By Loren Casteel

(I really hope this helps.)

Terms To Remember

-Metallic : It’s shiny and you could “build a bumper from it.”

- Nonmetallic : It is either earthy or crystalline. (It looks like a common rock or a crystal.)

- Vitreous : The mineral is see-through like glass.

-Translucent : It’s like frosted glass; you can sort of see through it.

- Opaque : NOT translucent or vitreous. You can’t see through it.

Here’sHere’s how it works. .how it works. . . . See the rainbow-colored dots appearing at

the bottom of your screen?

There are eight of them in total, and they There are eight of them in total, and they are your timer.are your timer.

For each slide, you will have twenty For each slide, you will have twenty seconds to identify your mineral.seconds to identify your mineral. Write its

name on a sheet of your own paper

The rainbow dots show you how much time you have left.

Ready?Ready?

• nonmetallic

• extremely heavy (considering it is nonmetallic)

• colorless, white, gray

• pearly

• 3 – 3.5 hardness

• usually found as tabular crystals of multiple widths or as large, white masses

• nonmetallic

• yellowish green, olive

• vitreous

• white streak

• 6.5 – 7 hardness

• metallic

• reddish-brown color

• reddish-brown streak

• 2.5 – 3 hardness

• tarnishes green or black

• nonmetallic

• green, greenish blue, or blue

• light green streak

• 2.5 – 3.5 hardness

• metallic, but can be earthy

• steel-gray to red

• rust-red streak

• 5 -6 hardness

• nonmetallic

• dark brown, green to black

• white streak

• pearly or vitreous

• 2.5 – 3 hardness

• nonmetallic

• black or green

• colorless streak

• long, slender crystals

• 6 hardness

• nonmetallic

• blue

• light blue streak

• 3.5 – 4 hardness

• vitreous or transparent

• nonmetallic

• comes in all colors

• streaks white

• pearly or vitreous

• 3 hardness

• nonmetallic

• colorless, white, pale green, green

• 1 hardness (VERY SOFT)

• pearly or dull

• translucent

• nonmetallic

• white, pale-yellow, tan

• white streak

• 2 – 2.5 streak

• waxy, pearly, dull

• nonmetallic

• colorless, white, gray, black

• white streak

• vitreous

• 6 – 6.5 hardness

• metallic

• brass yellow

• greenish-black streak

• 3.5 – 4 hardness

• nonmetallic

• vitreous, pearly

• colorless, pale brown, green, yellow

• 2.5 hardness

• separates into thin, glass-like plates

• nonmetallic

• vitreous

• comes in all colors

• white streak

• 7 hardness

• nonmetallic

• purple, green, yellow, colorless

• white streak

• vitreous, dull

• 4 hardness

• vitreous, pearly, dull

• colorless, white, gray, pink

• white streak

• 2 hardness

• nonmetallic

• green to brown

• vitreous when in crystal form, earthy otherwise

• massive and granular

• 5 hardness

• nonmetallic

• vitreous, pearly

• colorless, white, gray, reddish-white, brownish-white

• white streak

• 3.5 – 4 hardness

• effervesces in HCl

• nonmetallic

• NOT a mineral at all

• yellow, brown, red

• pisolitic (formed of small, pea-shaped beads)

• 2 – 3 hardness

• metallic

• gray, black

• black streak

• opaque

• 5.5 – 6.5 hardness

• metallic

• brass-yellow

• greenish-black streak

• opaque

• 6 – 6.5 hardness

• named because SPARKS fly when it is hit with another mineral or metal

• metallic

• iron black, steel-gray

• black/gray streak

• 1 – 2 hardness

• can write on paper

• nonmetallic

• brown, pink, ruby red

• vitreous to dull

•9 hardness

• usually in hexagonal form

Check your answers and review by going to my

facebook and looking at my notes. I’ve posted the

answers there.