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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Andradite (var. demantoid)
Andradite (var. demantoid)
Barite
Barite
Beryl (var. heliodor)
Corundum (var. sapphire)
Danburite
DeYoung Red Diamond
Diaspore
Elbaite and Nephrite Bracelet
Gold
Havey Tourmaline
Kyanite
Missouri River Sapphires
Paraiba Tourmaline
Pearl and Peridot Haircomb
Picasso Kunzite Necklace
Pyrope Hair Comb
Quartz (var. amethyst)
Quartz Pendant
Rock Creek Sapphires
Sherman Diamond
Spinels
Titanite
Topaz Pendant
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