|
|
|
|
|
|
Gem / Mineral
|
System
|
|
|
Aquamarine
|
Hexagonal
|
|
|
Amethyst
|
Trigonal
|
|
|
apatite
|
Hexagonal
|
|
|
Beryl
|
Hexagonal
|
|
|
Brazilianite
|
Monoclinic
|
|
|
calcite
|
Trigonal
|
|
|
Chrysoberyl
|
Orthorhombic
|
|
|
Citrine
|
Trigonal
|
|
|
Cordierite
|
Orthorhombic
|
|
|
Corundum
|
Trigonal
|
|
|
Diamond
|
Cubic
|
|
|
Diopside
|
monoclinic
|
|
|
Dioptase
|
Trigonal
|
|
|
Dumortierite
|
Orthorhombic
|
|
|
Emerald
|
hexagonal
|
|
|
Fluorite
|
Cubic
|
|
|
Gaylussite
|
monoclinic
|
|
|
Garnet
|
Cubic
|
|
|
Monoclinic
|
Jadeite
|
|
|
Labradorite
|
triclinic
|
|
|
Lazulite
|
Monoclinic
|
|
|
Malachite
|
Monoclinic
|
|
|
opal
|
Amorphous
|
|
|
Orthoclase
|
Triclinic
|
|
|
Periclase
|
Cubic
|
|
|
Peridot
|
Orthorhombic
|
|
|
pyrite
|
Cubic
|
|
|
Quartz
|
Trigonal
|
|
|
Rhodizite
|
Cubic
|
|
|
Rhodochrosite
|
Trigonal
|
|
|
Rhodonite
|
triclinic
|
|
|
Ruby
|
Trigonal
|
|
|
Rutile
|
Quadratic
|
|
|
Sapphire
|
Trigonal
|
|
|
Spinel
|
Cubic
|
|
|
Tanzanite
|
Orthorhombic
|
|
|
Topaz
|
Orthorhombic
|
|
|
Tourmaline
|
Trigonal
|
|
|
Turquoise
|
Triclinic
|
|
|
Zircon
|
Tetragonal
|
Thursday, May 10, 2012
Crystal system of gems and minerals
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