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Smithsonian National Museum of Natural History
GeoGallery
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Andradite (var. demantoid)
Andradite (var. demantoid)
Apatite
Barite
Barite
Beryl (var. aquamarine)
Beryl (var. heliodor)
Corundum (var. ruby)
Corundum (var. sapphire)
Corundum (var. sapphire)
Danburite
Diaspore
Diopside
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite (var. cat's eye tourmaline)
Emerald Carving
Gold
Havey Tourmaline
Jolie Citrine Necklace
Kyanite
Midnight Dreamscape
Missouri River Sapphires
Nigerian tourmalines
Opal (var. hyalite)
Quartz (var. amethyst)
Quartz with dumortierite
Rock Creek Sapphires
Southwest Sunset
Titanite
Topaz
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