Crystal system of gems and minerals

	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