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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)
Corundum (var. star ruby)
Danburite
Diaspore
Diopside
Dunn Pearl Necklace
Emerald Carving
Gold
Havey Tourmaline
Hooker Emerald
Kyanite
Missouri River Sapphires
Mystery Diamond
Nigerian tourmalines
Opal Peacock Brooch
Quartz (var. amethyst)
Rock Creek Sapphires
Titanite
Topaz
Victoria-Transvaal Diamond
Wilkinson Diamond Brooch
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