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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)
Calcite
Corundum (var. sapphire)
Corundum (var. star ruby)
Danburite
Diaspore
Dunn Pearl Necklace
Enstatite
Fluorite
Gold
Havey Tourmaline
Hooker Emerald
Kyanite
Marie Louise Diadem
Missouri River Sapphires
Opal
Opal Peacock Brooch
Phosgenite
Quartz (var. amethyst)
Quartz (var. amethyst)
Rhodonite
Rock Creek Sapphires
Rutile
Titanite
Titanite
Topaz
Tugtupite
Väyrynenite
Victoria-Transvaal Diamond
Whitney Flame Topaz
Wilkinson Diamond Brooch
Zoisite ( var. tanzanite)
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