0.000.63
28.4747.5161.1771.4179.3585.6890.8595.1398.75101.84
B=
-(Gf-H298 )/T
132.21132.21136.47144.99154.93165.16175.24184.96194.27203.13211.57219.60
-9.007E-02
Af
-1473-1473-1476-1477-1479-1479-1480-1533-1532-1539-1539-1538
O
H° AfG°
- kJ'mol'1
.6 -1362.5
.6 -1361.8
.0 -1324.4
.5 -1286.4
.0 -1248.0
.4 -1209.5
.1 -1170.9
.5 -1131.1
.4 -1086.5
.8 -1041.1
.1 -995.8
.3 -950.6
Boiling T
AV*H°
Molar Vol. 5.2152.10
= 4.067E-01
Log Kf
238.70237.11172.95134.39108.6590.2576.4565.6556.7549.4443.3538.19
K
kJ
J'bar'1
car
5/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 285
ANHYDRITE Formula wt 136.142
CaSO4 : Orthorhombic crystals 298.15 to 1000 K.
FORMATION FROM THE ELEMENTS
Temp.
298.153004005006007008009001000
CP ST <HT-H298 )/T -(GT-H|98 )/T AfH° AfG°
1, T--.-.1 "I
101.23101.57116.68127.18135.03141.54147.55153.59160.04
107.40108.03139.45166.68190.59211.91231.20248.93265.44
0.000.63
27.8746.7460.8371.9080.9888.7195.52
107.40107.40111.58119.94129.77140.01150.22160.21169.92
Log Kf
-1434.4-1434.5-1436.6-1437.2-1437.0-1436.1-1435.8-1487.3-1484.2
-1321.8-1321.1-1283.2-1244.7-1206.3-1167.9-1129.5-1090.2-1046.3
231.57230.02167.56130.03105.0187.1573.7563.2754.65
Melting T 1723 K
28.03 kJ
17.30 JcJ
Boiling T
Molar Vol
K
kJ
4.601 J-bar'1 46.01 cm3
A- -1.4465E+02 B« 3.971E-01 C= 5.860E+05
9/16/92
286 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
CHALCOCYANITE Formula wt 159.610
CuS04 : Crystals 298.15 to 1200 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200
CP
139.89140.42160.73172.71181.41188.56194.88200.72206.27211.62216.84
ST
109.50110.37153.87191.11223.40251.91277.51300.81322.24342.15360.79
(H*-H298 )/T
1*1. "I
0.000.86
38.5764.2883.1197.67109.44119.26127.68135.07141.67
-(Gf-H§98 )/T
109.50109.50115.30126.83140.29154.24168.08181.55194.56207.08219.12
AfH°
1, T
-771.4-771.3-769.2-765.1-759.9-753.9-747.3-793.4-784.6-775.6-766.1
AfG°
mol"1
-662.3-661.6-625.5-590.1-555.6-522.0-489.3-456.4-419.4-383.3-348.1
Log Kf
116.03115.1981.6961.6548.3738.9531.9526.4921.9118.2015.15
Melting T
H298~H8
kJ
16.87 kJ
Boiling T
Molar Vol
K
kJ
4.088 J-bar'1 40.88 cm3
A* -7.631E+02 B« 3.445E-01 0 -1.35E+05
11/25/92
THERMODYNAMIC PROPERTIES AT fflGH TEMPERATURE OF INDIVIDUAL PHASES 287
FERRIC SULFATE Formula wt 399.885
Fe2 (SO4 ) 3 : Orthorhombic crystals 298.15 to 800 K,
FORMATION FROM THE ELEMENTS
Temp.
K
cp sf (HT-H298 )/T -(GT-H29Q )/T AfH° AfG° Log Kf
298.15300400500600700800
275.03276.04319.44351.71379.61405.44430.16
282.80284.50370.29445.15511.78572.26628.02
0.001.70
76.08128.08167.72199.85227.10
282.80282.81294.21317.07344.07372.41400.92
-2581.9-2581.9-2588.8-2591.1-2590.4-2587.4-2582.5
-2254.4-2252.4-2142.1-2030.2-1918.0-1806.2-1694.9
394.96392.16279.73212.09166.98134.78110.66
Melting T
H2*98~H8
K
kJ
kJ
Boiling T
Molar Vol
K
kJ
13.08 J-bar'1 130.80 cm3
A« -2.592E+03 B* 1.121E+00 O 2.722E+05
6/10/93
288 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ARCANITE Formula wt 174.260
K2SO4 : Orthorhombic crystals (a) 298.15 to 856 K. point 1342 K. Liquid 1342 to 1700 K.
Hexagonal crystals (0) 856 to melting
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
10001100120013001400150016001700
CP
130.01130.44149.06163.03175.17186.44197.25203.55189.91197.63219.88252.38197.61197.61197.61197.61
Sf
175.56176.37216.62251.43282.25310.11335.71368.88389.40407.72425.78444.61485.93499.57512.32524.30
<Hf-H298 )/T
J-mol"1^"1 -
0.000.80
35.7059.8178.0492.73
105.12125.49132.41137.86143.69150.77180.08181.25182.28183.18
-(OJ-HJss)/-
175.56175.56180.93191.62204.21217.38230.59243.39256.99269.86282.09293.84305.85318.32330.04341.12
r Afn°
kJ
-1437.7-1437.7-1445.2-1445.8-1444.9-1442.6-1439.3-1479.5-1474.8-1628.5-1620.8-1610.5-1567.7-1561.4-1555.0-1548.8
AfG°
mol"1
-1319.6-1318.9-1278.2-1236.3-1194.5-1152.9-1111.7-1069.8-1024.5-970.4-910.9-852.1-795.0-740.1-685.5-631.3
Log Kf
231.18229.63166.91129.15103.9986.0372.5962.0953.5146.0839.6534.2429.6625.7722.3819.40
Melting T Boiling T
H298"H8
kJ
25.43 kJMolar Vol.
K
kJ
6.550 J-bar"1 65.50 cm3
A* -1.541E+03 B* 5.285E-02 0 6.26776E+06
5/27/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 289
K-A1 SULFATE Formula wt 258.207
KA1(SO4 ) 2 : Hexagonal crystals 298.15 to 1000 K.
FORMATION FROM THE ELEMENTS
Temp.
298.153004005006007008009001000
CP
192.98193.95230.89252.19267.33279.58290.27300.06309.29
ST
204.60205.80267.25321.23368.61410.76448.80483.57515.66
(Hf-H298 )/T
J-mol'^K""1 -
0.001.19
54.5292.07120.08142.01159.89174.92187.90
-(Gf-H§98 )/T
204.60204.60212.73229.16248.53268.75288.92308.64327.76
AfH°
kJ
-2470.9-2470.9-2478.5-2480.1-2479.7-2477.9-2475.2-2577.9-2581.9
AfG°
mol'1
-2240.4-2239.0-2160.8-2081.2-2001.4-1921.9-1842.6-1761.6-1670.5
Log K£
392.50389.83282.17217.42174.24143.41120.31102.2487.25
Melting T
H298"H8
kJ
32.22 kJ
Boiling T
Molar Vol
K
kJ
9.233 J-bar'1 92.33 cm3
A« -2.499E+03 B= 8.218E-01 C= 1.235E+06
5/27/92
290 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ALUNITE Formula wt 414.214
KA13 (OH) 6 (S04 ) 2 : Crystals 298.15 to 700 K.
FORMATION FROM THE ELEMENTS
Temp.
K
CP SJ <H*-HJ98 >,T -(Oi-HJ98 ,/T AfH° AfG°
kJ'mol'1
Log Kf
298.15300400500600700
372.53374.90462.28508.84539.32562.22
321.00323.31444.70553.29648.92733.84
0.002.30
107.73183.69240.57284.94
321.00321.01336.96369.60408.35448.90
-5176.5-5176.6-5185.9-5186.2-5183.0-5177.7
-4663.5-4660.3-4487.0-4312.1-4137.6-3963.8
817.00811.41585.92450.48360.20295.77
Melting T
kJ
kJ
Boiling T K
A^0 kJ
Molar Vol. 29.360 J-bar'1 293.60 cm3
A* -5.116E+03 B= 1.594E+00 O -2.065E+06
11/25/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 291
LANGBEINITE Formula wt 414.997
K2Mg2 (S04 ) 3 : Cubic crystals 298.15 to 1203 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200
CP
318.92319.93363.71393.92416.52434.14448.13459.30468.13474.96480.00
COST
389.30391.28489.76574.34648.25713.84772.75826.21875.08920.03961.58
/UO_UO \ /f* T 298* /
J-mol'^-K"1 -
0.001.97
87.32145.78189 . 10222.90250.21272.85291.95308.29322.40
-<0*-HJ98 )/'.
389.30389.31402.44428.56459.15490.93522.54553.36583.12611.73639.18
r AfH°
kJ
-4071.0-4071.1-4084.4-4088.1-4088.9-4087.6-4085.1-4241.1-4250.8-4401.2-4391.4
A£6°
mol"1
-3733.4-3731.3-3616.5-3499.1-3381.1-3263.3-3145.7-3025.2-2889.0-2744.0-2593.8
Log Kf
654.05649.66472.25365.54294.35243.50205.39175.57150.90130.30112.90
Melting T
H298~H8
1203 K
kJ
57.066 kJ
Boiling T K
A^0 kJ
Molar Vol. 14.695 J'bar'1 146.95 cm3
-4.191E+03 B« 1.309E+00 C= 6.392E+06
11/25/92
292 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MAGNESIUM SULFATE Formula wt 120.369
MgS04 : Crystals 298.15 to 1400 K.
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100120013001400
°p
95.7196.10111.16120.67127.99134.27140.01145.42150.64155.73160.73165.66170.55
COST
91.4091.99121.91147.80170.47190.68208.99225.80241.39255.99269.75282.81295.27
<H*-H298 )/T
1-1. K~l
0.000.59
26.5444.4657.8068.2876.8984.2190.5996.28101.45106.20110.62
-CH-H598 )/!
91.4091.4095.38103.34112.67122.40132.10141.59150.80159.70168.30176.61184.65
I AfH°
1. T
-1284.9-1284.9-1287.6-1288.7-1288.9-1288.5-1287.7-1339.6-1345.4-1342.4-1339.0-1335.2-1458.4
AfG°
mol"1
-1170.5-1169.8-1131.3-1092.1-1052.7-1013.4-974.1-933.9-888.3-842.7-797.4-752.4-704.6
Log Kf
205.07203.68147.72114.0891.6475.6263.6054.2046.4040.0234.7130.2326.29
Melting T
H2*98~H6
1400 K
kJ
1539 kJ
Boiling T
Molar Vol.
K
kJ
J-bar'1
A* -1.325E+03 B= 4.385E-01 C= 2.288E+06
11/25/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 293
MANGANESE SULFATE Formula wt 151.002
MnSO4 : Orthorhombic crystals 298.15 to 1000 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000
CP
100.52100.99118.68129.02136.47142.54147.89152.81157.47
ST
127.00127.62159.38187.05211.26232.77252.16269.86286.21
(HT-H298 )/T
J»mol »K -
0.000.62
28.1747.3861.6372.7781.8389.4596.02
-CH-HJ98 >/'
127.00127.00131.21139.68149.63160.00170.33180.42190.19
T AfH°
k^
-1065.7-1065.7-1067.9-1068.4-1068.2-1067.3-1066.1-1117.7-1116.9
AfG°
T-mnl 1
-962.1-961.5-926.6-891.3-855.8-820.5-785.3-749.2-708.4
Log K£
168.56167.40120.9993.1074.4961.2151.2643.4736.99
Melting T
H2*98~H8
kJ
kJ
Boiling T
Molar Vol
K
kJ
4.362 J'bar"1 43.62 cm3
-1.077E+03 B* 3.657E-01 C* 5.563E+05
6/10/93
294 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MASCAGNITE Formula wt 132.141
(NH4) 2SO4 : Orthorhombic crystals 298.15 to 600 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600
CP
187.48188.00215.88243.76271.64
Sf
220.50221.66279.56330.73377.64
<Hf-H298 )/T
J-mol"1^"1
0.001.16
51.3587.05115.49
-<Gf-H298 )/T AfH°
220.50220.50228.21243.68262.15
lr T
-1182.7-1182.7-1187.6-1189.3-1188.2
AfG°
mol'1
-903.5-901.8-807.6-712.4-617.0
Log K£
158.29157.01105.4674.4253.72
Melting T
kJ
H298~H8 kJ
Boiling T K
Av*H° fcJ
Molar Vol. 7.468 J'bar'1 74.68 cm3
-1.193E+03 B= 9.583E-01 C* 3.227E+05
3/24/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 295
THENAROITE Formula wt 142.043
Na2SO4 : Orthorhombic crystals (V) 298.15 to 450 K. K. Hexagonal crystals (I) 514 to 1155 K.
Orthorhombic crystals (III) 450 to 514 Liquid 1155 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Aft»H 0
H2*98~H6
CP
127.28127.63146.82173.30170.78178.92187.06195.20203.34211.48196.37195.98195.58195.19194.80194.40194.01
A
ST
149.60150.35191.96234.89279.30306.23330.66353.16374.15393.91431.72447.42461.93475.41487.99499.79510.89
1155 K
kJ
23.22 kJ
= -1.482E+03
(HT-H298 )/T
.-1 -1
0.000.79
36.8168.0396.29
107.51116.95125.19132.60139.40165.14167.53169.54171.27172.75174.04175.16
B-
-(GT-H§ 98 )/T
149.60149.56155.15166.86183.01198.72213.71227.97241.55254.51266.58279.89292.39304.14315.24325.75335.73
5.020E-01
AfH° AfG°
-1387.8-1387.8-1395.1-1392.0-1384.2-1382.5-1379.9-1429.6-1424.3-1418.2-1581.8-1575.4-1569.2-1563.0-1557.0-1551.0-1545.2
-
kJ-mol'1
-1269.8-1269.1-1229.0-1187.8-1148.4-1109.2-1070.3-1030.7-986.7-943.2-895.0-838.0-781.5-725.5-669.9-614.6-559.6
Boiling T
Av*H°
Molar Vol. 553
6.251E+06
Log Kf
222.46220.96160.49124.0999.9782.7769.8859.8251.5444.7938.9633.6729.1625.2621.8718.8816.24
K
kJ
.333 J'bar'1
.33 cm3
2/5/92
296 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
NICKELOUS SULFATE Formula wt 154.754
NiSO4 : Orthorhombic crystals 298.15 to 1200 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
100011001200
CP
97.6998.19
116.56126.71133.62139.01143.57147.67151.47155.08158.56
ST
101.30101.91132.98160.17183.92204.93223.80240.95256.71271.31284.96
<HT-H§98 )/T
J-mol^-K"1 -
0.000.60
27.5746.4660.4471.2980.0587.3493.5698.99
103.81
-<GT-H298 )/T
101.30101.30105.41113.71123.48133.64143.75153.61163.14172.32181.15
AfH°
kJ
-873.2-873.3-875.7-876.5-876.6-876.2-875.0-926.6-923.7-920.5-917.1
AfG°
mol"1
-762.7-762.0-724.7-686.9-648.9-611.0-573.7-534.5-491.1-448.0-405.2
Log Kf
133.61132.6794.6471.7656.4945.5937.4631.0225.6521.2717.64
Melting T K
kJ
15.94 kJ
Boiling T
Molar Vol
K
kJ
3.857 J-bar'1
38.57 cm3
A" -8.988E+02 B» 4.077E-01 O 1.381E+06
2/5/93
THERMODYN AMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 297
ANGLESITE Formula wt 303.264
PbSO4 : Orthorhombic crystals 298.15 to 1100 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
10001100
CP
104.33104.33108.73117.63128.30139.81151.76163.98176.35188.83
ST
148.50149.15179.59204.76227.13247.76267.21285.79303.70321.10
<HT-H$98 )/T
i-l. K-l
0.000.64
26.9644.1657.2868.2477.9386.8195.15
103.09
-<0|-H598 )/1
148.50148.50152.62160.59169.85179.52189.28198.98208.56218.00
? AfH°
kJ-m
-920.0-920.0-922.7-924.2-924.8-929.1-927.4-977.7-972.4-966.0
AfG°
Q! 1
-813.1-812.4-776.4-739.6-702.6-664.8-627.2-588.7-545.8-503.4
Log Kf
142.44141.45101.3877.2761.1749.6140.9534.1728.5123.90
Melting T
H298"H6
kJ
20.05 kJ
Boiling T
Molar Vol
K
kJ
4.795 J-bar'1 47.95 cm3
A* -9.455E+02 B= 3.981E-01 C= 1.275E+06
11/25/92
298 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ZINKOSITE Formula wt 161.454
ZnSO4 : Orthorhombic crystals 298.15 to 1100 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
10001100
CP
104.12104.02104.84111.90121.41132.08143.36155.01166.88178.89
ST
110.50111.14140.94165.03186.25205.75224.12241.67258.62275.09
(HT-H§98 )/T
J«mol"~l»K~^ -
0.000.64
26.3842.7255.0265.2674.3182.6390.4697.95
-(G*-H598 >/<
110.50110.50114.56122.31131.23140.50149.81159.05168.16177.14
T AfH°
kJ«m
-980.1-980.1-982.9-984.8-985.8-993.3-992.5
-1043.8-1039.6-1034.4
AfG°
ol_""
-868.7-868.1-830.5-792.2-753.6-714.8-675.1-634.4-589.1-544.3
Log Kf
152.20151.14108.4682.7665.6153.3444.0836.8230.7725.85
Melting T
H298"H6
kJ
17.24 kJ
Boiling T
Molar Vol
K
kJ
4.157 J-bar'1 41.57 cm3
-1.010E+03 B« 4.187E-01 C= 1.501E+06
11/25/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 299
BERLINITE Formula wt 121.953
A1PO4 : Rhombohedral crystals 298.15 to a-0 transition at 855 K. jJ-crystals 855 to 1000 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000
°p ST (HT-H298 )/T
T. -._! 1 _ «r 1
-(GT-H298 )/T AfH«
\.T-
93.9694.15
109.86122.79131.82140.83153.40140.70142.50
90.8091.38120.53146.53169.75190.72210.29229.96244.88
0.000.58
25.8644.0457.9569.1278.8288.6293.92
90.8090.8094.67102.49111.80121.60131.47141.34150.96
-1733.8-1733.8-1735.3-1735.0-1734.0-1732.4-1730.0-1725.9-1735.2
A£6°
mol"1
-1617.9-1617.1-1577.9-1538.6-1499.4-1460.4-1421.7-1383.4-1344.7
Log Kf
283.44281.56206.05160.73130.53108.9792.8280.2970.24
Melting T
kJ
14.76 kJ
Boiling T
Molar Vol
K
kJ
4.658 J-bar'1
46.58 cm3
A* -1.731E+03 B= 3.866E-01 C* -2.087E+05
11/25/92
300 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
WHITLOCKITE Formula wt 310.177
Ca3 (PO4 ) 2 : Rhombohedral crystals 298.15 to 1373 K. Monoclinic crystals 1373 to 1600 K.
Temp.
K
298.15300400500600700800900
1000110012001300140015001600
Melting T
AitoH0
H298~H5
CP
231.63232.12255.24275.30294.16312.44330.43348.23365.93383.55401.12418.67330.54330.54330.54
236.00237.43307.49366.64418.51465.23508.13548.08585.69621.39655.52688.32729.26752.05773.38
K
kJ
kJ
0.001.43
62.09102.76133.10157.42177.92195.86211.98226.78240.57253.60275.09278.79282.02
236.00236.00245.40263.88285.41307.82330.21352.22373.70394.61414.94434.72454.17473.26491.36
FORMATION FROM THE
AfH° AfG°
kJ-mol'1
ELEMENTS
Log Kf
-4120.8-4120.8-4122.7-4121.9-4120.2-4117.6-4116.6-4112.2-4107.0-4101.2-4245.0-4232.6-4205.8-4201.6-4197.5
-3883.6-3882.2-3802.1-3722.1-3642.3-3562.8-3483.5-3404.6-3326.2-3248.4-3167.2-3077.8-2989.8-2903.0-2816.6
Boiling T
A* -4.148E+03 B= 8.253E-01
Molar
C«
Vol. 997
1.823E+06
680.38675.93496.50388.83317.08265.85227.44197.59173.74154.25137.86123.67111.55101.0991.95
K
kJ
.762 J'bar'1
. 62 cm3
11/25/92
THERMODYN AMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 301
FLUORAPATITE Formula wt 504.302
Ca5 (PO4 ) 3F: Hexagonal crystals 298.15 to 1600 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000110012001300140015001600
Melting T
A&.H0
HJ98-H8
CP
375.94377.11426.47458.22480.47496.89509.43519.24527.04533.30538.35542.44545.74548.40550.50
>
eosT
387.90390.23506.06604.87690.49765.84833.05893.64948.77999.30
1045.931089.191129.511167.261202.72
K
kJ
63.47 kJ
,- -6.931E+03
(HT-H298 )/T
J-mol'^K""1
0.002.32
102 . 70170.83220.68259.02289.57314.57335.44353.15368.38381.62393.23403.49412.62
B=
-(GT-H£98 )/T AfH° AfG°
387.90387.91403.37434.03469.80506.82543.47579.07613.33646.15677.55707.57736.28763.77790.11
1.344E-fOO
-6872.0-6872.0-6874.0-6871.4-6867.7-6863.7-6864.1-6860.4-6857.7-6856.1-7085.0-7077.5-7069.7-7061.9-7054.1
C«
kJ-mol"1
-6489.7-6487.4-6358.5-6229.9-6102.0-5974.7-5847.4-5720.6-5594.1-5467.8-5335.3-5189.8-5044.8-4900.4-4756.6
Boiling T
Molar Vol. 15157
4.048E+06
Log Kf
1136.951129.52830.32650.82531.21445.83381.79332.00292.20259.64232.23208.52188.22170.64155.28
K
kJ
.756 J»bar"!
.56 cm3
11/25/92
302 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
HYDROXYAPATITE Formula wt 502.311
Ca5 (PO4 ) 3 (OH): Hexagonal crystals 298.15 to 1500 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500
CP
385.17386.83446.42477.29497.62513.35526.86539.23550.97562.37573.58584.69595.76606.82
ST
390.40392.79513.36616.59705.50783.43852.88915.66973.081026.131075.541121.901165.631207.11
<HT-H§98 )/T
J-mol~^»K~^ -
0.002.38
106.92178.17229.81269.23300.60326.44348.31367.25383.98398.99412.65425.23
-<GT-H298 )/T
390.40390.41406.44438.42475.70514.21552.28589.22624.77658.88691.57722.90752.98781.88
AfH°
1. T
-6738.5-6738.5-6740.1-6736.9-6732.7-6728.4-6728.4-6724.2-6720.7-6717.9-6945.1-6935.1-6924.2-6912.5
AfG°
-6337.1-6334.7-6199.4-6064.6-5930.6-5797.2-5663.9-5531.1-5398.8-5266.7-5128.6-4977.6-4827.4-4678.0
Log K£
1110.221102.94809.55633.55516.29432.58369.81321.01282.00250.09223.24200.00180.11162.90
Melting T Boiling T
H2*98"H6
kJ
64.24 kJMolar Vol.
K
kJ
15.960 J'bar'1 159.60 cm3
A- -6.777E+03 B- 1.386E-fOO C= 2.726E+06
11/25/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 303
TOPAZ Formula wt 184.043
Al2SiO4F2 : Orthorhombic crystals 298.15 to 1000 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000
CP
143.63144.28172.38190.31201.97209.49214.10216.62217.54
s*
105.40106.29151.96192.49228.30260.04288.34313.72336.61
<HT-H298 )/T
J-mol"1^"1 -
0.000.89
40.5268.8190.10106.66119.83130.46139.13
-(GT-H|98 )/T
105.40105.40111.44123.68138.19153.38168.51183.26197.47
AfH°
U.T
-3084.5-3084.5-3084.9-3083.7-3081.7-3079.3-3076.9-3074.6-3093.9
AfG«
-2910.6-2909.6-2851.1-2792.8-2734.8-2677.2-2619.9-2562.9-2504.7
Log Kf
509.92506.59372.31291.76238.08199.77171.06148.75130.83
Melting T
kJ
19.77 kJ
Boiling T
Molar Vol
K
kJ
5.153 J-bar'1 51.53 cm3
A- -3.079E+03 B» 5.740E-01 C» -2.85E+05
7/23/92
304 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
KYANITE Formula wt 162.046
Al2Si05 : Triclinic crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200130014001500160017001800
CP
121.58122.26149.25165.25175.97183.70189.56194.15197.84200.85203.35205.44207.20208.70209.97211.06211.99
ST
82.8083.55122.81157.97189.10216.84241.77264.37285.02304.02321.61337.97353.26367.61381.12393.88405.97
/UO_I1O \ /rp \ rim Ho OD / / A
J-mol'^K"1 -
0.000.75
34.8459.4478.0292.59
104.36114.09122.29129.30135.37140.68145.37149.54153.28156.65159.70
-«*-HJ98 )/'
82.8082.8087.9798.53
111.08124.24137.40150.27162.73174.72186.24197.29207.89218.06227.84237.23246.27
I AfH°
-2593.8-2593.8-2594.7-2594.1-2592.7-2591.0-2589.2-2587.3-2606.8-2604.6-2602.3-2599.9-2597.5-2595.0-2592.5-2640.1-2637.3
AfG°
-1
-2443.1-2442.2-2391.4-2340.6-2290.1-2239.8-2189.7-2139.9-2088.8-2037.1-1985.6-1934.2-1883.2-1832.2-1781.5-1730.4-1677.0
Log Kf
428.01425.21312.28244.52199.36167.13142.97124.19109.1196.7386.4377.7270.2663.8058.1653.1748.66
Melting T Boiling T
H298~H6
kJ
15.86 kJ
A= -2.599E+03 B= 5.109E-01
Molar Vol
C= 3.358E+05
K
kJ
4.415 J'bar 44.15 cm3
7/29/92
THERMODYN AMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 305
ANDALUSITE Formula wt 162.046
Al2SiO5 : Orthorhombic crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Afo.H0
H298-H6
CP
122.60123.26149.43165.03175.54183.16188.94193.49197.16200.16202.67204.77206.56208.08209.38210.50211.46
16.
S|
91.3992.15
131.57166.71197.79225.45250.30272.83293.41312.35329.88346.18361.43375.73389.20401.93413.99
K
kJ
90 kJ
<Hf-H298 )/T
J-mol'^K"1 -
0.000.76
34.9859.5478.0592.55
104.25113.92122.07129.04135.07140.36145.02149.18152.90156.26159.30
-<Gf-H$98 )/T AfH° AfG° Log Kf
91.3991.3996.59107.17119.74132.90146.05158.90171.34183.31194.80205.83216.40226.55236.30245.67254.69
-2589.9-2589.9-2590.7-2590.1-2588.8-2587.2-2585.4-2583.6-2603.1-2601.0-2598.8-2596.4-2594.1-2591.6-2589.2-2636.8-2634.1
-2441.8-2440.8-2391.0-2341.1-2291.4-2241.9-2192.7-2143.8-2093.5-2042.6-1992.0-1941.4-1891.2-1841.1-1791.1-1740.8-1688.2
Boiling T
Av*H°
Molar Vol. 5.51.
427.77424.98312.22244.56199.48167.29143.17124.42109.3596.9986.7178.0170.5664.1158.4753.4948.99
K
kJ
152 J'bar'152 cm3
A* -2.595E+03 B- 5.027E-01 C= 3.590E+05
7/29/92
306 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
SILLIMANITE Formula wt 162.046
A12S1O5 : Orthorhombic crystals 298.15 to 1800 K.
FORMATION FROM THE
Temp.
K
298.15300400500600700800900100011001200130014001500160017001800
Melting T
AfaH°
CP
123.72124.33148.88163.95174.29181.88187.70192.31196.05199.13201.70203.87205.71207.29208.64209.80210.80
**
95.4096.17135.63170.58201.44228.91253.59275.97296.44315.27332.71348.94364.12378.37391.79404.47416.50
K
kJ
(Hf-H298 )/T
.-1-1
0.000.76
35.0159.4077.7392.09103.70113.29121.39128.32134.33139.60144.26148.41152.13155.49158.54
-<Gf-H298 )/T
95.4095.40100.62111.91123.71136.81149.89162.68175.05186.95198.38209.34219.86229.96239.66248.98257.96
AfH°
1.J*
-2586.1-2586.1-2586.9-2586.4-2585.2-2583.7-2582.0-2580.4-2598.0-2598.0-2595.9-2593.6-2591.4-2589.0-2586.6-2634.3-2631.7
AfG°
.-1
-2439.1-2438.2-2388.8-2339.3-2289.9-2240.9-2192.0-2143.4-2093.4-2042.8-1992.5-1942.2-1892.3-1842.3-1792.7-1742.6-1690.3
Boiling T
A,wpH°
Molar Vol. 4H298"H8 17
A*
.44 kJ
-2.592E+03 B- 4.998E-01 0 4
49
.086E+05
ELEMENTS
Log Kf
427.32424.52311.93244.38199.35167.21143.12124.39109.3597.0086.7378.0470.6064.1658.5253.5449.05
K
kJ
.986 J-bar'1
. 86 cm3
7/29/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 307
MULLITE Formula wt 426.052
Al6Si2O13 : Orthorhombic crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200130014001500160017001800
Melting
AfaH°
H298-H6
cp
326.13327.73392.44431.98458.88478.40493.16504.65513.76521.10527.05531.91535.88539.13541.76543.88545.56
T
s* is
J.
275.00277.02381.04473.17554.45626.72691.61750.39804.05853.37898.98941.36980.931018.021052.901085.811116.95
2123 K
kJ
46.07 kJ
[T-H§9g)/l
mol"^«K~^
0.002.02
92.29156.55204.83242.59273.03298.15319.27337.30352.87366.46378.43389.04398.50406.99414.65
A* -6.844E+03
' -<Gf-H298 )/T AfH° AfG° Log Kf
kJ-mol"1
275.00275.01288.75316.62349.62384.14418.59452.24484.78516.07546.11574.90602.51628.98654.40678.82702.30
B- 1.295E+00
-6819.2-6819.3-6821.5-6820.4-6817.5-6813.7-6809.8-6806.0-6866.2-6861.6-6856.7-6851.4-6846.3-6840.9-6835.6-6930.5-6924.8
O
-6441.8-6439.4-6312.3-6185.1-6058.3-5932.1-5806.4-5681.2-5552.0-5420.8-5290.0-5159.5-5029.8-4900.2-4771.0-4641.0-4506.7
Boiling T
A UO Au^Jd
Molar Vol. 13.134.
1.613E+06
1128.551121.18824.29646.14527.41442.65379.11329.72290.00257.40230.26207.31187.66170.64155.75142.60130.78
K
kJ
46 J-bar'16 cm3
5/4/92
308 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
DUMORTIERITE Formula wt 565.938
1 A16.7SH ].25si3B017.25< OH >.75 s Orthorhombic crystals 298.15 to 1800 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200130014001500160017001800
CP
440.00442.08532.57592.80634.72664.89687.16703.94716.81726.88734.93741.52747.09751.98756.43760.66764.83
COST
334.90337.63478.13603.87715.87816.10906.41988.361063.231132.041195.641254.741309.901361.611410.291456.271499.87
<HT-H298 )/T
J-mol^-K"1 -
0.002.72
124.68212.67279.71332.70375.68411.26441.20466.73488.76507.96524.85539.83553.23565.31576.27
-<Gf-H298 )/T
334.90334.91353.45391.20436.16483.41530.73577.10622.02665.30706.88746.78785.05821.78857.06890.97923.59
AfH°
|_T KJ
-9109.0-9109.1-9112.5-9111.0-9106.7-9100.7-9094.2-9087.6-9153.0-9145.4-9137.5-9129.2-9121.2-9112.9-9104.6-9246.7-9237.7
AfG°
mol""l ____lUWiL ~ «MWM-^«
-8568.2-8564.9-8382.8-8200.4-8018.7-7837.8-7657.9-7478.7-7295.3-7109.9-6925.2-6741.0-6557.9-6375.0-6192.7-6009.4-5819.4
Log Kf
1501.081491.241094.65856.67698.07584.85499.99434.04381.06337.61301.44270.85244.67221.99202.17184.64168.87
Melting T Boiling T
H298~H8
kJ
59.84 kJ
A= -9.125E-I-03
Molar Vol
K
kJ
16.84 J-bar' 168.4 cm3
B= 1.833E+00 C- 1.061E+06
7/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 309
EUCLASE Formula wt 145.084
BeAlSi04 (OH): Crystals 298.15 to 1800 K.
FORMATION FROM THE
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Afa.H°
H298-H6
CP
126.83127.50156.65175.85188.84197.87204.36209.17212.92216.03218.78221.41224.07226.91230.01233.47237.34
16
A=
ST (E
j.
89.1089.89130.86168.02201.30231.13258.00282.36304.60325.04343.96361.57378.08393.63408.38422.42435.87
K
kJ
.83 kJ
-2.529E+03
*-H298 )/T
unl 1.^ 1
0.000.78
36.3762.4782.5298.39111.25121.88130.80138.41145.00150.77155.91160.55164.79168.73172.43
B=
-<GT-H298 )/T
89.1089.1094.49105.55118.78132.74146.75160.48173.80186.63198.96210.80222.17233.08243.58253.69263.44
5.403E-01
AfH° AfG°
-2532.9-2532.9-2533.9-2533.3-2531.8-2529.7-2527.4-2525.0-2533.3-2530.7-2528.2-2525.6-2523.0-2520.4-2532.2-2579.2-2575.6
C=
, .-1
-2370.2-2369.2-2314.4-2259.5-2204.9-2150.6-2096.6-2042.9-1988.7-1934.4-1880.3-1826.4-1772.7-1719.2-1665.5-1610.9-1554.1
Boiling T
Av*H°
Molar Vol. 446
-2.31E-I-05
ELEMENTS
Log Kf
415.24412.50302.22236.05191.95160.48136.89118.56103.8891.8581.8473.3866.1459.8754.3749.5045.10
K
kJ
.686 J-bar'1
. 86 cm3
7/23/92
310 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
PHENAKITE Formula wt 110.107
6628104: Hexagonal crystals 298.15 to 1800 K. Decomposes to BeO and SiO2 above 1833 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
AtoH°
H298"H5
CP
95.6096.16121.33138.41150.19158.46164.33168.53171.57173.77175.39176.61177.57178.39179.13179.88180.68
12
-
COST
63.3763.9695.31124.34150.68174.49196.06215.67233.59250.05265.24279.33292.46304.74316.27327.15337.46
K
kJ
.16 kJ
-2.135E+03
(HT-H298 )/T
J-mol"1 -*""1
0.000.59
27.8448.3564.4077.2887.8296.56103.92110.18115.55120.20124.26127.85131.03133.88136.46
-(GT-H^98 )/T AfH° AfG°
63.3763.3767.4775.9986.2897.21108.24119.10129.67139.87149.70159.13168.19176.89185.25193.28201.00
B= 3.744E-01
-2143.1-2143.1-2143.9-2143.3-2142.1-2140.3-2138.3-2136.2-2134.2-2132.2-2130.3-2128.7-2127.2-2125.9-2153.9-2202.4-2200.6
kJ-mol'1
-2028.4-2027.7-1989.0-1950.4-1911.9-1873.7-1835.7-1798.0-1760.5-1723.3-1686.2-1649.2-1612.4-1575.7-1538.3-1499.4-1458.0
Boiling T
A^pH0
Molar Vol. 337
C= -4.46E+05
Log Kf
355.36353.04259.74203.75166.44139.81119.86104.3591.9681.8373.3966.2760.1654.8750.2246.0742.31
K
kJ
.718 J-bar'1
. 18 cm3
7/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 311
BERYL Formula wt 537.502
Be3Al2 (Si6O18 ): Hexagonal crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
A^0
H298-H6
CP
417.00419.01507.82567.30608.30637.50659.03675.52688.78700.03710.19719.89729.66739.86750.81762.75775.87
64
ST
346.70349.29482.86603.00710.27806.36892.96971.57
1043.451109.641170.991228.221281.931332.611380.711426.581470.54
K
kJ
.43 kJ
<HT-H298)/T
J-mol""1^'1 -
0.002.58
118.55202.73267.11318.05359.39393.64422.51447.24468.73487.68504.61519.95534.04547.13559.47
-<Gf-H$98 )/T
346.71346.71364.32400.26443.16488.31533.56577.93620.94662.40702.26740.54777.31812.66846.67879.44911.07
A£H°
-9006.6-9006.7-9010.0-9008.6-9004.7-8999.1-8992.8-8986.1-9000.6-8993.5-8986.1-8978.7-8971.1-8963.4-8999.0-9290.5-9278.7
AfG°
-1
-8500.5-8497.3-8326.9-8156.2-7986.0-7816.7-7648.1-7480.5-7312.1-7143.5-6975.7-6808.5-6641.9-6475.7-6309.0-6138.4-5953.2
Boiling T
A^pH0
Molar Vol. 20203
Log Kf
1489.211479.481087.35852.05695.23583.27499.36434.14381.93339.21303.64273.56247.81225.50205.96188.60172.75
K
kJ
.33 J-bar'1
.3 can3
A* -8.995E+03 B= 1.683E+00 O -6.74E-I-05
7/22/92
312 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
BERTRANDITE Formula wt 238.230
Be4Si207 (OH) 2 : Crystals 298.15 to 1400 K.
FORMATION FROM THE ELEMENTS
Temp.
K
CP ST (H$-H298 )/T -(GT-H29g)/T AfH° AfG°
- J-mol"1 ^"1 kJ-mol"1
Log Kf
298.1530040050060070080090010001100120013001400
224.64225.83279.83317.42344.16363.51377.60387.80395.06400.01403.13404.76405.16
172.10173.49246.33313.06373.43428.01477.52522.62563.88601.78636.73669.07699.09
0.001.39
64.67111.68148.32177.75201.90222.02238.98253.41265.77276.41285.60
172.10172.10181.67201.38225.11250.26275.63300.60324.90348.37370.96392.67413.49
-4580.5-4580.6-4582.9-4582.4-4580.2-4576.7-4572.5-4568.1-4563.5-4559.1-4555.0-4551.4-4548.3
-4295.1-4293.3-4197.1-4100.6-4004.5-3908.8-3813.6-3719.0-3624.9-3531.3-3438.0-3345.1-3252.4
752.46747.51548.07428.38348.61291.67249.00215.84189.34167.68149.65134.41121.35
Melting T
H298~H8
kJ
31.04 kJ
Boiling T
Molar Vol
K
kJ
9.179 J-bar'1 91.79 cm3
A- -4.564E+03 B= 9.388E-01 O -1.03E+06
7/29/92
THERMODYNAMIC PROPERTIES AT fflGH TEMPERATURE OF INDIVIDUAL PHASES 313
LAWSONITE Formula wt 314.238
CaAl2Si207 (OH)2*H20: Crystals 298.15 to 600 K,
FORMATION FROM THE ELEMENTS
Temp.
K
CP ST (Hf-H298 )/T -<GT-H298 )/
- J-mol"1^"1
T AfH° AfG°
- kJ«mol~^
Log Kf
298.15300400500600
275.24276.56331.03368.81400.03
230.00231.71319.37397.47467.54
0.001.70
77.78132.37174.43
230.00230.01241.59265.10293.10
-4869.0-4869.1-4871.0-4869.7-4866.0
-4512.9-4510.7-4390.9-4270.9-4151.5
790.63785.37573.38446.17361.41
Melting T
H298~H8
kJ
41.36 kJ
Boiling T K
kJ
Molar Vol. 10.132 J'bar' 101.32 cm3
A= -4.869E+03 B- 1.196E+00 C- -7.02E-I-04
7/29/92
314 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
GEHLENITE Formula wt 274.200
Ca2Al2SiO7 : Tetragonal crystals 298.15 to incongruent melting point at 1866 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
AfaH0
CP
206.40207.12236.74255.45268.56278.34285.95292.04297.04301.21304.73307.74310.33312.57314.53316.24317.74
1866
COST
210.10211.38275.39330.37378.16420.33458.01492.06523.09551.61577.97602.48625.39646.88667.11686.23704.35
K
kJ
(HT-H298 )/T
J-mol"1 -*,""1
0.001.28
56.7694.75
122.69144.25161.51175.69187.58197.73206.50214.17220.95226.99232.40237.28241.71
-<GT-H2*98)/T AfH° AfG°
210.10210.10218.63235.62255.48276.08296.50316.37335.52353.88371.47388.31404.43419.89434.71448.95462.64
-3985.0-3985.0-3985.5-3984.6-3983.2-3981.6-3981.9-3980.8-4001.6-4001.2-4016.6-4014.6-4012.6-4010.3-4008.1-4055.9-4350.6
kJ-rnol'1
-3785.5-3784.3-3717.2-3650.2-3583.5-3517.0-3450.5-3384.2-3316.4-3247.9-3178.2-3108.3-3038.8-2969.3-2900.0-2830.3-2753.9
Boiling T
Av*H°
Molar Vol. 9H298-H5 33. 21 kJ
A* -4.005E+03 B- 6.909E-01 O
90
1.392E+06
Log Kf
663.19658.88485.41381.33311.96262.44225.29196.41173.23154.23138.34124.89113.38103.4094.6786.9679.91
K
kJ
.015 J-bar'1
.15 cm3
7/22/92
THERMOD YNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 315
ZOISITE Formula wt 454.357
Ca2Al3Si3012 (OH): Orthorhombic crystals 298.15 to 1200 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200
CP
350.34351.83412.84450.20476.35497.24516.12534.93554.92576.93601.55
ST
295.85298.02408.40504.83589.34664.38732.02793.89851.27905.17956.41
(HT-H298 )/T
,-1 _-l
0.002.17
97.91164.89214.73253.63285.28311.96335.25356.20375.60
-(GT-H298 )/T
295.85295.86310.49339.94374.61410.74446.74481.93516.02548.97580.81
A£H°
kJ«
-6901.1-6901.2-6902.5-6900.8-6897.7-6893.8-6891.2-6886.4-6913.1-6906.3-6914.2
A£G°
mol"1
-6504.5-6502.1-6368.7-6235.4-6102.6-5970.4-5838.5-5707.2-5574.3-5440.7-5306.5
Log Kf
1139.541132.08831.65651.39531.27445.51381.21331.23291.16258.35230.98
Melting T
H298"H5
K
kJ
52.07 kJ
Boiling T
Molar Vol
K
kJ
13.65 J-bar"1 136.5 cm3
A* -6.898E+03 B= 1.325E+00 C= -1.37E+05
7/22/92
316 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
GROSSULAR Formula wt 450.446
Ca3Al2Si3012 : Cubic crystals 298.15 to 1200 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200
cp
330.22331.57389.70425.80448.43463.30474.02482.99491.81501.62513.24
COST
260.12262.17366.16457.32537.11607.42670.02726.37777.71825.04869.17
(HT-H298 )/T
,-1-1
0.002.04
92.25155.64202.69238.93267.67291.11310.73327.63342.60
-(GT-H298 )/T
260.12260.13273.91301.68334.41368.49402.34435.27466.98497.41526.57
A£H°
i. T
-6640.0-6640.1-6640.8-6638.6-6635.3-6631.6-6630.9-6628.0-6647.1-6645.2-6666.7
A£G°
mol'1
-6278.5-6276.2-6154.7-6033.4-5912.7-5792.6-5672.6-5553.0-5432.2-5310.8-5187.7
Log K£
1099.941092.77803.71630.29514.73432.24370.37322.28283.74252.18225.81
Melting T
H298"H8
K
kJ
47.66 kJ
Boiling T
Molar Vol
K
kJ
12.528 J-bar'1 125.28 cm3
A= -6.637E+03 B= 1.206E+00 C= -1.07E+05
7/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 317
DATOLITE Formula wt 159.979
CaB(Si4 )OH: Crystals 298.15 to 1000 K. Datolite decomposes in air at about 970 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000
CP
127.41127.95153.07172.25187.00198.17206.23211.49214.12
COST
110.20110.99151.41187.72220.49250.20277.22301.84324.28
(HT-H$98 )/T
J-mol'^K""1 -
0.000.79
35.8761.3181.0897.05
110.23121.21130.39
-(GT-H$98 )/T AfH»
110.20110.20115.54126.41139.41153.14166.99180.63193.89
-2477.8-2477.8-2478.7-2478.3-2477.0-2475.0-2473.6-2471.1-2468.9
A£G°
-2318.1-2317.1-2263.4-2209.6-2155.9-2102.6-2049.4-1996.6-1944.0
Log K£
406.12403.44295.56230.83187.69156.89133.81115.87101.54
Melting T
H298"H8
K
kJ
19.25 kJ
Boiling T
Molar Vol
K
kJ
5.332 J'bar'1 53.32 cm3
A= -2.473E+03 B« 5.301E-01 C= -2.53E+05
7/22/92
318 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ILVAITE Formula wt 408.793
CaFe3Si2070(OH): Monoclinic crystals 298.15 to 900 K.
Temp.
K
cp ST (HT-H$98 )/T -<GT-H298 )/T
FORMATION FROM THE ELEMENTS
A£6° Log ]
kJ-
A£H
298.15300400500600700800900
298.90299.90343.40362.50380.90398.50408.10417.80
292.30294.20387.70466.50534.20594.30648.10696.70
0.001.85
83.02137.00176.10206.70213.20251.40
292.30292.35304.68329.50358.10387.60434.90445.30
-3692.8-3692.8-3689.7-3685.5-3681.0-3676.1-3686.8-3668.6
-3437.0-3435.4-3350.0-3265.6-3182.0-3099.2-3031.4-2935.3
602.13598.15437.45341.14277.01231.26197.93170.36
Melting T
H298~H8
kJ
48.09 kJ
A= -3.664E+03 B= 8.052E-01
Boiling T
Molar Vol
C= -1.20E+06
K
kJ
10.107 J-bar'1 101.07 cm3
3/5/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 319
ANDRADITE Formula wt 508.177
Ca3Pe2Si3O12 : Cubic crystals 298.15 to 1000 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.153004005006007008009001000
°P
351.88353.17406.71440.29462.94478.83490.20498.37504.17
ST
316.40318.58428.17522.80605.20677.82742.55800.78853.61
<H*-H598,/T
J ,mol""l«1f~l> -UKJX ^ ~
0.002.17
97.19162.68210.95248.15277.74301.82321.78
-<G*-H598 >/'
316.40316.41330.99360.11394.24429.67464.81498.96531.83
r A£H°
kJ
-5771.0-5771.0-5770.1-5766.8-5762.7-5758.5-5757.4-5754.7-5754.2
A£6°
mol"1
-5427.0-5424.9-5309.5-5194.7-5080.7-4967.3-4854.2-4741.5-4629.0
Log K£
950.77944.53693.33542.67442.30370.66316.94275.18241.79
Melting T
A&.H0
H298"H8
Boiling T
kJ
53.49 kJMolar Vol
K
kJ
13.204 J-bar'1 132.04 cm3
A= -5.756E+03 B= 1.128E+00 C= -6.85E+05
7/22/92
320 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MONTICELLITE Formula wt 156.466
CaMgSi04 : Orthorhombic crystals 298.15 to 1100 K,
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100
cp
123.00123.46141.90153.07160.69166.26170.53173.91176.64178.88
ST
108.10108.86147.16180.11208.73233.94256.44276.72295.19312.14
(HT-H$98 )/T
J-mol"1 -*'1 -
0.000.76
33.9656.7573.4786.3596.61105.02112.05118.03
-(GT-H$98 )/T AfH°
UT.
108.10108.10113.20123.37135.26147.60159.82171.70183.14194.11
-2251.0-2251.0-2250.9-2249.9-2248.6-2247.3-2246.8-2245.6-2253.2-2252.7
A£G°
-2132.8-2132.0-2092.3-2052.8-2013.5-1974.4-1935.4-1896.6-1857.2-1817.6
Log Kf
373.64371.21273.23214.45175.29147.33126.37110.0797.0186.31
Melting T
H298~H8
kJ
18.76 kJ
Boiling T
Molar Vol
K
kJ
5.13 J'bar'1 51.3 cm3
A= -2.248E+03 B* 3.910E-01 C« -1.25B+05
7/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 321
AKERMANITE Formula wt 272.628
Tetragonal crystals 298.15 to melting point at 1731 K, 357.9 K has an enthalpy of 0.68 kJ.
A small transition at
FORMATION FROM THE
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
A&.H0
CP
214.10214.79239.88253.60263.63272.19280.00287.32294.24300.75306.85312.52317.73322.45326.68330.38382.00
ST
212.50213.83281.42336.53383.69424.98461.84495.25525.88554.23580.67605.46628.81650.84671.84691.76784.60
(HT-H$98 )/T
J-mol"1 ^""1 -
0.001.32
58.2396.03123.16143.85160.38174.08185.76195.92204.91212.97220.27226.93233.03238.65315.23
-<GT-H298 )/T A£H° AfG°
ELEMENTS
Log Kf
kJ-mol"1
212.50212.50223.19240.50260.53281.13301.46321.16340.12358.32375.76392.48408.54423.96438.81453.11469.37
1731 K
124. 5 kJ
-3864.8-3864.8-3864.4-3863.1-3861.7-3860.3-3860.8-3859.7-3867.4-3866.9-3882.1-3879.6-4004.1-3999.6-3994.8-4090.1-4253.3
-3667.5-3666.3-3600.9-3535.2-3469.8-3404.6-3339.3-3274.2-3208.5-3142.6-3075.6-3008.5-2938.5-2862.5-2786.8-2710.5-2629.6
Boiling T
A,,*H°
Molar Vol. 9H298~H8 34
A=
.91 kJ
-3.904E+03 B= 6.968E-01 C= 2.
92
903E+06
642.52638.35470.22369.31302.06254.05218.03190.03167.59149.23133.87120.88109.6399.6890.9883.2876.31
K
kJ
.254 J-bar'1. 54 cm3
7/22/92
322 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MERWINITE Formula wt 328.705
Ca3Mg(SiO4 ) 2 : Monoclinic crystals 298.15 to 1600 K.
Temp.
298.153004005006007008009001000110012001300140015001600
Melting T
Aft.H0
H298~H8
CP
252.36253.18286.77306.89320.06329.37336.54342.58348.15353.67359.46365.75372.69380.42389.04
A=
ST
253.10254.66332.55398.87456.07506.14550.61590.60626.99660.43691.45720.46747.82773.79798.61
K
kJ
kJ
-4.557E+03
(HT-H$98 )/T
J»mol~''''«K
0.001.56
69.05114.76147.95173.24193.22209.49223.08234.70244.85253.90262.14269.76276.94
-<C*-H598 >/'
253.10253.10263.50284.11308.12332.90357.39381.12403.91425.73446.60466.56485.68504.03521.67
FORMATION
r A£H°
kJ- ]
-4536.2-4536.2-4535.6-4533.6-4531.2-4528.9-4529.6-4528.1-4535.9-4535.9-4559.8-4557.3-4681.7-4676.9-4671.4
FROM THE ELEMENTS
AfG°
I 1
-4307.7-4306.2-4229.6-4153.3-4077.5-4002.1-3926.6-3851.4-3775.5-3699.5-3621.6-3543.5-3462.5-3375.5-3288.9
Boiling T
B= 7.840E-01
Molar Vol.
Log Kf
754.67749.77552.32433.89354.97298.63256.38223.52197.21175.67157.64142,. 38129.18117.54107.37
K
kJ
9.85 J-bar'198.5 cm3
C= 1.573E+06
7/22/92
THERMOD YNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 323
TITANITE (SPHENE) Formula wt 196.041
CaTiSi05 : Monoclinic crystals 298.15 to 1670 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000110012001300140015001600
Melting T
A^0
cp
138.91139.51161.30172.66179.92185.25189.54193.24196.56199.64202.55205.34208.05210.70213.30
ST
129.20130.06173.58210.90243.07271.22296.24318.79339.32358.20375.70392.02407.34421.78435.47
1670 K
kJ
(HT-H$98 )/T
J-mol'^K""1
0.000.8638.5964.3783.0697.29108.56117.77125.49132.09137.84142.93147.48151.61155.38
-(GT-H298 )/T
129.20129.20134.99146.54160.01173.93187.68201.02213.83226.11237.86249.10259.86270.17280.08
A£H°
kJ
-2596.6-2596.6-2596.2-2594.9-2593.3-2591.6-2590.9-2589.3-2588.0-2587.1-2598.2-2596.0-2593.7-2591.3-2588.9
A£6°
I"1
-2454.6-2453.8-2406.2-2358.8-2311.7-2264.9-2218.3-2171.8-2125.4-2079.2-2032.3-1985.3-1938.4-1891.7-1845.1
Boiling T
Molar Vol. 5.H298~H8
A*
kJ
-2.591E+03 B* 4.661E-01 C« -2
55.
.27E+05
Log Kf
430.03427.23314.20246.42201.25169.01144.83126.04111.0298.7388.4679.7772.3265.8760.23
K
kJ
574 J'bar'174 cm3
7/22/92
324 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
LARNITE Formula wt 172.239
Monoclinic crystals 298.15 to 1000 K. Bredigite (a 1 ) is the stable modification of Ca2Si04 between 970 and 1710 K. a-crystals 1710 to 1800 K.
Temp.
298.15300400500600700800900100011001200130014001500160017001800
Melting T
A^H0
H298"H8
CP
128.59128.97145.20156.15164.18170.37175.34179.44180.66185.28189.89194.50199.11203.72208.33212.94205.02
A*
ST
127.60128.40167.89201.54230.76256.55279.63300.53319.64337.21353.50368.67382.87396.23408.83420.76444.84
K
kJ
kJ
-2.308E+03
<HT-H298 )/T
J-mol""1 -*"1
0.000.79
35.0258.2175.2488.4098.97107.69115.05121.35126.84131.66135.95139.79143.26146.41160.60
-<GT-H298 )/T
127.60127.60132.88143.33155.52168.15180.66192.84204.59215.86226.66237.01246.92256.44265.57274.35284.24
FORMATION
AfH°
1
-2306.7-2306.7-2306.3-2305.1-2303.6-2302.1-2302.4-2301.1-2300.1-2299.6-2315.0-2313.0-2310.8-2308.6-2306.3-2354.1-2628.4
FROM THE ELEMENTS
AfG°
_1
-2191.2-2190.5-2151.8-2113.3-2075.1-2037.1-1999.2-1961.4-1923.7-1886.1-1847.2-1808.3-1769.6-1731.0-1692.6-1653.8-1610.9
Boiling T
B= 3.850E-01
Av*H°
Molar
C= 2.
Vol.
243E+05
Log K£
383.88381.39280.99220.77180.65152.01130.53113.83100.4889.5680.4172.6666.0260.2855.2650.8146.75
K
kJ
5.16 J-bar'151.6 cm3
7/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 325
CALCIO-OLIVINE Formula wt 172.239
Y-Ca2SiO4 : Orthorhombic crystals 298.15 to 1200 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200
CP
126.93127.29141.80151.34158.91165.57171.73177.61183.31188.89194.39
ST
120.50121.29160.08192.80221.08246.09268.60289.17308.18325.91342.58
<HT-H$98 )/T
J-mol"1^'1 -
0.000.78
34.3956.8773.2685.9896.32105.03112.57119.26125.29
-<GT-H$98 )/T
120.50120.50125.69135.93147.82160.10172.28184.14195.61206.66217.30
A£H°
\» T -. <M jcJ*m
-2316.5-2316.5-2316.3-2315.5-2314.6-2313.6-2314.3-2313.3-2312.4-2311.7-2326.7
A£6°
ol_~
-2198.9-2198.2-2158.7-2119.4-2080.3-2041.3-2002.3-1963.3-1924.5-1885.7-1845.8
Log K£
385.23382.73281.90221.41181.10152.32130.73113.95100.5289.5480.34
Melting T
H2*98~H8
kJ
kJ
Boiling T
Molar Vol
K
kJ
5.801 J-bar'1 58.01 cm3
A= -2.314E+03 B= 3.898E-01 C« -9.84E+04
7/22/92
326 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
HATURITE (ALITE) Formula wt 228.317
Ca3Si05 : Triclinic crystals 298.15 to 1800 K.
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
AH»HO
CP
171.59172.08193.33207.61218.01225.97232.28237.43241.72245.33248.43251.10253.43255.48257.28258.89260.31
ST (
j
168.60169.66222.31267.07305.89340.12370.72398.39423.63446.84468.33488.32507.01524.57541.12556.76571.60
K
kJ
H*-H598)/T
mol'^lT1
0.001.06
46.6777.51
100.10117.54131.50143.00152.66160.92168.09174.38179.94184.91189.38193.42197.10
-<GT-H298 )/T
168.60168.60175.64189.56205.79222.58239.22255.39270.97285.92300.24313.94327.07339.66351.74363.34374.51
FORMATION
A£H°
kJ-mol
-2933.1-2933.1-2932.2-2930.3-2928.1-2925.9-2926.4-2924.6-2923.3-2922.8-2946.1-2943.4-2940.4-2937.4-2934.4-2981.4-3424.0
FROM THE ELEMENTS
AfG°
-1
-2786.5-2785.6-2736.5-2687.8-2639.5-2591.5-2543.6-2495.8-2448.3-2400.8-2351.5-2302.0-2252.8-2203.8-2155.0-2105.9-2048.0
Boiling T
A^o
Molar Vol. 7H298~H5
A=
kJ
-2.936E+03 B= 4. 89 IE-01 C= 4.
72
480E+05
Log Kf
488.17485.00357.34280.78229.78193.38166.07144.85127.88114.00102.3592.5084.0576.7470.3564.7059.43
K
kJ
.274 J-bar'1
.74 cm3
7/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 327
RANKINITE Formula wt 288.401
Ca3Si2O7 : Monoclinic crystals 298.15 to 1400 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
10001100120013001400
CP
214.35215.00242.55260.37272.58281.20287.38291.79294.89296.98298.27298.92299.05
ST
210.60211.93277.86334.03382.65425.35463.33497.44528.36556.57582.47606.38628.54
<Hf-H$98 )/T
J'mol'^'K"^ -
0.001.32
58.4697.17125.45147.12164.29178.22189.74199.41207.60214.60220.63
-<GT-H298 )/T
210.60210.60219.41236.86257.20278.23299.04319.22338.61357.16374.88391.78407.91
AfH°
1, T
-3949.0-3949.0-3948.5-3946.9-3944.9-3942.9-3943.7-3942.4-3941.8-3942.2-3966.7-3965.3-3964.2
AfG°
mol"1
-3748.1-3746.9-3679.5-3612.4-3545.7-3479.4-3413.0-3346.7-3280.6-3214.4-3146.4-3078.1-3009.9
Log Kf
656.64652.37480.48377.38308.68259.63222.84194.23171.36152.64136.95123.68112.30
Melting T 1633 K
kJ
kJ
Boiling T
Molar Vol
K
kJ
9.651 J-bar 96.51 cm3
A- -3.948E+03 B= 6.684E-01 C- 5.979E+04
7/22/92
328 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ROSENHAHNITE Formula wt 366.500
Ca3Si308 (OH) 2 : Triclinic crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900100011001200130014001500160017001800
Melting T
AH»HO
CP
289.35290.58335.67359.45374.84386.28395.60403.70411.03417.86424.36430.62436.70442.66448.52454.30460.02
ST
281.80283.59374.18451.87518.85577.52629.73676.80719.72759.22795.86830.07862.21892.54921.30948.66974.79
K
kJ
(Hf-H298 )/T
J»mol"^«K~l
0.001.79
80.33133.98172.92202.61226.17245.45261.65275.54287.68298.43308.09316.87324.91332.35339.29
-<Gf-H298 )/T
281.80281.81293.85317.89345.93374.91403.56431.35458.07483.67508.18531.64554.12575.68596.39616.31635.50
A£H°
kJ
-5198.1-5198.1-5198.5-5197.0-5195.0-5192.9-5193.5-5191.8-5190.7-5190.1-5213.4-5210.4-5207.2-5203.6-5199.8-5346.2-5787.1
A£G°
mol'1
-4882.1-4880.2-4774.0-4668.1-4562.4-4457.2-4351.9-4246.8-4141.9-4037.0-3930.4-3823.6-3717.0-3610.7-3504.6-3397.4-3276.3
Boiling T
A-pH°
Molar Vol. 12.HJ98-Hg
A=
kJ
-5.206E+03 B» 1.065E+00 C- 6.
126.
937E+05
Log Kf
855.31849.69623.41487.66397.19332.59284.14246.47216.35191.70171.08153.63138.68125.73114.41104.3995.07
K
kJ
646 J'bar'146 cm3
7/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 329
SPURRITE Formula wt 444.565
Ca5 (Si04 ) 2C03 : Crystals 298.15 to 1300 K.
Temp.
K
298.153004005006007008009001000110012001300
Melting T
H298"H5
CP
343.62344.71388.72415.98434.91449.02460.04468.93476.30482.51487.84492.46
A=
ST
331.00333.13438.91528.78606.39674.54735.24789.96839.76885.45927.67966.91
K
kJ
kJ
-5.829E+03
(H*-H598 ,/T
J-mol'^K""1 -
0.002.12
93.78155.67200.72235.23262.67285.11303.87319.84333.62345.66
-<GT-H298 )/«
331.00331.01345.13373.11405.67439.31472.57504.85535.89565.62594.05621.24
FORMATION
r A£H°
kJ*mol
-5840.2-5840.2-5838.1-5834.3-5830.1-5826.2-5826.9-5824.0-5822.2-5821.7-5861.1-5857.1
FROM THE ELEMENTS
AfGo
-1
-5525.6-5523.6-5418.4-5313.9-5210.2-5107.2-5004.2-4901.5-4799.1-4696.9-4591.5-4485.9
Boiling T
A UOfl JMlt^
Molar Vol. 14. 146.
B= 1.031E+00
Log Kf
968.04961.73707.55555.12453.58381.09326.73284.47250.68223.03199.86180.24
K
kJ
697 J'bar'1 97 cm3
C* -3.84E+05
7/23/92
330 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
TILLEYITB Formula wt 488.575
Ca5Si2O7 (CO3 ) 2 : Monoclinic crystals 298.15 to 1200 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200
CP
383.49384.73436.64470.37494.50512.82527.33539.15549.01557.38564.58
COST
394.00396.38514.78616.07704.07781.73851.19914.01971.341024.071072.88
(HT-H598 )/T
J-mol"1 -*'1 -
0.002.37
104.98174.89226.25265.94297.74323.92345.95364.80381.16
-<Gf-H298 )/T
394.00394.01409.80441.17477.82515.80553.46590.08625.38659.26691.72
AfH°
vjr
-6372.2-6372.2-6369.6-6365.1-6360.0-6354.9-6354.4-6350.0-6346.6-6344.4-6382.0
AfG°
mol"1
-6013.5-6011.3-5891.3-5772.2-5654.1-5536.8-5419.8-5303.2-5187.1-5071.3-4952.5
Log Kf
1053.521046.63769.30603.00492.22413.15353.87307.78270.94240.81215.57
Melting T
H298~H8
kJ
kJ
Boiling T
Molar Vol
K
kJ
17.050 J-bar'1 170.50 cm3
A« -6.351E+03 B= 1.165E+00 C« -8.90E+05
01/07/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 331
COBALT-OLIVINE Formula wt 209.950
Co2SiO4 : Orthorhombic crystals 298.15 to 1300 K,
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100
CP
133.41133.83151.48162.81170.44175.73179.40181.91183.55184.52
ST
142.60143.43184.55219.65250.05276.75300.47321.75341.01358.56
(HT-H298 )/T
J-mol"1^"1 -
0.000.82
36.4660.6778.3791.92102.64111.32118.47124.43
-<GT-H298 )/T
142.60142.60148.09158.98171.68184.82197.83210.43222.54234.12
A£H°
i. T
-1412.0-1412.0-1410.8-1409.0-1406.8-1404.5-1403.1-1401.1-1399.5-1398.4
AfG°
mol"1
-1308.7-1308.0-1273.5-1239.4-1205.7-1172.4-1139.2-1106.3-1073.7-1041.1
Log Kf
229.27227.74166.30129.47104.9687.4874.3864.2156.0849.44
Melting T
H298~H8
1693 K
kJ
22.52 kJ
A= -1.401E+03 B= 3.282E-01
Boiling T
Molar Vol
O -4.72E+05
K
kJ
4.449 J'bar'1 44.49 cm3
7/22/92
332 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
FAYALITE Formula wt 203.777
Fe2SiO4 : Orthorhombic crystals 298.15 to 1490 K. Fayalite melts incongruently at 1490 K. Liquid 1490 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
100011001200130014001500160017001800
CP
131.84132.39152.14162.24168.83174.03178.71183.31188.03193.02198.33204.03210.14240.60240.60240.60240.60
ST
151.00151.82192.99228.12258.31284.74308.29329.60349.16367.31384.33400.43415.77490.58506.10520.68534.43
<H*-H298 ,/T
J»mol~^«K~^
0.000.81
36.5160.7378.2391.55
102.16110.92118.39124.95130.84136.25141.30205.80207.98209.89211.60
-<GT-H298 )/T
151.00151.00156.48167.39180.09193.19206.13218.68230.77242.36253.49264.18274.46284.78298.12310.79322.83
A£H°
kJ
-1478.2-1478.2-1477.1-1475.5-1473.8-1472.3-1471.0-1470.4-1470.9-1472.9-1473.0-1469.6-1466.0-1372.5-1366.1-1412.0-1406.7
AfG°
.ntol-1
-1379.1-1378.5-1345.4-1312.7-1280.3-1248.1-1216.2-1184.4-1152.6-1120.7-1088.7-1056.8-1025.2-994.4-969.4-944.3-916.9
Log K£
241.61240.02175.69137.13111.4593.1479.4168.7460.2153.2147.3942.4638.2534.6331.6529.0126.61
Melting T
H298~H5
1490 K
89.3 kJ
22.49 kJ
Boiling T
Molar Vol.
K
kJ
4.631 J-bar'1 46.31 cm3
A« -1.457E+03 3.049E-01 C« -1.30E+06
7/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 333
ALMANDINE Formula wt 497.753
Fe3Al2Si3O12 : Cubic crystals 298.15 to 1200 K,
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
100011001200
CP
343.29344.49396.60431.35455.57472.90485.47494.57501.06505.54508.42
ST
342.60344.73451.51543.98624.89696.49760.51818.24870.71918.69962.81
<H*-H598 ,/T
0.002.12
94.70158.77206.33243.24272.78296.94317.05334.00348.42
-<GT-H298 )/T
342.60342.61356.81385.21418.56453.25487.73521.30553.66584.69614.39
A£H°
kJ
-5264.7-5264.7-5264.5-5262.0-5258.5-5254.6-5251.0-5248.4-5269.5-5271.4-5271.3
AfG°
mol"1
-4941.9-4939.9-4831.6-4723.6-4616.2-4509.5-4403.3-4297.5-4190.5-4082.4-3974.4
Log Kf
865.79860.10630.93493.46401.87336.50287.50249.42218.88193.85173.00
Melting T 1683 K
kJ
52.74 kJ
Boiling T
Molar Vol
K
kJ
11.532 J-bar' 115.32 cm3
A« -5.257E+03 B= 1.068E+00 C- -3.13E+05
4/6/93
334 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
CORDIERITE Formula wt 584.953
Mg2Al3 (AlSi5O18 ): Orthorhombic crystals 298.15 to 1700 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
10001100120013001400150016001700
Melting T
AftJH0
H2*98"H8
CP
443.28445.39528.32577.52611.37636.90657.37674.50689.32702.43714.27725.11735.16744.56753.44761.87
A=
ST
407.20409.95550.66674.23782.68878.92965.35
1043.791115.641181.971243.601301.211355.321406.361454.701500.63
K
kJ
kJ
-9.227E+03
(Hf-H298 )/T
J-mol'^K"1
0.002.74
124.83210.80274.89324.86365.18398.63426.97451.43472.84491.84508.86524.27538.31551.22
B=
-(GT-H298 )/T
407.20407.21425.83463.43507.79554.06600.16645.16688.67730.54770.76809.37846.45882.09916.38949.41
1.785E+00
AfH° AfG°
-9161.5-9161.6-9164.9-9164.2-9161.6-9157.8-9153.5-9149.2-9204.5-9199.3-9193.4-9186.9-9434.8-9424.6-9414.0-9653.8
C=
kJ-mol"1
-8651.1-8648.0-8476.1-8303.9-8132.1-7960.8-7790.1-7619.9-7445.9-7270.2-7095.1-6920.4-6740.2-6548.0-6356.6-6163.4
Boiling T
A^o
Molar Vol. 23233
4.350E+06
Log Kf
1515.611505.711106.84867.48707.94594.03508.63442.24388.92345.22308.83278.06251.48228.02207.52189.37
K
kJ
.322 J-bar'1
.22 cm3
7/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 335
FORSTERITE Formula wt 140.693
Mg2SiO4 : Orthorhombic crystals 298.15 to 1800 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900100011001200130014001500160017001800
Melting T
AfaH°
H2*98~H8
f oT^
118.61119.10137.71148.28155.77161.75166.83171.25175.14178.56181.54184.08186.21187.92189.21190.08190.53
ST
94.1194.85131.97163.92191.65216.12238.06257.97276.22293.08308.74323.38337.10350.01362.18373.68384.56
2163 K
kJ
17.22 kJ
(H^-H298 )/T
J-mol~^«K"^ -
0.000.73
32.9255.0171.2183.7393.81102.17109.28115.42120.81125.58129.84133.66137.09140.19142.97
-<GT-H298 )/T A£H° A£G° Log Kf
kJ-mol"1
94.1194.1199.05108.91120.44132.39144.25155.80166.94177.65187.93197.79207.26216.35225.09233.49241.59
-2173.0-2173.0-2173.2-2172.6-2171.6-2170.5-2169.2-2167.9-2183.8-2182.7-2181.3-2179.8-2433.0-2428.5-2424.0-2469.7-2465.0
-2053.6-2052.9-2012.8-1972.7-1932.9-1893.2-1853.6-1814.2-1773.6-1732.6-1691.8-1651.1-1604.2-1545.1-1486.3-1427.4-1366.2
Boiling T
A^0
Molar Vol. 4.43.
359.78357.43262.84206.09168.27141.27121.03105.2992.6482.2773.6466.3459.8553.8048.5243.8639.64
K
kJ
365 J-bar'165 cm3
A= -2.240E+03 B= 4.675E-01 C= 4.724E+06
7/22/92
336 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
PYROPE Formula wt 403.127
Mg3Al2Si3012 : Cubic crystals 298.15 to 1570 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900100011001200130014001500
CP
325.76327.12383.71419.39443.59460.82473.55483.27490.92497.14502.37506.94511.10515.01
ST
266.27268.29370.83460.56539.30609 . 04671.45727.81779.14826.23869.72910.11947.84983.23
<HT-H§98 )/T
J-mol"1^'1 -
0.002.01
90.96153.33199.81235.93264.87288.62308.49325.36339.90352.58363.75373.71
-<G*-H598 >/'
266.27266.28279.87307.24339.49373.11406.57439.19470.65500.87529.82557.54584.08609.52
T AfH°
1. T-
-6285.0-6285.1-6286.1-6284.3-6280.9-6276.9-6272.6-6268.5-6311.8-6308.0-6304.0-6299.9-6678.0-6669.6
AfG°
mol-1 -
-5934.5-5932.3-5814.4-5696.7-5579.5-5462.9-5346.9-5231.4-5112.8-4993.0-4873.7-4754.6-4626.6-4480.3
Log Kf
1039.671032.88759.27595.12485.72407.64349.11303.62267.06237.09212.14191.04172.62156.01
Melting T
H298~H8
1570 K
241.0 kJ
47.85 kJ
Boiling T K
A^pH0 kJ
Molar Vol. 11.312 J-bar'1 113.12 cm3
A= -6.316E+03 B= 1.208E+00 C« 2.167E+06
7/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 337
GLASS Formula wt 403.127
Glass 298.15 to glass transition 1020 K.
FORMATION FROM THE ELEMENTS
Temp.
298.153004005006007008009001000
CP
387.18387.83416.67437.98455.32470.25483.61495.85507.28
ST
346.30348.70464.47559.83641.26712.60776.28833.95886.79
\ 1*M v Q ft / /
J * inol * K
0.002.39
102.57167.61214.16249.70278.12301.64321.64
-(GT-H298 )/T
346.3346.3361.9392.2427.1462.9498.2532.3565.2
AfH°
1. T
-6163.0-6162.9-6159.5-6155.1-6150.3-6145.2-6140.0-6134.8-6176.6
A£G°
mol"1
-5836.3-5834.3-5725.2-5617.2-5510.0-5403.7-5298.2-5193.2-5085.3
Log Kf
1022.481015.82747.62586.81479.68403.22345.93301.40265.62
Melting T
H298~H8
1570 K
kJ
50.09 kJ
Boiling T
Molar Vol.
K
kJ
14.61 J«bar4 146.1 cm3
A* -6.143E+03 B= 1.058E+00 C= -7.88E+05
10/15/92
338 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
TEPHROITE Formula wt 201.959
Orthorhombic crystals 298.15 to 1524 K. Tephroite melts incongruently at 1524 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
100011001200130014001500
CP
128.74129.11144.89155.22162.48167.82171.86174.96177.38179.27180.74181.87182.73183.36
ST
155.90156.70196.18229.69258.67284.14306.82327.25345.82362.81378.48392.99406.50419.13
(HT-H298)/T
J-mol~^«K~^ -
0.000.80
35.0058.0874.9087.8298.08106.46113.43119.34124.39128.77132.60135.96
-<GT-H298 )/T
155.90155.90161.18171.62183.76196.32208.74220.79232.38243.48254.08264.22273.90283.17
AfH°
,
-1731.5-1731.5-1731.3-1730.4-1729.5-1728.4-1727.5-1726.6-1730.3-1729.8-1729.2-1728.7-1732.9-1737.6
AfG°
.-1
-1631.0-1630.3-1596.6-1563.0-1529.7-1496.4-1463.4-1430.4-1397.4-1364.2-1331.0-1297.8-1264.6-1230.8
Log Kf
285.73283.86208.49163.29133.17111.6695.5583.0272.9964.7857.9352.1547.1842.86
Melting T 1524 K
kJ
22.35 kJ
Boiling T K
A^pH0 kJ
Molar Vol. 4.899 J*bar4 48.99 cm3
A= -1.730E+03 B= 3.321E-01 C= -3.65E+04
7/22/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 339
LIEBENBERGITE Formula wt 209.463
Ni2Si04 : Orthorhombic crystals 298.15 to 1300 K.
FORMATION FROM THE ELEMENTS
Temp.
K
°P S o / ti o _ti o \ / ii* _ / f» o _ti o \ / T T (MT-M^9g)/T ~(G$-H298 )/T
J-mol'^K"1
A£H° AfG°
kJ-mol"^
Log Kf
298.153004005006007008009001000110012001300
123.07123.50141.96153.93162.20168.12172.44175.61177.93179.60180.74181.48
128.10128.86167.13200.18229.02254.49277.24297.74316.37333.41349.09363.59
0.000.76
33.9356.8273.7386.8197.26105.80112.90118.89124.00128.40
128.10128.10133.19143.36155.29167.68179.98191.94203.47214.52225.09235.19
-1396.5-1396.5-1396.7-1396.1-1395.6-1394.7-1393.0-1391.2-1389.4-1387.7-1386.2-1384.8
-1288.9-1288.3-1252.1-1216.1-1180.1-1144.2-1109.5-1073.1-1037.9-1002.8-967.9-933.1
225.81224.30163.51127.04102.7385.3872.4462.2854.2147.6242.1337.49
Melting T
kJ
19.72 kJ
Boiling T
Molar Vol
K
kJ
4.257 J-bar' 42.57 cm3
A= -1.391B+03 B= 3.528E-01 C- -3.04E+05
7/22/92
340 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
Ni2Si04-SPINEL Formula wt 209.463
Ni2Si04 : Cubic crystals 298.15 to 800 K,
FORMATION FROM THE ELEMENTS
Temp.
K
CP ST (Hf-H298 )/T -(Gf-H298 )/T AfH°
kJ-mol'1
Af6° Log Kf
298.15300400500600700800
120.73121.36143.89155.08161.80166.42169.91
124.10124.85163.28196.71225.63250.93273.39
0.000.75
34.0957.2874.1887.0597.19
124.10124.10129.19139.43151.45163.89176.20
-1389.7-1389.7-1389.8-1389.1-1388.5-1387.7-1386.2
-1280.9-1280.3-1243.7-1207.3-1171.0-1134.8-1099.7
224.41222.91162.41126.12101.9484.6871.80
Melting T Boiling T K
kJA rjO 1. TA^n KJ
H298~H8 ^
Molar Vol. 3.981 J-bar'139.81 cm3
A= -1.385E+03 B- 3.578E-01 O -2.19E+05
7/29/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 341
ZIRCON Formula wt 183.307
ZrSiO4 : Tetragonal crystals 298.15 to 1600 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
1000110012001300140015001600
Melting T
AfaH°
cp
98.6499.03115.51126.03133.27138.46142.28145.12147.25148.83149.97150.76151.28151.55151.63
ST (
j
84.0384.64115.58142.57166.23187.18205.93222.86238.27252.38265.38277.42288.61299.06308.84
K
kJ
HT-H398 )/T
0.000.61
27.4546.1860.1370.9779.6586.7892.7297.76102.06105.78109.01111.84114.33
-(Gf-H298 )/T
84.0384.0388.1496.39106.10116.21126.28136.08145.54154.62163.32171.64179.60187.22194.52
AfH°
kJ-
-2034.2-2034.2-2034.0-2032.9-2031.3-2029.5-2027.4-2025.4-2023.4-2021.4-2023.2-2021.0-2018.8-2016.7-2014.8
A£G°
mol"1
-1919.7-1919.0-1880.6-1842.4-1804.4-1766.7-1729.3-1692.2-1655.3-1618.5-1581.8-1545.1-1508.6-1472.2-1436.0
Boiling T
Molar Vol. 3H2-98-H5
-
kJ
-2.023E+03 B= 3.674E-01 C= -6.
39
21E+05
Log Kf
336.32334.12245.58192.47157.08131.83112.9198.2186.4676.8668.8562.0856.2851.2746.88
K
kJ
.926 J-bar4
.26 cm3
7/23/92
342 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
WOLLASTONITE Formula wt 116.162
CaSiO3 : Triclinic crystals 298.15 to 1400 K. Pseudowollastonite is stable above 1398 K,
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
10001100120013001400
f oTft
86.1986.5099.33107.40112.94116.96120.02122.44124.42126.11127.60128.95130.22
Sf
81.6982.22
109.02132.12152.22169.94185.77200.05213.06225.00236.03246.30255.90
<HT-H298 )/T
J»raol »K -
0.000.53
23.7739.7451.5060.5867.8373.7778.7482.9786.6389.8392.67
-<Gf-H298 )/T
81.6981.6985.2692.38100.71109.36117.94126.28134.32142.03149.41156.47163.23
AfH°
kJ-
-1634.8-1634.8-1634.7-1633.9-1633.0-1631.9-1631.8-1630.9-1630.1-1629.6-1637.1-1635.9-1634.7
AfG°
.-1
-1549.0-1548.5-1519.7-1491.0-1462.5-1434.2-1405.9-1377.8-1349.7-1321.7-1293.1-1264.4-1235.9
Log Kf
271.37269.61198.45155.76127.32107.0291.8079.9670.5062.7656.2850.8046.11
Melting T Boiling T
H2*98"H8
kJ
13.84 kJ
A= -1.632E+03 B* 2.827E-01
Molar Vol
C= -1.12E+05
K
kJ
3.990 J'bar'1 39.90 cm3
7/31/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 343
PSEUDOWOLLASTONITE Formula wt 116.162
CaSiO3 : Triclinic crystals 298.15 to melting point 1821 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900100011001200130014001500160017001800
Melting T
CP
87.9288.2099.53
106.55111.43115.06117.89120.17122.06123.65125.01126.19127.23128.14128.95129.68130.34
ST (E
j.
87.2087.74114.82137.84157.72175.18190.74204.76217.52229.23240.05250.10259.49268.30276.60284.44291.87
1821 K
mol'1 '!
0.000.54
24.0039.8651.4060.2567.2873.0477.8581.9485.4888.5691.2993.7295.8997.8699.65
)/T -<GT-H«,98 )/T
r 1
87.2087.2090.8297.98106.32114.93123.45131.72139.67147.29154.57161.54168.21174.59180.71186.58192.23
A£H°
1. T
-1627.6-1627.6-1627.4-1626.7-1625.8-1625.0-1625.0-1624.3-1623.8-1623.6-1631.3-1630.4-1629.4-1628.4-1627.5-1676.7-1824.1
A£G°
mol"1lUWJk
-1543.5-1542.9-1514.7-1486.6-1458.7-1430.9-1403.2-1375.5-1347.8-1320.3-1292.1-1263.8-1235.7-1207.6-1179.6-1145.1-1118.1
Boiling T
A« HO
Log K£
270.40268.64197.80155.30126.99106.7791.6179.8370.4062.6956.2450.7846.1042.0538.5135.3732.44
K
kJA^H0 57.3 kJ
Molar Vol. 4.H§98"H8
A=
kJ
-1.629E+03 B= 2.815E-01 C= 1.
40.
853E+05
008 J-bar'108 cm3
7/31/92
344 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
glass Formula wt 116.162
CaSiO3 : Glass 298.15 to 1821 K, melting point of pseudowollastonite.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200130014001500160017001800
CP
86.8187.1299.31
106.80112.43117.18121.47125.49129.34133.07136.74140.35143.92147.46150.99154.49157.98
ST
94.8095.34122.25145.27165.26182.95198.88213.42226.85239.35251.09262.17272.70282.76292.38301.64310.57
(H*-HJ98,/T
J-mol"1^'1 -
0.000.54
23.8639.7551.4160.4767.8374.0279.3684.0788.3192.1795.7499.07102.21105.18108.02
-<GT-H298 )/T
94.8094.8098.39
105.52113.85122.48131.05139.41147.49155.28162.78170.00176.96183.68190.18196.46202.56
A£H°
1. T
-1608.7-1608.7-1608.5-1607.8-1606.9-1605.9-1605.7-1604.5-1603.4-1602.3-1609.0-1606.8-1604.3-1601.5-1598.5-1645.3-1790.2
AfG°
ntoi-1
-1526.8-1526.3-1498.8-1471.5-1444.3-1417.3-1390.3-1363.5-1336.8-1310.1-1283.0-1255.9-1229.0-1202.3-1175.8-1149.0-1117.8
Log Kf
267.49265.75195.72153.72125.74105.7690.7879.1369.8262.2155.8550.4645.8541.8738.3935.3032.44
Melting T 1821 K
kJ
14.20 kJ
A* -1.606E+03
Boiling T
B= 2.698E-01
Molar Vol.
0 -6.93E+04
K
kJ
4.013 J-bar'1 40.13 cm3
7/31/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 345
Ca-Al PYROXENE Formula wt 218.123
CaAl2SiOg: Monoclinic crystals 298.15 to 1000 K,
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
1000
164165194212225234241246250
CP
.97
.63
.10
.57
.29
.43
.23
.45
.58
S5
141.142.193.239.279.314.346.375.401.
11
000289322772492240
(Hf-H298 )/T
0.001.02
46.0177.59
101.21119.62134.42146.59156.79
-<GT-H298 )/T
141141147161178195212228244
.00
.00
.88
.73
.06
.10
.07
.63
.61
AfH°
-3306.-3306.-3306.-3306.-3304.-3302.-3301.-3299.-3319.
AM HBV
339034352
AfG°
-3129.6-3128.5-3069.0-3009.7-2950.5-2891.7-2833.1-2774.7-2715.0
Log Kf
548.27544.70400.77314.41256.86215.78184.98161.04141.81
Melting T
kJ
24.40 kJ
Boiling T
Molar Vol.
K
kJ
6.357 J»bar' 63.57 cm3
A« -3.303E+03 B« 5.877E-01 O -1.73E+05
04/30/93
346 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
HEDENBERGITE Formula wt 248.092
CaFeSi2Og: Monoclinic crystals 298.15 to 1300 K. Decomposes at 1238 K.
FORMATION PROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
1000110012001300
CP
175.30175.94201.95218.13229.59238.39245.51251.49256.67261.25265.37269.13
Sf
174.20175.29229.81276.73317.57353.65385.96415.23442.00466.68489.59510.99
<H*-H298 )/T
J-1 --1
0.001.08
48.3580.79104.69123.18138.04150.32160.71169.64177.45184.36
-<GT-H298 )/T
174.20174.20181.46195.94212.88230.46247.92264.90281.29297.04312.14326.63
AfH°
t-T
-2839.9-2839.9-2839.3-2837.6-2835.4-2833.2-2831.8-2829.8-2828.6-2828.4-2835.2-2831.6
AfG.
mol"1
-2676.3-2675.2-2620.4-2565.9-2511.7-2457.9-2404.4-2351.1-2298.0-2244.9-2191.3-2137.6
Log Kf
468.86465.79342.18268.05218.66183.41156.99136.45120.03106.6095.3885.90
Melting T Boiling T
kJ
28.23 kJMolar Vol
K
kJ
6.795 J-bar'1 67.95 cm3
-2.830E+03 B= 5.328E-01 C= -4.43E+05
7/31/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 347
DIOPSIDE Formula wt 216.550
CaMgSi2Og: Monoclinic crystals 298.15 to incongruent melting point at 1668 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000110012001300140015001600
CP
166.78167.46195.68213.25224.98233.19239.21243.80247.47250.57253.33255.94258.51261.16263.96
S*
142.70143.73196.12241.81281.80317.13348.68377.13403.02426.75448.67469.05488.11506.04522.98
(H$-H598 )/T
J-mol"1 -*""1 -
0.001.03
46.4778.19
101.74119.97134.51146.41156.34164.77172.03178.39184.02189.07193.67
-<Gf-H298 )/T
142.70142.70149.65163.62180.06197.17214.17230.72246.68261.98276.64290.66304.09316.97329.32
AfH°
1. T
-3201.5-3201.5-3201.6-3200.2-3198.2-3196.0-3194.6-3192.4-3199.1-3197.6-3204.0-3201.7-3326.7-3322.9-3319.0
AfG°
mol
-3026.8-3025.7-2967.1-2908.6-2850.4-2792.6-2735.0-2677.7-2619.9-2562.1-2503.8-2445.5-2384.3-2317.1-2250.2
Log Kf
530.27526.81387.45303.85248.14208.38178.58155.41136.85121.66108.9898.2688.9680.6973.46
Melting T
H2*98~H0*
1668 K
137.7 kJ
25.24 kJ
Boiling T
Molar Vol.
K
kJ
6.609 J-bar'1 66.09 cm3
A* -3.213E+03 B= 5.949E-01 C* 9.377E+05
7/31/92
348 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
CaMgSi2O6 GLASS Formula wt 216.550
CaMgSi206 : Glass 298.15 to 1400 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
10001100120013001400
Melting T
H298~H5
CP
168.31168.93196.43213.62224.44232.22239.22247.01256.65268.92284.36303.39326.34
26
A*
ST
166.00167.04219.69265.52305.50340.70372.17400.78427.28452.30476.33499.82523.12
K
kJ
.94 kJ
-3.152E+03
(Hf-H298 )/T
i-l-l
0.001.04
46.6978.50101.99120.06134.51146.57157.07166.66175.80184.86194.12
-<GT-H298 )/T AfH° AfG° Log Kf
kJ-mol"1
166.00166.00172.99187.02203.51220.65237.65254.21270.21285.63300.53314.96328.99
-3156.1-3156.1-3156.1-3154.7-3152.7-3150.5-3149.2-3146.8-3152.9-3150.1-3154.1-3147.9-3267.2
-2988.3-2987.3-2931.0-2874.9-2819.1-2763.7-2708.4-2653.5-2598.1-2542.7-2487.0-2431.7-2373.8
Boiling T
Molar Vol. 7.609
B= 5.546E-01
76.09
523.53520.12382.74300.33245.42206.22176.84154.00135.71120.74108.2697.7188.56
K
kJ
J-bar'1cm3
0 -1.44E+05
10/15/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 349
FERROSILITE Formula wt 131.931
FeSiO3 : Orthorhombic crystals 298.15 to 800 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800
°p
90.6391.13109.00118.06123.64127.58130.65
S|
94.6095.16124.16149.56171.61190.98208.22
<H*-H598 ,/T
J-1.--1
0.000.56
25.7343.3756.3266.2374.10
-<Gf-H298 )/T
94.6094.6098.43106.18115.29124.75134.12
AfH°
1. T
-1195.2-1195.2-1194.3-1192.6-1190.7-1188.8-1187.0
AfG°
mol"1
-1118.0-1117.5-1091.7-1066.2-1041.1-1016.4-991.9
Log Kf
195.86194.57142.56111.3990.6475.8464.76
Melting T
kJ
kJ
Boiling T
Molar Vol
K
kJ
3.300 J-bar'1 33.00 cm3
A* -1.188E+03 B= 2.460E-01 C= -2.90E+05
05/07/93
350 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
a-SPODUMENE Formula wt 186.090
LiAlSi2O6 : Monoclinic crystals 298.15 to 1200 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200
CP
158.93159.48184.73203.25217.12227.78236.12242.75248.07252.37255.84
ST
129.30130.28179.81223.13261.47295.77326.75354.96380.82404.68426.79
(Hf-H298 )/T
J-mol'^K"1 -
0.000.98
43.9374.0396.78114.76129.43141.67152.05160.98168.75
-<GT-H298 )/T
129.30129.30135.88149.09164.69181.01197.32213.29228.77243.69258.04
AfH°
kJ*m
-3053.5-3053.5-3054.5-3057.3-3056.3-3054.4-3052.1-3049.6-3057.4-3054.3-3050.9
AfG°
_i 1
-2880.2-2879.2-2820.8-2762.1-2703.2-2644.5-2586.0-2527.9-2469.4-2410.7-2352.3
Log Kf
504.59501.29368.36288.55235.33197.33168.85146.71128.98114.47102.39
Melting T
H298~H8
kJ
kJ
Boiling T
Molar Vol
K
kJ
5.837 J-bar'1
58.37 cm3
A= -3.054E+03 B= 5.849E-01 C* -5.34E+04
9/18/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 351
fJ-SPODUMENE Formula wt 186.090
L1A1S12O6 : Tetragonal crystals 298.15 to 1700 K. Melting point is 1696 K,
FORMATION FROM THE ELEMENTS
Temp.
298.1530040050060070080090010001100120013001400150016001700
Melting T
A^H0
H298-H6
CP
162.77163.37189.58207.34220.36230.39238.41244.98250.49255.18259.22262.74265.84268.58271.03273.23
A=
ST
154.40155.41206.27250.60289.60324.36355.66384.14410.24434.34456.72477.61497.20515.63533.05549.55
1696 K
kJ
kJ
-3.023E+03
(Hf-H298 )/T
0.001.01
45.1175.8898.93117.02131.71143.94154.33163.29171.12178.03184.20189.73194.74199.29
B*
-(GT-H298 )/T AfH° AfG°
154.40154.40161.16174.71190.68207.34223.95240.19255.91271.05285.60299.58313.00325.90338.31350.25
5.543E-01
-3025.3-3025.3-3025.8-3028.2-3026.8-3024.7-3022.1-3019.3-3026.9-3023.5-3019.9-3016.0-3012.1-3008.0-3003.8-3245.1
C*
kJ-mol~l
-2859.5-2858.5-2802.7-2746.7-2690.5-2634.7-2579.1-2523.9-2468.3-2412.6-2357.2-2302.1-2247.4-2192.9-2138.7-2076.7
Boiling T
A^H°
Molar Vol. 778
-2.00E+05
Log Kf
500.96497.69365.99286.94234.23196.60168.40146.48128.93114.56102.6092.5083.8576.3669.8263.81
K
kJ
.825 J-bar'1
.25 cm3
10/16/92
352 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ENSTATITE Formula wt 100.389
MgSiO3 : Orthorhombic crystals 298.15 to 1000 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000
CP
83.0983.4197.40
106.62112.88117.44121.10124.39127.68
ST
66.2766.7892.83
115.63135.66153.41169.34183.80197.07
(HT-H298 )/T
0.000.51
23.1138.9550.7859.9967.4173.5678.81
-<Gf-H$98 )/T
66.2766.2769.7376.6884.8793.42101.93110.24118.27
AfH°
kJ-
-1545.6-1545.6-1545.6-1544.9-1543.8-1542.5-1541.1-1539.6-1546.7
AfG°
mol"1
-1458.3-1457.7-1428.4-1399.1-1370.1-1341.2-1312.6-1284.1-1255.1
Log Kf
255.48253.81186.52146.16119.27100.0885.7074.5265.56
Melting T K
kJ
11.99 kJ
Boiling T
Molar Vol
K
kJ
3.131 J-bar'1 31.31 cm3
A= -1.542E+03 B= 2.869E-01 C- -1.78E+05
7/31/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 353
CLINOENSTATITE Formula wt 100.389
MgSi03 : Crystals 298.15 to melting point at 1830 K,
FORMATION FROM THE ELEMENTS
Temp.
K
298.153004005006007008009001000110012001300140015001600
CP
82.1282.3493.04101.20107.42112.22115.98118.95121.32123.22124.73125.93126.87127.60128.14
ST
67.8668.3793.59115.27134.29151.23166.47180.30192.96204.62215.41225.44234.81243.59251.84
<Hf-H298)/T
0.000.51
22.3637.3548.5357.3064.4170.3175.3079.5783.2786.5189.3691.8994.14
-<Gf-H298 )/T
67.8667.8671.2377.9285.7693.92102.06109.99117.67125.05132.13138.93145.45151.70157.71
AfH°
1. T.
-1545.0-1545.0-1545.3-1545.1-1544.6-1543.8-1542.9-1541.9-1549.6-1548.7-1547.7-1546.7-1673.1-1670.8-1668.5
AfG°
mol"1
-1458.1-1457.6-1428.4-1399.2-1370.0-1341.0-1312.1-1283.3-1253.9-1224.3-1194.9-1165.5-1133.1-1094.6-1056.3
Log Kf
255.45253.78186.52146.17119.27100.0685.6774.4865.4958.1452.0146.8342.2838.1234.48
Melting T 1830 K
61.50 kJ
kJ
Boiling T
Molar Vol
K
kJ
3.128 J-bar*1 31.28 cm3
-1.562E+03 B= 3.088E-01 C= 1.138E+06
10/16/92
354 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MgSi03-ILMENITE Formula wt 100.389
: Ilmenite structure form stable only at high pressure 298.15 to 700 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700
102102104109115122
CP
.64
.63
.92
.92
.98
.55
S*
60.4061.0390.77
114.69135.26153.62
<Hf-H298 )/T
J-mol"1^'1 -
0.000.63
26.3342.5254.2563.53
-<Gf-H298 )/T
606064728190
.40
.40
.44
.17
.01
.09
AfH°
-1486.-1486.-1485.-1484.-1482.-1481.
1» T JCU
664280
AfG°
mol"1
-1397.-1397.-1367.-1337.-1308.-1279.
503989
Log Kf
244.83243.23178.54139.77113.9495.51
Melting T
kJ
H2*98~H5 kJ
Boiling T
Molar Vol
K
kJ
2.636 J-bar'1 26.36 cm3
A* -1.481E+03 B= 2.885E-01 C= -1.88E+05
12/9/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 355
RHODONITE Formula wt 131.022
MnSiO3 : Triclinic crystals 298.15 to 1600 K. Melts incongruently at 1564 K,
FORMATION FROM THE ELEMENTS
Temp.
298.153004005006007008009001000110012001300140015001600
Melting T
A^0
CP
86.4486.84101.42108.73113.29116.61119.31121.67123.83125.87127.83129.75131.63133.50135.35
Sf
100.50101.04128.30151.79172.04189.77205.52219.71232.64244.54255.58265.89275.57284.72293.39
1564 K
kJ
(Hf-H298)/T
J-mol"1^"1 -
0.000.53
24.1840.4352.2161.1968.2974.0978.9683.1386.7790.0192.9195.5697.99
-<GT-H298 )/T
100.50100.50104.12111.37119.83128.58137.23145.62153.69161.41168.81175.88182.66189.16195.41
A£H°
VT
-1321.6-1321.6-1321.4-1320.6-1319.8-1318.9-1318.0-1317.2-1318.6-1317.8-1317.0-1316.1-1317.4-1318.9-1330.5
A£G°
mol"1
-1244.7-1244.2-1218.4-1192.7-1167.2-1141.9-1116.6-1091.5-1066.4-1041.3-1016.2-991.1-966.1-940.9-915.1
Boiling T
Molar Vol. 3.H298"H8 14.55 kJ
A* -1.318E+03 B- 2.513E-01 0 -1.
34.
87E+05
Log Kf
218.05216.63159.10124.60101.6185.2172.9163.3555.7049.4444.2339.8236.0532.7629.87
K
kJ
494 J'bar'194 cm3
4/5/93
356 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
JADEITE Formula wt 202.139
NaAlSi2O6 : Monoclinic crystals 298.15 to 1300 K,
Temp.
298.15300400500600700800900
1000110012001300
Melting T
A^H"
H2*98~H6
CP
159.92160.62188.41205.31217.07225.96233.06238.96244.02248.44252.39255.96
A=
Sf
133.50134.49184.89228.88267.41301.57332.22360.02385.46408.93430.72451.07
K
kJ
kJ
-3.039E+03
<HT-H298 )/T
J-mol"1-^1 -
0.000.99
44.7175.2597.96115.64129.89141.69151.67160.27167.79174.44
-<GT-H298 )/T
133.50133.50140.19153.63169.45185.93202.33218.33233.79248.66262.94276.63
FORMATION
A£H°
kJ*mol
-3029.3-3029.3-3033.0-3032.7-3031.6-3029.9-3027.8-3025.6-3033.8-3031.1-3125.0-3121.1
FROM THE ELEMENTS
A£6°
-1
-2850.6-2849.5-2789.1-2728.2-2667.4-2606.8-2546.5-2486.5-2426.0-2365.3-2302.4-2234.0
Boiling T
Av*H°
Molar Vol. 6. 60.
B= 6.146E-01
Log Kf
499.40496.13364.22285.01232.21194.52166.27144.31126.72112.32100.2289.76
K
kJ
040 J-bar'1
40 cm3
C= 4.741E+05
7/31/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 357
ACMITE Formula wt 231.004
NaFeSi2O6 : Monocltnic crystals 298.15 to 1300 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000110012001300
Melting T
H2*98~H8
CP
169.88170.58197.52213.32224.73234.07242.31249.91257.10264.04270.80277.44
26.
**
170.57171.62224.81270.70310.65346.01377.81406.80433.50458.33481.60503.54
K
kJ
94 kJ
A= -2.587E+03
(H*-H298 ,/T
,-!.--!
0.001.05
47.1778.93
102.32120.49135.21147.54158.13167.45175.78183.35
-<GT-H298 )/T
170.57170.57177.64191.78208.33225.52242.60259.26275.37290.88305.82320.19
A£H° A£G°
-2584.5-2584.5-2587.4-2586.4-2584.9-2582.9-2580.6-2578.2-2576.2-2574.5-2668.5-2662.8
kJ-mol"1
-2417.2-2416.2-2359.8-2303.0-2246.4-2190.2-2134.3-2078.6-2023.2-1968.0-1910.5-1847.6
Boiling T
Molar Vol. 6
B= 5.648E-01 0 9
64
.860E+04
Log Kf
423.48420.69308.15240.59195.57163.43139.35120.64105.6893.4583.1674.24
K
kJ
.460 J-bar'1
.60 cm3
7/31/92
358 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
TREMOLITE Formula wt 812.366
Ca2Mg5Si8O22(OH) 2 : Monoclinic crystals 298.15 to 1000 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
1000
CP
655.44657.85774.71850.48895.82926.86956.04992.18
1041.58
ST
548.90552.96759.08940.81
1100.211240.731366.361480.951587.91
(HJ-HJ98,/T
J-1--1
0.004.05
182.86309.46403.71476.31534.42583.18626.42
-<Gf-H298 )/T
548.90548.91576.22631.36696.50764.42831.94897.77961.49
A£H°
kJ-
-12303.0-12303.1-12304.7-12299.8-12292.0-12283.0-12275.3-12265.0-12295.7
A£G°
mol~l
-11574.6-11570.0-11325.2-11080.8-10837.7-10596.1-10355.5-10116.1-9874.4
Log Kf
2027.772014.471478.891157.59943.48790.67676.13587.11515.78
Melting T
H298~H8
kJ
97.63 kJ
Boiling T
Molar Vol
K
kJ
27.290 J'bar'1 272.90 cm3
A= -1.228E+04 B= 2.405E+00 -1.24E+06
7/31/92
THERMOD YNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 359
GRUNERITE Formula wt 1001.614
Fe7Si8O22(OH) 2 : Monoclinic crystals 298.15 to 900 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
681683798871927975
10191061
cp
.08
.99
.99
.66
.67
.82
.77
.29
ST
725.00729.22943.371129.921293.951440.641573.851696.37
(Hf-H298 )/T
J-mor^-KT1 -
0.004.21
189.94319.42416.28492.84555.99609.84
-<Gf-H598 )/T Af
725.725.753.810.877.947.
1017.1086.
0001435068808653
-9623-9623-9622-9616-9607-9597-9586-9574
rH°
- kJ*m
.0
.1
.2
.4
.7
.4
.0
.5
f
,Q! 1
-8964-8960-8739-8519-8301-8084-7869-7655
:G°
.8
.7
.9
.9
.4
.5
.1
.1
Log Kf
1570.561560.171141.28890.05722.68603.26513.79444.28
Melting T
H298~H8
kJ
kJ
Boiling T
Molar Vol
K
kJ
27.870 J-bar'1 278.70 cm3
-9.590E+03 B= 2.154E+00 C- -1.52E-H06
9/18/92
360 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ANTHOPHYLLITE Formula wt 780.820
Mg7Si8O22 (OH) 2 : Monoclinic crystals 298.15 to 1200 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200
CP
664.02667.12788.45859.43907.21942.29969.58991.72
1010.241026.111039.97
ST
534.50538.62748.97933.121094.291236.891364.571480.091585.561682.611772.50
<HT-H298 )/T
J-mol'^K'1 -
0.004.10
186.60314.60409.61483.32542.46591.19632.19667.30697.79
-(GT-H298 )/T
534.50534.51562.37618.53684.68753.58822.11888.90953.371015.311074.71
A£H°
1. T
-12070.0-12070.1-12070.0-12063.8-12054.7-12043.9-12032.2-12020.3-12068.5-12057.1-12045.0
A£6°
- _. * 1
-11343.4-11338.8-11094.9-10851.7-10610.1-10370.2-10131.9-9895.0-9654.6-9413.7-9174.0
Log Kf
1987.261974.221448.811133.64923.67773.82661.53574.28504.29447.01399.32
Melting T
H298"H8
kJ
96.78 kJ
Boiling T
Molar Vol
K
kJ
26.540 J-bar"1 265.40 cm3
A= -1.204E+04 B= 2.389E+00 O -1.29E+06
4/5/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 361
GLAUCOPHANE Formula wt 783.543
Monoclinic crystals 298.15 to 1200 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200
CP
645.48647.73750.28823.97878.30919.33950.88975.41994.601009.621021.32
ST
541.20545.20746.42922.191077.461216.071340.981454.451558.261653.791742.16
(Hf-H29Q )/T
J-mol"1 -*"1 -
0.003.99
178.46300.59392.56465.02523.86572.73613.99649.31679.84
-<GT-H298 )/T
541.20541.21567.95621.60684.89751.05817.12881.73944.261004.481062.32
AfH°
1. T
-11964.0-11964.1-11973.3-11971.7-11966.2-11958.0-11948.3-11937.7-11973.7-11962.3-12144.0
AfG°
-11230.8-11226.2-10979.0-10730.6-10482.8-10236.2-9990.9-9746.8-9500.4-9253.5-9003.0
Log K£
1967.541954.611433.681120.99912.59763.82652.32565.68496.24439.40391.88
Melting T
H2*98~H5
K
kJ
95.62 kJ
Boiling T
Molar Vol
K
kJ
26.210 J'bar'1 262.10 cm3
A- -1.196E+04 B= 2.462E+00 C* -4.11E+05
8/5/92
362 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ANORTHITE Formula wt 278.207
CaAl2Si208 : Triclinic (PI) crystals 298.15 to 510 K: triclinic (II) crystals 510 to melting point 1830 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
cp
211.34212.23248.25270.17285.13296.26305.17312.78319.67326.21332.67339.23346.03353.18360.75368.81377.41
S o T
199.30200.61267.09325.01375.67420.49460.65497.04530.36561.13589.80616.68642.07666.18689.22711.33732.65
(Hf-H298 )/T
1-1. .-1
0.001.31
58.9699.17128.98152.12170.71186.08199.10210.36220.28229.18237.28244.77251.78258.42264.79
-<G*-HJ98 ,/'
199.30199.30208.12225.84246.68268.37289.94310.96331.26350.78369.51387.50404.79421.42437.44452.90467.86
r A£H°
i» T _
-4234.0-4234.0-4234.6-4233.4-4231.4-4229.1-4227.5-4225.2-4244.3-4241.8-4246.9-4243.0-4238.6-4233.8-4228.4-4322.7-4464.2
M°moi-l
-4007.9-4006.5-3930.5-3854.5-3778.9-3703.7-3628.7-3554.0-3478.1-3401.6-3324.7-3248.0-3171.7-3095.6-3019.9-2943.6-2860.5
Log Kf
702.15697.57513.25402.67328.98276.37236.93206.27181.67161.52144.72130.50118.33107.7998.5990.4483.01
Melting T 1830 K Boiling T
A^H0 133.0 kJ
H2*98~H8 33.33 kJMolar Vol.
K
kJ
10.079 J-bar'1 100.79 cm3
A= -4.240E+03 B= 7.634E-01 0 4.945E+05
7/30/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 363
CaAl2Si2O8-GLASS Formula wt 278.207
CaAl2Si208 : Glass 298.15 to 1500 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
100011001200130014001500
Melting T
f° CP
210.65211.54247.44269.96286.17298.89309.44318.53326.59333.90340.62346.89352.80358.41
ST
237.30238.61304.86362.65413.37458.48499.09536.08570.06601.54630.88658.40684.33708.86
K
kJ
(Hf-H298 )/T
J-mol"1^"1 -
0.001.30
58.7698.89
128.82152.24171.25187.12200.67212.45222.86232.16240.57248.24
-(GT-H298 )/T AfH° AfG°
237.30237.30246.09263.76284.55306.24327.85348.96369.39389.08408.03426.24443.76460.62
-4163.2-4163.2-4163.9-4162.7-4160.7-4158.2-4156.3-4153.5-4171.9-4168.7-4173.0-4168.3-4163.2-4157.8
kJ-mol'1
-3948.4-3947.1-3874.9-3802.7-3730.9-3659.4-3588.3-3517.4-3445.4-3372.9-3300.1-3227.5-3155.4-3083.6
Boiling T
Molar Vol. 10.H298~H8 33
A=
.15 kJ
-4.164E+03 B* 7.199E-01 C* 1
103.
.207E+05
Log Kf
691.73687.23505.99397.26324.79273.06234.28204.14179.97160.16143.65129.68117.73107.38
K
kJ
30 J-bar'10 cm3
9/16/92
364 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
BICCHULITE Formula wt 292.216
Ca2Al2Si06 (OH) 2 : Cubic crystals 298.15 to 1800 K.
Temp.
298.15300400500600700800900100011001200130014001500160017001800
Melting T
AjfcH0
CP
240.87241.81277.62298.60313.75326.14337.06347.12356.66365.85374.80383.59392.26400.84409.35417.80426.22
213.10214.59289.63353.99409.83459.15503.43543.71580.78615.21647.43677.78706.52733.88760.02785.09809.21
K
kJ
<H*-H598 >
0.001.49
66.54111.00143.58168.80189.16206.16220.73233.51244.91255.24264.72273.51281.73289.49296.85
-«0*-H*98>,
213.10213.10223.09243.00266.25290.36314.27337.56360.05381.70402.52422.53441.80460.37478.29495.60512.36
FORMATION
r AfH°
kJ-mol
-4341.2-4341.2-4342.2-4341.6-4340.3-4338.6-4338.6-4336.9-4356.6-4354.8-4368.4-4364.0-4359.1-4353.3-4347.0-4390.2-4679.6
Boiling
A^o
FROM THE ELEMENTS
A£G° Log Kf
-1
-4073.0-4071.4-3981.2-3891.0-3801.0-3711.3-3621.5-3532.0-3441.2-3349.7-3257.2-3164.7-3072.7-2981.0-2889.7-2798.3-2700.6
T
Molar Vol. 10.H298~H6
A=
kJ
-4.356E+03 B= 9.167E-01
103.
713.56708.87519.88406.48330.90276.93236.46204.99179.74159.06141.78127.16114.64103.8094.3485.9878.37
K
kJ
368 J-bar'168 cm3
C= 9.910E+05
7/30/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 365
MEIONITE (Al/Si ORDERED) Formula wt 934.709
Ca4Al6Si6O24CO3 : Tetragonal crystals 298.15 to 1200 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
100011001200
cp
709.51713.05844.29915.47963.02999.411029.841056.821081.651105.081127.55
COST
715.20719.60945.011141.701313.041464.331599.811722.701835.341939.542036.67
<HT-H$98)/T
,-1 _-l
0.004.39
199.95336.51437.18514.99577.49629.28673.29711.49745.23
-(GT-H$98)/T
715.20715.21745.06805.18875.86949.331022.321093.421162.051228.061291.44
AfH°
kJ-t
-13881.4-13881.5-13882.2-13877.0-13869.8-13861.6-13856.8-13848.8-13905.1-13896.8-13919.2
AfG°
.-1
-13131.8-13127.1-12875.3-12624.1-12374.1-12125.5-11877.6-11630.7-11380.3-11128.1-10874.3
Log Kf
2300.582285.581681.301318.801077.24904.80775.51675.01594.43528.42473.33
Melting T
H298~H5
kJ
kJ
Boiling T
Molar Vol
K
kJ
34.036 J-bar'1 340.36 cm3
A» -1.387E+04 B= 2.495E+00 C» -2.94E+05
7/30/92
366 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MICROCLINE Formula wt 278.332
KAlSi308 : Triclinic crystals 298.15 to 1400 K.
Temp.
298.1530040050060070080090010001100120013001400
Melting
H2*98~H6
CP
FORMATION FROM THE ELEMENTS
ST (HT-H^98 )/T -(GT-H2> 93)/T AfH° AfG° Log Kf
T._ .t l.«r 1 t-T. rti 1
202.13202.85236.27259.96276.64288.65297.58304.51310.21315.20319.89324.56329.45
T
33.
A» -4
214.20215.45278.64334.06383.02426.62465.77501.23533.62563.42591.05616.84641.07
K
kJ
99 kJ
.002E+03
0.001.25
56.0594.60123.63146.39164.76179.91192.67203.58213.08221.48229.01
214.20214.20222.59239.46259.39280.22301.01321.32340.95359.84377.97395.37412.06
-3974.6-3974.7-3978.8-3978.7-3977.4-3975.3-3972.8-3970.2-3978.0-4054.0-4049.7-4045.3-4040.7
-3749.3-3747.9-3671.5-3594.6-3517.9-3441.5-3365.4-3289.6-3213.4-3132.5-3048.9-2965.7-2882.8
Boiling T
Molar Vol. 10
B= 7.941E-01
108
656.84652.54479.44375.52306.25256.80219.73190.92167.85148.74132.71119.16107.56
K
kJ
.872 J-bar'1
.72 cm3
C= 1.562E+06
7/30/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 367
SANIDINE Formula wt 278.332
KAlSi3O8 : Monoclinic crystals 298.15 to 1400 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
10001100120013001400
cp
204.55205.29238.98262.28278.65290.48299.30306.15311.72316.51320.85325.03329.24
ST
232.80234.07298.03354.02403.37447.26486.65522.32554.87584.81612.54638.39662.63
(HT-H$98 )/T
J-mol"1^"1 -
0.001.26
56.7495.66124.87147.73166.15181.34194.11205.02214.49222.84230.29
-(GT-H298 )/T
232.80232.80241.30258.36278.50299.54320.51340.98360.76379.79398.04415.55432.34
AfH°
UT
-3965.6-3965.6-3969.5-3969.2-3967.7-3965.4-3962.7-3959.9-3967.6-4043.4-4039.0-4034.5-4029.9
AfG°
-3745.8-3744.4-3670.0-3595.1-3520.4-3446.0-3372.0-3298.3-3224.2-3145.4-3064.0-2982.9-2902.2
Log Kf
656.23651.95479.24375.57306.47257.14220.16191.42168.41149.36133.37119.85108.28
Melting T
H298~H5
1473 K
kJ
34.02 kJ
Boiling T K
A^0 kJ
Molar Vol. 10.905 J-bar'1 109.05 cm3
A» -3.991E+03 B» 7.728E-01 C» 1.497E+06
5/12/93
368 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
KAlSi3O8-GLASS Formula wt 278.332
KAlSi308 : Glass 298.15 to 1300 K.
Temp.
K
298.153004005006007008009001000110012001300
Melting T
H298"H5
cp
209.41210.18244.32267.66283.99295.65304.11310.30314.88318.26320.78322.67
34
A»
ST
261.60262.90328.36385.54435.87480.57520.63556.83589.77619.95647.75673.51
K
kJ
.88 kJ
-3.937E+03
(HT-H$98 )/T
-1-1
0.001.29
58.0697.79127.54150.77169.43184.76197.55208.38217.65225.66
-<GT-H298 )/'
261.60261.60270.30287.75308.33329.81351.20372.07392.22411.57430.11447.85
FORMATION
I AfH°
kJ*mol
-3920.8-3920.8-3924.2-3923.3-3921.3-3918.5-3915.3-3912.0-3919.3-3994.9-3990.4-3986.0
FROM THE ELEMENTS
AfG«
-1
-3709.6-3708.3-3636.8-3565.0-3493.5-3422.4-3351.7-3281.5-3210.9-3135.6-3057.7-2980.1
Boiling T
Molar Vol. 11. 116.
B= 7.307E-01
Log Kf
649.89645.65474.90372.42304.13255.38218.84190.45167.72148.89133.09119.74
K
kJ
650 J-bar'1
50 cm3
C= 9.138E+05
9/16/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 369
KALIOPHILLITE (KALSILITE) Formula wt 158.163
KAlSi04 : Hexagonal crystals 298.15 to 810 K. High kaliophillite 810 to 1800 K.
Temp.
298.15300400500600700800900
100011001200130014001500160017001800
Melting T
Afa.H0
cp
119.70120.07137.03150.35161.63171.63180.76177.65177.65177.65177.65177.65177.65177.65177.65177.65177.65
ST
133.26134.00170.98203.04231.47257.15280.68303.87322.58339.52354.97369.19382.36394.61406.08416.85427.00
K
kJ
(H*-HJ98 )/T
_1 _1
0.000.74
32.7955.0271.8785.4296.77106.26113.39119.23124.10128.22131.75134.81137.49139.85141.95
-(G*-H298)/.
133.26133.26138.19148.02159.61171.74183.90197.61209.19220.29230.87240.97250.61259.80268.59277.00285.05
FORMATION
T AfH°
-2124.7-2124.7-2127.9-2127.6-2126.5-2124.6-2122.1-2119.4-2128.1-2205.2-2202.5-2199.9-2197.4-2195.0-2192.7-2240.7-2238.3
Boiling
A,.^0
FROM THE ELEMENTS
AfG°
-1
-2008.8-2008.1-1968.6-1928.8-1889.1-1849.7-1810.5-1773.3-1734.2-1690.3-1643.6-1597.2-1550.9-1504.8-1458.9-1412.6-1364.0
T
Molar Vol. 5H298""H5
AS
kJ
-2.170B+03 B= 4.426E-01
59
Log Kf
351.92349.62257.06201.49164.46138.02118.21102.9290.5980.2771.5464.1757.8752.4047.6343.4039.58
K
kJ
.959 J-bar'1
.89 cm3
C» 2.954E+06
1/12/94
370 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
LEUCITE Formula wt 218.247
KAlSi2O6 : Tetragonal crystals 298.15 to 955 K. Cubic crystals 955 to melting point 1959 K.
Temp.
298.15300400500600700800900100011001200130014001500160017001800
Melting T
AfajH0
H298~H5
cp
164.11164.65188.61206.91222.99238.01252.48266.62236.40237.04238.18239.69241.46243.42245.53247.74250.05
A=
**
200.20201.22252.08296.20335.36370.87403.61434.16462.95484.04504.71523.83541.66558.39574.16589.11603.34
1959 K
kJ
kJ
-3.082E+03
<HT-H$98)/T
J-mol"1 -*"1
0.001.01
45.1175.6998.92117.73133.67147.66160.23165.82171.80176.96181.51185.57189.25192.62195.75
-<GT-H298 )/T
200.20200.20206.98220.50236.44253.15269.93286.50302.72318.22332.91346.87360.15372.82384.91396.49407.59
FORMATION
AfH°
-3037.8-3037.8-3041.2-3040.9-3039.4-3036.8-3033.3-3028.8-3034.0-3112.9-3110.4-3108.0-3105.6-3103.2-3100.8-3198.6-3195.6
FROM THE ELEMENTS
AfG°
i-l
-2875.1-2874.0-2818.8-2763.2-2707.8-2652.8-2598.1-2544.0-2489.6-2430.5-2368.6-2306.9-2245.4-2184.0-2122.8-2060.8-1994.0
Boiling T
B= 5.979E-01
A^H°
Molar Vol. 8.88.
Log Kf
503.69500.40368.09288.67235.73197.95169.63147.64130.04115.41103.1092.6983.7776.0569.3063.3257.86
K
kJ
827 J-bar'1
27 cm3
C= 2.833E+06
1/12/94
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 371
EOCRYPTITE Formula wt 126.006
L1A1S104 : a-eucryptite 298.15 to 1300 K. 0-eucryptite 1300 to 1600 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000110012001300140015001600
Melting T
Aft»H0
H298"H5
CP
113.30113.85136.04149.80159.40166.58172.22176.81180.63183.88186.69189.16191.34193.29195.05
A=
ST
103.80104.50140.59172.53200.73225.87248.49269.05287.88305.26321.38336.42350.52363.79376.32
1670 K
kJ
kJ
-2.123E+03
(HT-H298 )/T
0.000.70
32.0254.2971.0584.2194.87103.73111.23117.69123.33128.30132.73136.70140.29
B=
/ f* o v fi \ /f A w ® A f* ®
103.80103.80108.57118.24129.68141.66153.62165.32176.65187.56198.05208.12217.80227.09236.03
3.846E-01
-2123.3-2123.3-2123.9-2126.5-2125.4-2123.9-2122.0-2119.9-2128.4-2125.9-2123.2-2120.3-2117.4-2114.3-2111.1
C»
kJ-mol"1
-2009.2-2008.5-1970.1-1931.4-1892.4-1853.7-1815.2-1777.0-1738.3-1699.4-1660.7-1622.3-1584.2-1546.2-1508.4
Boiling T
Molar Vol. 553
-1.10E+05
Log Kf
352.00349.70257.26201.76164.75138.32118.52103.1390.8080.7072.2965.1859.1053.8449.24
K
kJ
.363 J-bar'1
.63 cm3
9/16/92
372 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
PETALITE Formula wt 306.259
LiAlSi4O10 : Monoclinic crystals 298.15 to 1300 K. Petalite decomposes above about 1100 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000110012001300
CP
245.30246.32292.33323.66345.43360.93372.26380.77387.40392.77397.36401.52
ST
233.20234.72312.31381.13442.18496.65545.63589.99630.46667.64702.02733.99
(HT-H298 )/T
J»inol~ *K~
0.001.52
68.84116.87153.25181.87205.00224.08240.09253.73265.52275.82
-(Gf-H298 )/T
233.20233.20243.47264.26288.92314.78340.63365.91390.37413.91436.50458.17
AfH°
1- T
-4886.5-4886.6-4887.9-4889.9-4887.5-4884.0-4879.9-4875.5-4881.6-4876.8-4871.9-4866.9
AfG°
mol'1
-4610.7-4608.9-4516.1-4422.9-4329.8-4237.1-4144.9-4053.3-3961.5-3869.7-3778.3-3687.4
Log Kf
807.75802.47589.73462.05376.93316.17270.63235.24206.92183.75164.46148.16
Melting T Boiling T
kJ
38.31 kJ
K
kJ
Molar Vol. 12.840 J-bar'1 128.40 cm3
A» -4.879E+03 B= 9.174E-01 C» -5.17E+05
8/7/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 373
ALBITE Formula wt 262.223
NaAlSi308 : Triclinic crystals 298.15 to 1400 K,
FORMATION FROM THE ELEMENTS
Temp.
K
298.1530040050060070080090010001100120013001400
CP
205.07205.84239.68262.58278.77290.66299.66306.68312.30316.95320.92324.41327.61
**
207.40208.67272.86328.96378.34422.25461.68497.39530.01560.00587.75613.58637.74
/llO_UQ _ \ /*P\ V vQft* /
J-mol"1^"1
0.001.27
56.9395.91125.11147.95166.38181.59194.39205.33214.80223.10230.45
-<G*-H298 ,/'
207.40207.40215.93233.05253.23274.30295.30315.80335.61354.67372.95390.48407.28
T AfH°
kJ-
-3935.0-3935.0-3939.0-3938.6-3937.1-3934.7-3931.9-3929.0-3936.5-3933.1-4026.3-4021.9-4017.4
AfG°
mnl 1
-3711.6-3710.2-3634.8-3558.7-3482.9-3407.4-3332.2-3257.4-3182.2-3107.0-3029.6-2946.7-2864.2
Log Kf
650.24645.98474.64371.77303.20254.26217.57189.05166.22147.53131.87118.40106.86
Melting T
H298~H5
K
kJ
33.45 kJ
Boiling T
Molar Vol
K
kJ
10.007 J-bar'1 100.07 cm3
A= -3.949E+03 B* 7.694E-01 C» 7.970E+05
8/7/92
374 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ANALBITE Formula wt 262.223
NaAlSi308 : Triclinic crystals 298.15 to 1400 K.
Temp.
298.1530040050060070080090010001100120013001400
Melting T
A^H"
H298"H5
cp
204.81205.57239.71263.29279.83291.73300.49307.13312.30316.50320.06323.25326.24
ST
225.60226.87290.99347.17396.72440.80480.35516.15548.78578.75606.45632.19656.26
(Hf-H$98)/T
J»mol~*»K""* -
0.001.27
56.8795.94125.29148.26166.77182.01194.79205.67215.06223.26230.51
-(Gf-H$98)/T
225.60225.60234.11251.23271.43292.54313.58334.13353.99373.08391.39408.93425.75
1391 K
kJ
33.42
A» -3.
kJ
937E+03 B= 7.507E-01
FORMATION
AfH°
kJ*mol
-3923.6-3923.6-3927.6-3927.2-3925.5-3923.1-3920.2-3917.2-3924.7-3921.3-4014.6-4010.3-4005.9
FROM THE ELEMENTS
AfG°
-1 ___
-3705.6-3704.2-3630.6-3556.4-3482.4-3408.7-3335.4-3262.5-3189.2-3115.8-3040.3-2959.3-2878.6
Boiling T
A^"
Molar Vol. 10100
Log Kf
649.19644.95474.10371.53303.16254.36217.78189.35166.58147.95132.34118.90107.40
K
kJ
.043 J-bar'1
.43 cm3
C» 7.781E+05
8/7/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 375
NaAlSi3O8-GLASS Formula wt 262.223
NaAlSi3O8 : Glass 298.15 to 1200 K,
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900100011001200
CP
209.90210.68246.12270.03286.40298.28307.73316.09324.30333.04342.78
COST
251.90253.20318.98376.65427.42472.50512.96549.70583.42614.74644.12
<Hf-H298 )/T
-1-1
0.001.30
58.3598.45128.49151.94170.84186.52199.89211.59222.11
-<GT-H298 )/T
251.90251.90260.63278.19298.92320.56342.12363.18383.54403.15422.02
AfH°
kJ
-3875.5-3875.5-3878.9-3877.8-3875.5-3872.4-3868.9-3865.0-3871.5-3866.7-3958.1
AfG°
mol"1
-3665.3-3664.0-3593.1-3521.8-3450.8-3380.3-3310.2-3240.6-3170.7-3100.8-3029.0
Log Kf
642 . 14637.95469.21367.91300.41252.23216.13188.07165.61147.24131.84
Melting T
H298~H5
kJ
34.17 kJ
Boiling T
Molar Vol
K
kJ
11.010 J«bar'1 110.10 can3
A* -3.871E+03 B« 7.012E-01 O -3.14E+05
12/9/92
376 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
NEPHELINE Formula wt 142.054
NaAlSiO4 : Orthorhombic(?) crystals 298.15 to 467 K. Hexagonal crystals 467 to 1180 K, Orthorhombic crystals 1180 to 1521 K. Carnegieite is the stable phase of NaAlSi04 between 1521 and 1799 K.
Temp.
K
298.15300400500600700800900100011001200130014001500
Melting T
°P
115.81116.36145.90145.64152.36159.07165.78172.49179.20185.91178.62179.18179.73180.28
sT
124.35125.12161.59196.36223.80247.82269.33288.91306.86324.09341.12355.47368.78381.20
K
kJ
(HT-H298 )/T
J-mol^-K'1
0.000.72
32.3752.5572.6684.5894.14102.13108.99115.51122.21126.58130.36133.66
-<GT-H298 )/T
124.35124.40129.22143.81151.14163.24175.19186.77197.86208.58218.92228.89238.42247.54
FORMATION
AfH°
-2090.4-2090.4-2093.5-2094.7-2091.8-2091.0-2089.9-2088.7-2098.0-2095.7-2188.8-2186.0-2183.4-2180.7
Boiling
FROM THE ELEMENTS
AfG°
-1
-1975.8-1975.0-1936.3-1899.3-1858.0-1819.0-1780.3-1741.6-1702.4-1662.9-1621.3-1574.1-1527.2-1480.4
T
Molar Vol. 5H298"H5
-
kJ
-2.118E+03 "- 4.188E-01
54
Log Kf
346.14343.88252.84198.41161.75135.73116.24101.0888.9278.9670.5763.2556.9851.55
K
kJ
.419 J-bar'1
. 19 cm3
0 1.718E+06
8/7/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 377
CARNEGIEITE Formula wt 142.054
NaAlSi04 : Triclinic crystals 298.15 to 966 K; cubic crystals 966 to melting point 1799 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900100011001200130014001500160017001800
Melting T
p° CP
119.26119.69138.01151.11162.14172.21181.77191.02181.15184.03186.92189.80192.68195.57198.45201.33204.21
1799
eoST
118.70119.44156.58188.84217.39243.15266.77288.71317.40334.80350.94366.01380.18393.57406.29418.40429.99
K
<HT-H°,98 )/T
_1 _1
0.000.74
32.9455.3172.2285.7997.19107.11123.78129.13133.82138.02141.82145.31148.54151.56154.40
-<GT-H°,98 )/T
118.70118.70123.64133.53145.17157.36169.58181.60193.62205.67217.12227.99238.36248.26257.75266.84275.59
A£H°
i.
-2089.3-2089.3-2092.5-2092.2-2091.0-2089.0-2086.4-2083.1-2082.1-2079.6-2173.7-2170.0-2166.2-2162.1-2157.9-2203.7-2198.8
AfG°
i
-1973.0-1972.2-1932.9-1893.0-1853.3-1813.8-1774.7-1735.9-1697.0-1658.6-1618.1-1571.9-1526.0-1480.4-1435.1-1389.6-1341.9
Boiling T
Av, HO
Log Kf
345.65343.39252.41197.76161.34135.35115.87100.7588.6478.7670.4363.1656.9451.5546.8542.7038.94
K
kJAfc.H0 21.7 kJ
Molar Vol. 5.H298"H5 19.45
A= -2.
kJ
122E+03 B- 4.276E-01 0 2.
56.
200E+06
603 J-bar*103 cm3
1/12/94
378 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
NaAlSi04-GLASS Formula wt 142.054
NaAlSiO4 : Glass-liquid 298.15 to glass transition 1000 K.
FORMATION FROM THE ELEMENTS
Temp.
298.153004005006007008009001000
CP
121.03121.47140.22152.09159.90165.10168.50170.60171.73
ST
134.50135.25172.98205.64234.11259.17281.46301.44319.48
(HT-H298 )/T
J-mol^'K'1
0.000.75
33.4656.0972.7885.6295.79103.99110.72
-(GT-H$98 )/T
134.50134.50139.52149.55161.33173.55185.67197.45208.76
AfH°
kJ
-2089.0-2089.0-2092.0-2091.5-2090.3-2088.8-2087.2-2085.7-2094.9
AfG°
.mol""1
-1977.4-1976.7-1939.0-1900.7-1862.7-1824.9-1787.2-1749.8-1711.9
Log Kf
346.42344.17253.20198.56162.16136.17116.69101.5689.42
Melting T
H298~H5
kJ
19.99 kJ
Boiling T
Molar Vol
K
kJ
5.686 J'bar'1 56.86 cm3
A= -2.089E+03 B= 3.771E-01 C= -9.27E+04
9/16/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 379
ANALCIME Formula wt 220.154
NaAlSi2O6 *H2O: Cubic crystals 298.15 to 800 K. Analcime starts to lose H2O above 500 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800
CP ST <HT-H298 )/T
T-.-.~I l_«r 1
-<GT-H298 )/T AfH» AfG°
1. T- 1 1
212.23212.68237.19262.19287.38312.66337.99
227.70229.01293.54349.14399.17445.37488.77
0.001.31
57.2095.69125.54150.47172.32
227.70227.70236.34253.45273.63294.90316.45
Log Kf
-3310.1-3310.1-3313.3-3312.2-3309.3-3304.3-3297.3
-3090.0-3088.6-3014.4-2939.8-2865.5-2792.0-2719.2
541.33537.76393.63307.11249.46208.33177.54
Melting T
H298~H5
K
kJ
35.74 kJ
Boiling T
Molar Vol
K
kJ
9.680 J-bar'1
96.80 cm3
A= -3.306E+03 B» 7.344E-01 C= -2.83E+05
5/12/93
380 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
DEHYDRATED ANALCIME Formula wt 202.139
NaAlSi206 : Cubic crystals 298.15 to 1000 K.
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000
cp
163.05163.85194.89213.59227.43238.99249.32258.94268.12
ST
172.50173.51225.37271.00311.21347.16379.76409 . 68437.44
<HT-H298 )/T
J-mol'^K"1 -
0.001.01
46.0177.77
101.60120.42135.90149.04160.49
-<G*-HS98)/.
172.50172.50179.36193.23209.61226.74243.86260.64276.95
I AfH°
kJT-
-2983.1-2983.1-2986.3-2985.3-2983.2-2980.3-2976.8-2972.8-2978.8
A£6°
mr,l~lUIUX
-2816.0-2815.0-2758.6-2701.8-2645.3-2589.2-2533.5-2478.3-2422.9
Log K£
493.35490.12360.23282.25230.29193.20165.42143.84126.56
Melting T Boiling T
H298~H6
kJ
27.18 kJMolar Vol
K
kJ
J-bar'1 cm3
A= -2.978E+03 B= 5.560E-01 C= -3.36E+05
5/12/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 381
DICKITE Formula wt 258.160
Al2Si2O5 (OH) 2 : Triclinic crystals 298.15 to 900 K
Temp,
K
°P ST
FORMATION FROM THE ELEMENTS
A£H° AfG° Log K£
J-mol"1 -^1 kJ*mol"1
298.15300400500600700800900
239.56240.64287.65317.09334.95344.93349.32349.59
197.10198.59274.77342.38401.91454.38500.78541.97
0.001.48
67.60114.78150.12177.32198.59215.39
197.10197.10207.17227.59251.79277.06302 . 19326.58
-4118.5-4118.6-4120.4-4119.5-4117.2-4114.4-4111.7-4109.5
-3796.0-3794.0-3685.5-3576.8-3468.5-3360.6-3253.1-3145.9
665.04660.58481.26373.66301.95250.76212.40182.58
Melting T Boiling T
kJMolar Vol
H298~H5 kJ
K
kJ
9.856 J-bar1 98.56 cm3
-4.113E+03 B= 1.075E+00 C= -3.31E+05
7/29/92
382 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
KAOLINITE Formula wt 258.160
Al2Si205 (OH) 2 : Triclinic crystals 298.15 to 800 K
FORMATION FROM THE ELEMENTS
Temp.
K
CP s* /tIO_tlQ \ /m _/^»O_uQ \ / !»(HT-H29Q)/T -(GT-H29g)/T A £H° A £6°
kJ-mol'1
Log Kf
298.15300400500600700800
243.37244.40289.53317.00333.50344.03351.92
200.40201.91278.90346.72406.10458.35504.82
0.001.50
68.31115.53150.60177.53198.85
200.40200.40210.59231.19255.50280.82305.97
-4119.0-4119.1-4120.6-4119.6-4117.3-4114.5-4111.6
-3797.5-3795.5-3687.3-3579.1-3471.1-3363.7-3256.6
665.29660.84481.50373.89302.18251.00212.63
Melting T Boiling T K
kJA..H0
H298"H5
kJ
35.75 kJMolar Vol. 9.934 J'bar'1
99.34 cm3
A= -4.115E+03 B= 1.074E+00 C= -2.43E+05
7/29/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 383
PYROPHYLLITE Formula wt 360.314
Al2Si4010 (OH) 2 : Monoclinic crystals 298.15 to 800 K
Temp.
K
Sf
FORMATION FROM THE ELEMENTS
<Gf-H§98 )/T AfH° AfG« Log Kf
J-mol'^K""1 kJ*mol-1
298.15300400500600700800
293.76295.04349.70386.14412.51432.69448.83
239.40241.22334.18416.37489.22554.39613.25
0.001.82
82.47139.78183.14217.41245.36
239.40239.41251.71276.59306.08336.98367.89
-5640.0-5640.1-5641.8-5640.6-5637.5-5633.1-5628.0
-5266.1-5263.8-5138.0-5012.1-4886.7-4761.9-4637.8
922.58916.49670.94523.60425.42355.33302.81
Melting T
H298"H5
K
kJ
42.70 kJ
Boiling T
Molar Vol
K
kJ
12.81 J-bar'1 128.1 cm3
A= -5.634E+03 B= 1.246E+00 O -3.54E+05
7/29/92
384 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MARGARITE Formula wt 398.184
CaAl2 [Al2Si2 ]010 (OH) 2 : Monoclinic crystals 298.15 to 1200 K
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
100011001200
CP
323.41324.82384.97424.42452.21472.69488.23500.23509.60516.96522.74
ST
263.60265.60367.96458.38538.35609.68673.86732.08785.29834.22879.46
» ***p *** 5 Q ft / /
w*moX *K *
0.002.00
90.81153.83201.37238.74269.00294.05315.16333.18348.75
-<GT-H298 )/T
263.60263.61277.15304.55336.98370.94404.86438.03470.14501.04530.71
A£H°
kJ
-6244.0-6244.1-6245.9-6244.5-6241.1-6236.7-6232.8-6228.0-6265.9-6260.8-6263.4
AfG°
mol"1
-5858.9-5856.5-5726.9-5597.2-5468.1-5339.6-5211.6-5084.3-4954.5-4823.6-4692.5
Log Kf
1026.431019.68747.84584.73476.03398.44340.28295.08258.79229.05204.26
Melting T
H298~H8
kJ
48.14 kJ
Boiling T K
A^0 kJ
Molar Vol. 12.963 J-bar"1 129.63 cm3
A- -6.243E+03 B= 1.291E+00 C= 6.216B+02
7/29/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 385
PREHNITE Formula wt 412.384
Ca2Al[AlSi3010 ](OH) 2 : Orthorhombic crystals 298.15 to 1200 K
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800900
100011001200
°p
331.12332.41389.19427.23453.51471.95484.90493.85499.76503.31505.00
ST
292.80294.85398.83490.03570.39641.76705.68763.34815.71863.52907.40
<H*-HJ98 ,/T
,-!--!
0.002.05
92.23155.67203.25240.39270.20294.58314.83331.82346.19
-<GT-H298 )/T
292.80292.81306.60334.36367.14401.37435.48468.76500.88531.71561.21
AfH°
kJ
-6202.6-6202.7-6203.7-6201.7-6198.0-6193.4-6190.4-6185.9-6203.2-6199.7-6212.4
AfG°
mol'1
-5824.7-5822.3-5695.3-5568.3-5442.0-5316.4-5191.2-5066.5-4940.9-4814.8-4687.7
Log Kf
1020.431013.73743.71581.71473.76396.70338.94294.05258.08228.63204.05
Melting T
H298~H8
kJ
50.66 kJ
Boiling T
Molar Vol
K
kJ
14.110 J'bar'1 141.10 can3
A* -6.194E+03 B« 1.255E+00 O -3.99E+05
5/14/92
386 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
MUSCOVITE (Al/Si disordered) Formula wt 398.308
KAl2 [AlSi3010 ](OH) 2 : Crystals 298.15 to 1000 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.153004005006007008009001000
CP
325.99327.30385.47425.61454.37475.51491.31503.20512.13
ST
306.40308.42411.09501.68581.96653.67718.24776.83830.33
(HT-H298 )/T
J-mol"1 -K~1 -
0.002.01
91.08154.21201.96239.61270.13295.40316.64
-(GT-H2*98 )/T
306.40306.41320.01347.47379.99414.06448.11481.43513.69
A£H°
1»T
-5974.8-5974.9-5979.1-5977.5-5973.8-5968.6-5962.6-5956.4-5981.9
AfG°
mol"1
-5598.8-5596.4-5469.5-5342.2-5215.4-5089.5-4964.2-4839.8-4713.9
Log Kf
980.86974.40714.22558.08454.03379.77324.12280.89246.22
Melting T
H598"H8
kJ
49.41 kJ
Boiling T
Molar Vol
K
kJ
14.081 J-bar'1 140.81 cm3
A* -5.966E+03 B= 1.253E+00 -5.87E+05
7/15/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 387
MUSCOVITE (Al/Si ordered) Formula wt 398.308
KAl2 [AlSi3010 ](OH) 2 : Monoclinic crystals 298.15 to 1000 K.
FORMATION FROM THE ELEMENTS
Temp.
298.153004005006007008009001000
CP
325.99327.30385.47425.61454.37475.51491.31503.20512.13
ST
287.70289.72392.39482.98563.26634.97699.54758.13811.63
J-mol'^K"1 -
0.002.01
91.08154.21201.96239.61270.13295.40316.64
-(GT-H298 )/T
287.70287.71301.31328.77361.29395.36429.41462.73494.99
A£H°
I»T . _>
-5990.0-5990.1-5994.3-5992.7-5989.0-5983.8-5977.8-5971.6-5997.1
AfG°
-5608.4-5606.0-5477.2-5348.0-5219.4-5091.6-4964.5-4838.2-4710.4
Log Kf
982.55976.07715.23558.69454.38379.93324.14280.79246.04
Melting T Boiling T K
kJ
H2*98~H8
kJ
49.41 kJMolar Vol. 14.081 J'bar'1
140.81 cm3
A* -5.981E+03 B« 1.271E+00 O -5.87E+05
3/5/93
388 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
ANNITE Formula wt 511.886
KFe3 [AlSi3010 ](OH) 2 : Crystals 298.15 to 1000 K
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
1000
CP
390.32391.81452.51491.34520.03543.12562.76580.11595.84
ST
415.00417.42539.23644.64736.87818.82892.65959.961021.90
(H$-H598 ,/T
_1 «1
0.002.41
108.03181.04235.25277.63312.07340.91365.63
-<G*-HJ98 ,/-
415.00415.01431.20463.60501.62541.19580.58619.05656.28
r AfH°
k,
-5149.3-5149.3-5149.7-5144.8-5138.3-5130.7-5122.7-5114.9-5119.0
AfG°
J-mol"1
-4798.3-4796.1-4678.2-4560.7-4444.5-4329.5-4215.6-4102.6-3989.8
Log Kf
840.62835.06610.89476.45386.92323.06275.24238.10208.40
Melting T
H298"H8
kJ
kJ
Boiling T
Molar Vol
K
kJ
15.43 J-bar*1 154.3 cm3
A* -5.122E+03 B« 1.135E+00 O -1.31E+06
7/29/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 389
PHLOGOPITE (Al/Si Disordered) Formula wt 417.260
KMg3 [AlSi3010 ](OH) 2 : Crystals 298.15 to 1000 K
Temp.
K
CP ST -<GT-H298 )/T
J-mol"1^"1
FORMATION FROM THE ELEMENTS
AfG° Log Kf
kJ*mol'
A£H°
'1
298.15300400500600700800900
1000
354.65355.97412.17448.48473.45491.23504.13513.53520.33
334.60336.80447.54543.69627.79702.19768.67828.62883.10
0.002.19
98.22164.88214.35252.70283.37308.45329.31
334.60334.61349.32378.80413.44449.48485.30520.17553.78
-6226.0-6226.1-6230.1-6228.8-6225.8-6221.8-6217.4-6213.1-6245.5
-5846.0-5843.7-5715.4-5586.8-5458.7-5331.2-5204.2-5077.8-4949.0
1024.181017.45746.74583.64475.21397.81339.79294.70258.50
Melting T
H2*98~
kJ
54.08 kJ
Boiling T K
A^pH0 kJ
Molar Vol. 14.965 J'bar'1 149.65 cm3
A= -6.222E+03 B« 1.273E+00 O -3.45E+05
7/29/92
390 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
PHLOGOPITB (Al/Si ordered) Formula wt 417.260
KMg3 [AlSi3010 ](OH) 2 : Monoclinic crystals 298.15 to 1000 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.153004005006007008009001000
CP
354.65355.97412.17448.48473.45491.23504.13513.53520.33
ST
315.90318.10428.84524.99609.09683.49749.97809.92814.40
(Hf-H298 )/T
J-mol"1-^1 -
0.002.19
98.22164.88214.35252.70283.37308.45329.31
-(GT-H298 )/T
315.90315.91330.62360.10394.74430.78466.60501.47535.08
AfH°
1> T
6246.0-6246.1-6250.1-6248.8-6245.8-6241.8-6237.4-6233.1-6265.5
AfG°
mol'1
-5860.5-5858.1-5727.9-5597.5-5467.5-5338.1-5209.2-5081.0-4950.3
Log Kf
1026.711019.96747.97584.75475.97398.32340.12294.89258.57
Melting T
H298~H8
K
kJ
kJ
Boiling T
Molar Vol
K
kJ
14.962 J'bar'1 149.62 cm3
A* -6.242E+03 B= 1.291E+00 O -3.45E+05
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 391
FLUORPHLOGOPITE (Al/Si disordered) Formula wt 421.242
KMg3 [AlSi3O10 ]F2 : Crystals 298.15 to 1700 K. Approximate melting point 1670 K,
FORMATION FROM THE ELEMENTS
Temp.
298.15300400500600700800900
10001100120013001400150016001700
Melting T
Aft^H0
CP
342.42343.70392.83420.87439.96454.48466.38476.62485.76494.13501.92509.29516.32523.09529.64536.01
ST
336.30338.42444.81535.72614.23683.18744.67800.21850.90897.60940.93981.401019.401055.261089.231121.53
1670 K
kJ
(HT-H298 )/T
J-mol"1 -*"1
0.002.12
94.33157.05202.69237.66265.53288.43307.71324.28338.77351.60363.12373.56383.11391.92
-(GT-H£98 )/T AfH° A£6°
336.30336.31350.48378.67411.54445.52479.14511.78543.19573.32602.17629.80656.28681.70706.12729.61
-6355.5-6355.5-6358.5-6356.9-6354.4-6351.3-6347.9-6344.6-6377.8-6453.5-6448.8-6443.7-6820.5-6810.5-6800.2-6940.0
-1
-6015.7-6013.6-5899.0-5784.3-5670.0-5556.2-5442.8-5329.8-5214.4-5093.6-4970.2-4847.1-4715.2-4565.1-4415.6-4265.5
Boiling T
A^H°
Molar Vol. 14.H2*98~H8
A
kJ
= -6.476E+03 B= 1.272E+00 c-
146.
8.177E+06
Log Kf
1053.901047.04770.31604.26493.60414.60355.37309.33272.37241.87216.34194.76175.92158.97144.15131.06
K
kJ
652 J-bar'152 cm3
01/14/93
392 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
FLUORPHLOGOPITE (Al/Si ordered) Formula wt 421.242
KMg3 [AlSi3O10 ]F2 : Crystals 298.15 to 1700 K. Approximate melting point 1670 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.1530040050060070080090010001100120013001400150016001700
Melting T
A^H0
CP
342.42343.70392.83420.87439.96454.48466.38476.62485.76494.13501.92509.29516.32523.09529.64536.01
SJ
336.30338.42444.81535.72614.23683.18744.67800.21850.90897.60940.93981.401019.401055.261089.231121.53
(Hf-H298 )/T
_ i-l. K-l
0.002.1294.33
157.05202.69237.66265.53288.43307.71324.28338.77351.60363.12373.56383.11391.92
-<G*-H598 )/-
336.30336.31350.48378.67411.54445.52479.14511.78543.19573.32602.17629.80656.28681.70706.12729.61
1670 K
kJ
T AfH°
lr
-6375.5-6375.5-6378.5-6376.9-6374.4-6371.3-6367.9-6364.6-6397.8-6473.5-6468.8-6463.7-6840.5-6830.5-6820.2-6960.0
AfG°
J- 1~1
-6030.1-6028.0-5911.5-5794.9-5678.7-5563.1-5447.8-5333.0-5215.7-5093.0-4967.7-4842.8-4709.0-4557.0-4405.7-4253.7
Boiling T
A-p"0
Molar Vol. 14.H298~H8
A=
kJ
-6.496E+03 B- 1.2 9 IE +00 O 8
146.
.177E+06
Log Kf
1056.431049.54771.95605.38494.37415.11355.70309.51272.43241.84216.23194.58175.69158.69143.83130.70
K
kJ
652 J-bar'152 cm3
01/14/93
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INfDIVIDUAL PHASES 393
TALC Formula wt 379.266
Mg3Si4O10 (OH) 2 : Monoclinic crystals 298.15 to 800 K,
FORMATION FROM THE ELEMENTS
Temp.
K
°P s* /UO_UO \ /fn _//^O_tiO \ /m\**T **298 ' l**T "298 '
- J-mol"1^'1
A£H°
kJ-mol"1
Af6° Log Kf
298.15300400500600700800
321.77323.23386.65420.68444.28475.19525.90
260.80262.79365.29455.61534.40605.03671.51
0.001.99
90.94153.83200.28237.17269.84
260.80260.81274.35301.78334.12367.85401.68
-5900.0-5900.1-5901.1-5899.0-5895.5-5890.5-5882.6
-5520.1-5517.8-5390.1-5262.5-5135.5-5009.3-4883.9
967.08960.71703.85549.76447.08373.79318.88
Melting T
H298~H8
kJ
46.88 kJ
Boiling T
Molar Vol
K
kJ
13.625 J'bar'1 136.25 cm3
A* -5.890B+03 B« 1.260E+00 O -4.84E+05
7/29/92
394 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
CHRYSOTILE (Antigorite) Formula wt 277.112
Mg3Si2O5(OH) 4 : Monoclinic crystals 298.15 to 900 K.
Temp,
K
-<GT-H298 )/T
FORMATION FROM THE ELEMENTS
AfG° Log 1AfH°
J-mol"1 ^'1 kJ<
298.15300400500600700800900
274.05275.12323.31356.40379.00394.31404.36410.50
221.30223.00309.17385.10452.21511.86565.22613.23
0.001.69
76.44129.33169.18200.32225.24245.52
221.30221.31232.73255.77283.03311.54339.97367.71
-4360.0-4360.1-4361.0-4359.1-4355.4-4350.8-4345.7-4340.7
-4032.4-4030.3-3920.2-3810.1-3700.7-3591.9-3483.8-3376.4
706.44701.73511.91398.03322.16268.03227.47195.96
Melting T Boiling T
kJMolar Vol
H298~H5 kJ
K
kJ
10.75 J-bar'1 107.5 cm3
A= -4.348E+03 B* 1.08IE+00 O -6.03E+05
5/14/92
THERMODYNAMIC PROPERTIES AT HIGH TEMPERATURE OF INDIVIDUAL PHASES 395
PARAGONITE (Al/Si disordered) Formula wt 382.200
NaAl2 [AlSi3010 ](OH) 2 : Monoclinic crystals 298.15 to 800 K,
Temp,
K
CP ST
FORMATION FROM THE ELEMENTS
AfG° Log K£A£H°
J-mol"1^"1 kJ*mol"1
298.15300400500600700800
321.50322.86380.52419.03447.59470.21488.92
288.80290.79392.22481.51560.55631.30695.35
0.001.99
89.98152.15199.12236.29266.73
288.80288.81302.24329.36361.43395.02428.62
-5933.0-5933.1-5937.9-5936.9-5933.8-5929.2-5923.5
-5555.7-5553.3-5426.1-5298.2-5170.7-5043.9-4917.8
973.31966.90708.56553.49450.14376.37321.09
Melting T
H298~H6
K
kJ
48.12 kJ
A* -5.931E+03 B- 1.268E+00
Boiling T K
A^° kJ
Molar Vol. 13.211 J-bar'1 132.11 cm3
C- -2.33E+05
5/14/92
396 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
PARAGONITB (Al/Si ordered) Formula wt 382.200
NaAl2 [AlSi3010 ](OH) 2 : Monoclinic crystals 298.15 to 800 K.
FORMATION FROM THE ELEMENTS
Temp.
K
298.15300400500600700800
CP
321.50322.87380.52419.04447.60470.21488.92
Sf
277.10279.09380.52469.81548.85619.61683.65
<HT-H298 )/T
J-rool"1^"1 -
0.001.99
89.98152.16199.12236.29266.73
-(GT-H298 )/T
277.10277.11290.54317.66349.73383.32416.92
A£H°
kJ
-5949.3-5949.4-5954.2-5953.2-5950.1-5945.5-5939.8
AfG°
mol'1
-5568.5-5566.1-5437.7-5308.7-5180.0-5052.0-4924.8
Log Kf
975.55969.12710.08554.58450.95376.98321.55
Melting T
kJ
48.12 kJ
Boiling T
Molar Vol
K
kJ
13.211 J-bar'1 132.11 cm3
A- -5.947E+03 B- 1.279E+00 C- -2.34E+05
12/9/92
REFERENCES CITED 397
REFERENCES CITED
1. Ad a mi, L. H., and Conway, K. C., 1966, Heats and free energies of formation of anhydrous carbonates
of barium, strontium, and lead: U.S. Bur. Mines Rept. Inv. 6822, 7 p.
2. Adami, L. H., and Kelley, K. K., 1963, Heats of formation of two crystalline hydrates of ferrous sulfate:
U. S. Bur. Mines Rept. Inv. 6260, 7 p.
3. Adami, L. H., and King, E. G., 1964, Heats and free energies of formation of sulfides of manganese,
iron, zinc, and cadmium: U.S. Bur. Mines Rept. Inv. 6495, 10 p.
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441. Westrum, E. F., Jr., and Gronvold, F., 1970, Manganese disulfide (hauerite) and manganese ditelluride.
Thermal properties from 5 to 350° Kand antiferromagnetic transitions: Jour. Phys. Chem., v. 52,
p. 3820-3826.
442. Westrum, E. F., Jr., Stolen, S., and Gronvold, F., 1987, Thermodynamics of copper sulfides II. Heat
capacity and thermodynamic properties of synthetic covellite, CuS, from 5 to 780.5 K. Enthalpy
of decomposition: Jour. Chem. Thermodynamics, v. 19, p. 1199-1208.
443. White, G. K., and Collocott, S. J., 1984, Heat capacity of reference materials: Cu and W: Jour. Phys.
Chem. Ref. Data, v. 13, p. 1251-1257.
444. Wise, S. S., Margrave, J. L, Feder, H. M., and Hubbard, W. N., 1963, Fluorine bomb calorimetry. V.
The heats of formation of silicon tetrafluoride and silica: Jour. Phys. Chemistry, v. 67, p. 815-821.
445. Woodland, A. B., and Wood, B. J., 1989, Electrochemical measurement of the free energy of almandine
(Fe3AI2Si30 12) garnet: Geochem. Cosmochim. Acta, v. 53, p. 2277-2282.
452 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
446. Wruck, B., 1987,Thermodynamic behavior of the PI ,n pnase transition in anorthite(abs): Programme
Physical Properties and Thermodynamic Behavior of Minerals (NATO), Cambridge.
447. Yakovlev, B. G., and Vozianova, 0. V., 1983, Thermodynamical properties of almandine: Geokimiia,
n. 1, p. 64-75.
448. Zhdanov, V. M., Turdakin, V. A., Arutyunov, V. S., Semenov, Yu. V., Malinko, S. V., and Kodakovsky,
I. L., 1977, Low-temperature specific heat, standard entropy, and elastic parameters of datolite and
danburyite: Geochemistry International, 14(6), p. 135-141.
449. Zhogin, D. Yu., Kosarukina, E. A., and Kolesov, V. P., 1980, Heat capacity in the 10-300 K range and
thermodynamic functions of tetragonal tin dioxide: Zhur. Fiz. Khimii, v. 54(4), p. 916-920.
450. Heat capacity of hercynite estimated as CP(FeAI204) = £ CP(FeO) + CP(AI203 ) by Robie. Entropy of
MnS04 and other values estimated by Robie.
451. Enthalpies of solution of members of the nepheline-kalsilite series were reported by Hovis and Roux
(Hovis, G.L. and Roux, J., 1993, Thermodynamic mixing properties of nepheline-kalsilite crystalline
solutions: Am. Jour. Sci., v. 293, p. 1108-1127.). Using enthalpy of solution values calculated
from their equations 4 and 5, ancillary data from (166, tables 1-4), and unpublished enthalpy
of solution data for KCI from Hemingway (AH(soln) = 6.045 -0.0189t(°O), we calculate AfH =
-2090.4 ± 2.5 and-2124.7 ± 2.5 kJ *mor1 , respectively, for nepheline and kaisilite. These results
are in good agreement with values given in (361) of -2092.1 ± 2.4 and-2121.9 ± 1.4kJ*mol'1 ,
respectively, but based on less pure samples (20, 171). These results are significantly less
negative than the formation properties calculated by (188) from a limited number of phase
equilibrium experiments. The calorimetrically determined value of -3037.8 ± 2.8 kJ*mol*1 for
leucite (171, 20) is preferred to that derived by (188) from a limited number of phase equilibrium
data (-3020.0 ± 2.7 kJ-mor1 ).
REFERENCES CITED 453
452. Heat capacity measurements on a synthetic alunite are combined with earlier results by Kelley et al.
(219) to estimate the entropy at 298.15 K. The reaction scheme used by Kelley et al. (219) is
recalculated using modern values for the enthalpy of formation of the reference phases. See,
Hemingway, B.S. and Robie, R.A., 1994, Heat capacity and enthalpy of formation of synthetic
alunite: U.S. Geological Survey Open-file Report 94-688, 8 p.
453. High temperature heat capacities are derived from 244, 299, 402.
454. The Gibbs energy of livingstonite at 298.15 K is estimated from the study of (Sorokin, V.I., Dadze, T.P.,
and Pokronskiy, V.A., 1988, The Gibbs free energy of formation of livingstonite: Geokhimiya, No.
6, 897-900).
454 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
INDEX OF NAMES
Acanthite (argentite)AcmiteAkermaniteAlabanditeAIbiteAlmandineAltaiteAluminumAluminum ionAluminum sulfateAluniteAmmoniaAmmonia-niterAmmonium ionAnaIbiteAnalcimeAnataseAndalusiteAndraditeAnglesiteAnhydriteAniliteAnni teAnorthiteAnthophylliteAntimonyAragoniteArcaniteArsenicArsenoliteArsenopyriteArtiniteAzurite
BaddeleyiteBariteBariumBarium ionBarium monoxideBer UniteBerndtiteBerthieriteBertranditeBerylliumBerylBianchiteBicarbonate ionBicchuliteBi smiteBismuthBismuthiniteBixbyiteBoehmi teBoraxBoric oxideBorniteBoronBrauniteBredigiteBrochantiteBromargyriteBromelliteBromide ionBromineBromine (ideal gas)BruciteBunsenite
page
11 4535 6232 5912 4637 6333 6013 615 415
28 5628 5610 4426102 37
37 6419 5031 5832 5929 5728 561139 652 36
35 629 43
25 5528 565 41
15142525
page
122 148357321135 16137333330868
283290121280
64 374379223305319297285
38863 36236010626728869
202855
15301314315
31291536155
111715291611517322823155551718
5056
47574646584158
634741
4947
45414959
5347
41414849
22828472
17729914214631273
311
36417974
201175
17612971
203
245178
754198207
168172
155
Ca-AlCaAUSiOCaAUCaFeS
pyroxene glass glass
? glassCaMgSioi glass CaSiOj glass
Cadmum Cadmium ion Calcio-olivine Calcite Calcium
Calcium ferriteCalcium ionCalcium nitrateCalomelCarbon dioxideCarbon monoxideCarbonate ionCarbonic acid (aqueous)Carnegie jteCassiteriteCattierriteCelestiteCerianiteCeriumCerussiteCesiumCesium ionChalcanthiteChalcociteChalcocyaniteCha I copy riteChalcostibiteChioliteChlorargyriteChloride ionChlorineChloromagnesiteChromiteChromiumChrysoberylChrysotile (Antigorite)CinnabarClaudetiteClausthaliteClinochloreClinoenstatiteClinoptiloliteCobaltCobalt monoxideCobalt-oli vineCocci niteCoesiteCoheniteCooper iteCopperCopper ionCordieriteCorundumCotumiteCovelliteCristobaliteCryoliteCuban iteCupric ionCupriteCuprous ion
3434363434343166
32256
61 3456163 3636161 34861 3445841 79
59 32555 26841 78
216
262315151515371911291662666
2811281114242366
23216
2139121513403436616322419101366
331523111924126166
51
55
4747
645045
4741
455645465453
415351415165
61
414759
5044
42
604753455054
48
230
277
181180
377219125
18480
84
127286128147263247
8125323483229394
353
82185331
216120
85
334174257126215262
189
151
153
154173
152
INDEX OF NAMES 455
page
Danburite 36 63Datolite 32 59 317Dawsonite 26 55 273Dehydrated analeime 38 64 380Dehydrated mordenite 33Diamond 5 41 77Diaspore 15 47Diboron trioxide 15 47 176Dicalcium ferrite 21 51 231Dicesium monoxide 16Dickite 39 65 381Digenite 11Dilithium monoxide 17 48196Diopside 34 61 347Dipotassium monoxide 17 48 195Disodium monoxide 18 49 206Dititanium trioxide 19Djurleite 11Dolomite 25 55 269Dumortierite 31 58 308
Edingtonite 36 63Enargite 14Enstatite 34 61 352Epidote 31 58Epsomite 29Eskolaite 16 48 187Euclase 31 58 309Eucryptite 37 63 371
FayaliteFerberiteFerric ionFerric sulfateFerrobustamiteFerroseliteFerrosiliteFerrous ionFerrous oxideFluorapatiteFluoride ionFluorineFluoriteFluor-pargasiteFluorphlogopite (Al/Si disordered) 39Fluorphlogopite (Al/Si ordered)ForsteriteFrankliniteFrohbergite 12
page
32307
283412347163066
243539393322
60
5661
61
4857
4254
65656052
332
287
349
191301
86258
391392335243
GalenaGaspeiteGehleniteGeikieliteGermaniumGibbsiteGlaucophaneGoethiteGoldGoslariteGraphiteGreenockiteGrossularGruneriteGypsum
Hafnium dioxideHaliteHalloysiteHaturiteHaueriteHausmanni te
13 46 139 1652631 58 31421 51 2407 42 88
15 4735 62 361165 41 70295 41 76
11 45 124 1502 31 58 316
35 62 35928
172339321317
53 2556559 326
49 202
HeazlewooditeHedenbergiteHematiteHercyniteHerzenbergiteHetaeroliteHeulanditeHexagonal anorthiteHuebneriteHuntiteHydrogenHydrogen chlorideHydrogen fluorideHydrogen ionHydrogen sulfideHydrogen sulfide ionHydromagnesiteHydrophiliteHydroxide ionHydroxyapatiteHypersthene
IkaiteIlliteIlmeniteIlvaitelodargyriteIodide ionIodineIodine (ideal gas)IronIron ionIron tennantiteIron tetrahedrite
Jadeite
K-Al sulfateKAISUO. glassKaliophTUite (Kalsilite)KaoliniteKarelianiteKyani te
LangbeiniteLarnite (bredigite)LaumontiteLawrenciteLawsoniteLeadLead ionLeonharditeLeuciteLiebenbergiteLimeLirmaeiteLithargeLithiumLithium ionLivingstoniteLoellingite
Nagnes ioch romi teMagnesioferriteMagnesiteMagnesiumMagnesium ionMagnesium nitrateMagnesium sulfateMagnetiteMalachiteManganese
133416211322363630257
2324712122523163035
2539213224777271414
35
283737391931
28313623318836373315111877
1412
21212588262816258
4661485146
425354
46
53
5762
65515954
42
7
62
566363655058
5658
535843
636047
49
51515542
555648
42
138346192233141
89251259
134
248
302
235318264
91
87
356
289368369382225304
291324
249313102
370339182
20893
23823927194
279292193
95
164
167
160
456 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
page page
Manganese ionManganese sulfateManganositeMarcasiteMargariteMarsh iteMascagniteMassicotMat i Id iteMeionite (Al-Si ordered)MelanteriteMercuric ionMercurous ionMercuryMer lino iteMerwiniteMesoliteMetacinnabarMethaneMgSiO, glassMgSio|-IlmeniteMgSiOj-PerovskiteMgjA^SijO^p glass(Mg. cCa. c)AUSi,Oi:) glasslsi*°" 9lassMicroclineMilleriteMiniumMirabiliteMolybdeniteMolybdenumMolybditeMolysiteMonohydrocalci teMonteponiteMont i eel I iteMontroyditeMordeniteMorenositeMull iteMuscovite (Al/Si disordered)Muscovite (Al/Si ordered)
NaAlSiO, glassglassglass
Na ?5~K 75 feldspar Na 55-K 45 feldspar Na* fic-K'ic feldspar Naficolite Nantokite Nat ro I iteNepheline-Na 7«K ?9AlSiO/ Nepheline ' n ~ Z^ 4 NesguehoniteNH,*NickelNickelous chlorideNickelous ionNickelous sulfateNiningeriteNi ?SiO/ -spinelNiferNitrate ionNitrobariteNitrogenNitrogen dioxideNukundami te
Oldhamite Orpiment
829171239242919143628777
3832381210343535333333143613182913817232516321738293122
564845655456
63
42
59
446162
606060
634649
46424953
59
583939
293199133384265294
365
90
322
119
354
337
366137210
13696
204250
320
3076565
159
163
162
386387
373537373737262338323725108
238
29123326172681712
1111
64 3786264 375
6464 376
43 9953 256
56 289
60 340278
55 27642 9749 205
OsumiliteOtaviteOxygen
Paragonite (Al/Si disordered)Paragonite (Al/Si ordered)Pargasite (Al/Si ordered)PentlanditePericlasePerovskitePetalitePhenakitePhillipsitePhlogopite (Al/Si disordered)Phlogopite (Al/Si ordered)Phosphate ionPhosphorusPhosphorus pentoxidePlatinumPlattneritePolIncitePortlanditePotassiumPotassium aluminum sulfatePotassium bromidePotassium hydroxidePotassium ionRowel IitePrehniteProustitePseudobrookitePseudotrallastonitePyrargyritePyritePyrolusitePyropePyrope-grossularPyrophanitePyrophylIi tePyroxmangitePyrrhotite
Quartz
RankiniteRealgarRetgersiteRhodochrositeRhodoniteRiebeckiteRosenhahniteRutile
SalammoniacSanidineSanmartiniteSapphirineScacchiteScheeliteScoleeiteSeleniumSellaiteSideriteSilica glassSilicaliteSilicic acid (aqueous)SiliconSilicon monoxideSillimaniteSilverSilver ionSmithite
33258
404035131721373138221881881836167
2823177
3039142134141217333321393512
60
42
6666
48516358
3939
43
43496347425653
65
5161
454860605165
45
100
395396
197232372310
6565
101
103209
18392
289246
385
343
132200336
241383
131
389390
158
157
18 49 214
3211292635353219
232
30332330369
242519199918315514
59 32745 123 149
55 27262 3556259 32850 222
5337 63 367
53 254
43 10754 26055 27050 218
1943 10849 21358 30641 67
INDEX OF NAMES 457
page page
SmithsoniteSoda-niterSodiumSodium carbonateSodium hydroxideSodium ionSphaleriteSpinela-spodumenep-spodumeneSpurriteStauroliteSteamStibniteStilbiteStishoviteStolziteStrengiteStrontianiteStrontiumStrontium ionStrontium monoxideStrontium nitrateSulfate ionSulfide ionSulfite ionSulfurSulfur (monoclinic)Sulfur (ideal gas)Sulfur dioxideSulfur trioxideSulfuric acidSylviteSzomolnokite
TalcTelluriteTelluriumTellurobismuthiteTenoriteTephroiteThenarditeThermonatriteThorianiteThoriumTialiteTilleyiteTinTitanite (sphene)TitaniumTopazTremoliteTrevoriteTricobalt tetraoxideTridymiteTroiliteTronaTungstenTungsten dioxideTungsteni teTungsten trioxide
UlvospinelUraniniteUranium
ValentiniteVanadiumVateriteVilliaumiteViolarite
262782618813213434323317133619303026991927189183931818282328
39199
1116332926199
21329329
313521161912269201320
21199
189
252413
555542
4651616159604846
50
5543
5055
8
94949
53
65
43
486056555043515943594358625247
45
445046
515043
44
54
27528198
144237350351329
194140
217
274110
220282
43
43211212
252
393
111
188338295
221112
330109323113303358242186
130
116226143
236224114
115
261
170
166
104
105
156
169
UairakiteWaterUegscheideriteUhitlockiteUillemiteWitheriteWollastoniteWulfeniteWurtziteWustite
ZincZinc ionZinc tennantiteZinc tetrahedriteZinc titanium spinelZinciteZinkositeZirconZirconiumZoisite
36162630332534301316
10101414222029331031
57 3006055 26661 342
46 145 17148 190
44 117
52 24450 22757 29860 34144 11858 315
458 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
INDEX OF FORMULAS
AgAg+AgAsS2p-AgBiS2AgBrAgC IAglo-AgSbS2Ag2SAg3AsS3Ag3sbs3
M3+
Al(OH)3 AIO(OH) AIP04A12°3 A12(S04 )3Al2Si04F2 Al 2Si05
Al2Si 4010(OH)2
Al6Si 2013Al 6.75 C] 0.25BSi 3°17.25 (OH)0.75 AsAsSAS2°3 AS2S3Au
BB2°3
BaBa2+
BaAl 2Si 301Q -3H20BaCOjBa(N03 )2BaOBaS04BeBeAlSi04(OH)BeAl 204BeOBe2Si04
Be4Si 207(OH)2 BiBi 2°3 Bi 2S3Bi 2Te3 BrBr2
C CH,
page
5514142323241411141455
15153015283131
39392131315
1115115
5
1555
36252615285
312115
3131315
15111155
510
41
535354
45
41
47475747565858
656551585841
67
245247264
122
68
299174283303304
381383
30730869
148
305306382
45 123 149
41
41
4772
635555475641585147
5858584147
41
4144
70
71
176
26627617728473
309229178
31031131274179
75
76119
77
page
COC02COj2"
Ca0.59Sr0.18Ba0.06Na0.38~K0.13Al2.16Si 6.84°18' 6H2°
Ca, Ca2+
CaAl2 [Al2Si 2010](OH)2 CaAl 2Si06CaAl2 [Si 207<OH)2]-H20 CaAl2Si 208 CaAl2Si 301Q -3H20 CaAl 2Si 4012 -2H20 CaAl2Si4012 -4H20 CaB(Si04)(OH) CaB2Si 208 CaCOj
CaCl CaF
CaFe204CaFe3(Si 207)0(OH)CaMg(C03 )2CaMgSi04CaHgSi 206
CaHo04CaOCa(OH)2CaSCaS04CaS04 -2H20CaSiOj
CaTi&jCaTiSi05CaW04Ca1.02Na0.14K .01 (Al2.18Si 6.82°18)l
Ca2Al2Si06(OH)2
C82FC2°5
o-Ca2Si04 (J-Ca2Si04 Y-Ca2Si04
Ca3Mg(Si04 )2Ca3(P04 )2Ca3Si05
151515
3666
39343136363636323625252523243421322532342530151611282834
213230
363931363131362132353131322
32323032
4747
41
65615863
596355
5354615159555961
4747
56
61
5159
6558635858
5159625858593159595759
180181
78
384345313362
317
267
248258346230318269320347
182183
285
342
232323
385
364314315
23132135832432432558
319322300326
363
268
348
343344
316
INDEX OF FORMULAS 459
page page
Ca3Si 207Ca3Si 308(OH)2Ca4Al6Si6024C03Ca5 (P04 )3FCa5 (P04 )3OH
CdCd2*
CdCOjCdOCdSCeCe02Cl'
ci 2Co CoO
C°3°4C°3S4 CrCP2°3(Cs 65Na 19Rb 03>AI 2S1"4°12' H2°Cs "Cs+
Cs20CuCu+CU2+
CuC I CuFeSo
CulCuOCuSCuSbS2CUSO,CuSOCu Cu Cu
4 -5H201.75s '1.80s
1.95 JCu2(C03 )(OH) 2Cu20Cu2S
Cu3(OH)2(C03 )2 CU4 (S04 )(OH) 6
Cu10Fe2Sb4S13 Cu10Zn2As4S13Cu
F"
FL FeFe
10Zn2Sb4S13
.875J
.90s"^.947°
3232363030323266
2516116166661611321611616366616666
2311122416111428281111112516111425281114141414
66121216
5959635757595941
454147
414147455947
414863
42
45
5448454656
4845
45
42454548
32732836530130232933079
12480184
8182185125331186
83187
84
85
128
265188126147286
189127
129
86131
190
150
151
154
152173
153
155
157
Fe FeAl204FeAs1.08s0.92 FeAs2FeCOjFeC 1 2FeCljFeCr204FeOFeO(OH)Fe(P04)-2H20FeSFeS04 -H20FeS04 -7H20FeS
FeSe2FeSiOjFeTe2FeTiOjFeW04Fe2°3 Fe2(S04 )3Fe2Si04 Fe2Ti04 Fe2Ti05
Fe3CFe3°4Fe4Al 18Si 8046(OH>2Fe7Sig022(OH)2
Ge
H+
HCOj"HClHFHS"
H2
J2J»S
H2S H2S04H4Si04 HfO,
HgCl Hgl 2 HgO HgSH9|J?4S8
277
2114122523232116123012282812
14123412213016283221213310163335
7
7152324127
1516122891777
23241712147
77
7
51
555353514845
45
45
46
61
51
48566051516044486062
42
5354
42
1746
19
42
42
87
233
270249250234191130
130
132158146
349
235
192287332236
333120193
359
88
251259
89
48134
90
91
156
156
133159172
194160
460 THERMODYNAMIC PROPERTIES OF MINERALS AND RELATED SUBSTANCES
K0.80lla0.20Al8! 1 .94°5.88* 1.81H20
1"!. 81*5.62*1.79H20
KAl(S04 )2 KAlSi0
KAlSl*1 94°5 88' 1 - 69H2° KAlSi 266
KAl 2 [AlSi 301Q](OH) 2KA13<OH)6<S04 )2KBrKClKFe3 [AlSi,010](OH)2
KMg3 CAlSi 3010](OH)2KNOjKOHK2Mg2(S04 )3K20K2S04K3(Al 7Hg)(Al2Si 14 )040(OH)8
LiLi*
LiAlSi04LiAlSi 206LiAlSi4010Li 20
<M9.85 Fc.15>Si°3 MgJ*
HgAl2o4 MgCOj
MgCl 2HgCr204MgF2HgFe204Ng(N03 )2HgOMg(OH)2MgS
MgS04 -7H20 MgSiOj
MgTiOj(Ng 1 5Ca1 5 >Al2Si 3012"
'5°18>
page
38
page
Hg2Si04
3877
28373838372
3928232339333939261728172839
7737343717
3588
21252523212421261717122829343521333333332533
42
5663
6336
6556535365606565
56485665
63616348
6242
5155
53515451554848
56
616251606060
60
92
289369
37037366386290246252388
391389278
291195288
93
371350372196
94
237271
253238260239279197198
292
352354240
334
335
63367387
392390
351
353
Mg3Si 205 (OH)4M83Si4°10(OH)2
Ng5Al(AlSi 3010 )(OH)84MgC03 -Ng(OH) 2 -4H20Hg7si 8o22(OH)2NnHn2+
NnCOjMnCl2MnONn02MnSMnS04NnS2MnSiOj
MnU0
Ho HoOj
52MoS-
NH3NH4+
NH4Cl
<NH4 )2S04 N02 -
(Na0.25K0.75 )AlSf 3°8 Na0.36Ca0.29Al0.94S l5.06°12Na0.36Ca0.29AL0.94Sl 5.06°12'
3.47H2(N80.55K0.45 )AlSi 3°8. Na0.68Ca0.66<Al 1.99Si 3.01°10)-
2.64H20(Na0.78K0.22 >A [ Si°4Na0.81 K0.19ALSi 1.81°5.62'
2.18H20Na0.81 K0.19AlSi 1.94°5.88'
2.13H20(Na0.85K0.15>AlSi3°8 NaNa+
NaAlC03(OH)2NaAlSi04
NaAlSi 206 NaAlSi 206 -H20
NaAlSijOg
NaAl2 [AlSi 301Q](OH)2NaCa2Hg4Al(Al2Si 6)022F2NaCa2Ng4Al(Al 2Si 6)022(OH)2
33 6039 6539 65
402535 628 428
26 5523 5317 4817 4812 4529 561335 6221 513017 4933 6017 4917 498 4217 4913 46
10 441023 532629 5617 49178 423738
3837
3832 64
336 337394393
36095
272254199200135 161293
355241
20133820220396
204136 162
121
280294205
97
38
383788
2637
3537
42 98
55 27364 376 377
37862 356 38064 379
2 37 63 64373 374
40 66 395 3963535
INDEX OF FORMULAS 461
page page
Nad NaFNaFeSi 206 NaHC&j NaNOj NaOH<Ka1.1 K,8>Al 1.9Si6.r 6H20
Na2B407-10H20
Na2C03-NaHC03 -2H20 Na2Fe3Fe2Si8022(OH)2 Ma2Mg3Al2Si8022(OH)2 Na2C03 -3NaHC03Na20Na2S04 Na2S04 -10H20
NiCl 2NiCOjMiFe204NiONiSNiS04NiS04 -6H20NiS0 -7H20< Ni .?Fc.3>3S4 Ni 2Si04
Ni 4.5 Fe4.5S8
OH"
°2
PO3-
P205PbPb2+
PbCOjPbCl2PbMo04PbOPb02PbSPbS04PbSePbTePbW04Pb3°4 PtPtS
S2'
so2
232435262718383829262626353526182929242488
232621181329292913331313
168
81818882623301818132913133018813
30918
535462
55
55
6262
4956
545443
53
52494656
6046
42
43
43
53
49494657
61
4943
8
49
255261357
281
361
206295
26226399
256
242207137289
339138
100
101
102
257
208209139297
308
210103
43
211
163
340164
165
104
.so4S2 SbSb2°3
SeSiSiOSi02
SnSn02SnSSnS2SrSr2+
SrCOj
SrO SrS04
TeTe02ThTh02TiTi02Ti 2°3
Uuo2
V V2°3
Wwo2"°3 WS
Zn2+
ZnCOjZnFe204ZnMn204ZnOZnS
ZnS04ZnS04 -6H20ZnS04 -7H20Zrtuo,Zn2Si04Zn2Ti04ZrZr02ZrSiO,
181818391813991818
91913139926271929
91991991919
919
919
9202013
10102622222013
292929303322102033
49
943
4643434919
2142174350464643
555550
43
43504350
4350
4450
4450
46
44
5552
5046
57
6052445060
212
43106
14010710821349215218109219141142110
274282220
111
112221113222
114224
115225
116226
143
117
275243
227144170298
244118228341
105
166
50216
167168
223
169
145171
*U.S. G.P.O.:1995-380-070:89