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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Bismuthinite
Calcite in betekhtinite
Cape York
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Creedite with pyrite
Folded anorthosite
Kyanite schist
Missouri River Sapphires
Montana Sapphires
Paragould
Quartz (var. agate)
Quartz (var. agate)
Rock Creek Sapphires
Smithsonites
Success meteorite
Tugtupite
Uncle Sam Diamond
Veszelyite
Yellow diamond crystal
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