The Triclinic Systemmicrocline

The Monoclinic SystemOrthoclase

The Orthorhombic System

anhydrite

barite

The Trigonal Subsystem

The Trigonal Subsystem

Tourmaline on quartz

The Tetragonal System

scapolitevesuvianite

The Tetragonal System

rutile

The Tetragonal Systemtopaz

The Hexagonal Systemcinnabar

The Hexagonal Systemberyl

The Hexagonal System

zincite

The Isometric System

garnet

The Isometric Systempyrite