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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
Carmen LĂșcia Ruby
Corundum (var. sapphire)
Danburite
Diaspore
Dragonfly Box
Elbaite Ring
Gold
Havey Tourmaline
Hooker Yellow Diamonds
Kyanite
Missouri River Sapphires
Oregon Sunstones
Quartz (var. amethyst)
Rock Creek Sapphires
Rosser Reeves Star Ruby
Star of Katandru
Titanite
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