đ Gemological Knowledge Base
Scientific gemological reference including Species, Variety, Geographic Origin, Treatment, Laboratory Classification, and Man-Made Materials.
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BERYL
Emerald, Aquamarine, Morganite, Heliodor and other beryl varieties.
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Chrysoberyl Group
Chrysoberyl, Cat’s Eye and related varieties.
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Corundum Group
Sapphire, Ruby and related corundum varieties.
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Diamond Group
Natural Diamond, Colored Diamond and related types.
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Feldspar Group
Moonstone, Labradorite, Sunstone and other feldspar varieties.
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Garnet Group
Almandine, Pyrope, Spessartine, Grossular, Andradite, Uvarovite.
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Jade Group
Jadeite, Nephrite and related jade materials.
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Olivine Group
Peridot, Forsterite, Fayalite and related varieties.
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Opal Group
Precious Opal, Fire Opal, Common Opal and related types.
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Quartz & Chalcedony
Quartz, Amethyst, Citrine, Agate, Chalcedony, Onyx and more.
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Spinel Group
Red Spinel, Blue Spinel and other spinel varieties.
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Topaz Group
Blue Topaz, Imperial Topaz, Yellow Topaz and related types.
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Tourmaline Group
Elbaite, Dravite, Paraiba Tourmaline and other varieties.
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Zircon Group
Zircon, Blue Zircon, Hyacinth and other zircon varieties.
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