Abalone Pearls	Agate
Alexandrite	Amethyst
Ametrine	Ammolite
Andalusite	Andesine-Labradorite
Apatite	Aquamarine
Axinite	Baddeleyite
Bastnasite	Beryl
Bi Color Tourmaline	Bixbite
Chalcedony	Chrome Tourmaline
Chrysoberyl	Chrysoberyl Cats Eye
Chrysocolla Quartz	Chrysoprase
Citrine	Clinohumite
Color Change Garnet	Color Change Sapphire
Danburite	Demantoid
Diaspore	Dinosaur Bone
Diopside	Dumortierite
Emerald	Enstatite
Euclase	Fire Agate
Fluorite	Forsterite
Freshwater Pearls	Grossularite
Hambergite	Hemimorphite
Hessonite	Idocrase
Intarsia	Jadeite
Johachidolite	Kornerupine
Kunzite	Kyanite
Lapis	Malaia Garnet
Mali Garnet	Mawsitsit
Moonstone	Morganite
Musgravite	Oligoclase
Opal	Painite
Pargasite	Peridot
Pezzottaite	Phenakite
Pollucite	Poudretteite
Quartz	Rainbow Suite
Rhodochrosite	Rhodolite
Rubelite	Ruby
Sapphire	Scapolite
Scheelite	Serendibite
Sillimanite	Spessartite
Sphene	Spinel
Star Sapphire	Sunstone
Taaffeite	Tanzanite
Topaz	Tourmaline
Triplite	Tsavorite
Turquoise	Zircon

Also see: Guide to Gemstones Varieties.