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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Andradite (var. demantoid)
Andradite (var. demantoid)
Apatite
Barite
Barite
Beryl (var. aquamarine)
Beryl (var. heliodor)
Calcite
Corundum (var. ruby)
Corundum (var. sapphire)
Corundum (var. sapphire)
Danburite
DeYoung Red Diamond
Diaspore
Dragonfly Box
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite (var. cat's eye tourmaline)
Gold
Havey Tourmaline
Hooker Yellow Diamonds
Jolie Citrine Necklace
Kyanite
Midnight Dreamscape
Missouri River Sapphires
Opal (var. hyalite)
Quartz (var. amethyst)
Quartz with dumortierite
Rock Creek Sapphires
Sherman Diamond
Southwest Sunset
Titanite
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