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Smithsonian National Museum of Natural History
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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)
Corundum (var. star ruby)
Danburite
Diaspore
Dunn Pearl Necklace
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite (var. cat's eye tourmaline)
Gold
Havey Tourmaline
Hooker Emerald
Jolie Citrine Necklace
Kyanite
Midnight Dreamscape
Missouri River Sapphires
Opal (var. hyalite)
Opal Peacock Brooch
Quartz (var. amethyst)
Quartz with dumortierite
Rock Creek Sapphires
Southwest Sunset
Titanite
Victoria-Transvaal Diamond
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