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Gem Encyclopedia

agi Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe. Each precious stone page features additional detailed gemological information, photos & research.

Alexandrite
Amber
Amethyst
Amertine
Aquamarine
Citrine
Diamond
Fancy Colour Diamond
Emerald
Garnet
Iolite
Jade
kunzite
Lapis Lazuli
Moonstone
Morganite
Opal
Pearl
Peridot
Rose Quartz
Ruby
Sapphire
Spinel
Sunstone
Tanzanite
Topaz
Tourmaline
Turquoise
Zircon