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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)
Danburite
DeYoung Red Diamond
Diaspore
Elbaite
Elbaite Ring
Ethiopian Opals
Fluorite
Gold
Grossular (var. tsavorite)
Havey Tourmaline
Kyanite
Missouri River Sapphires
Moonstone
Nifontovite
Pentahydroborite
Peridot
Pyrope (var. rhodolite)
Quartz
Quartz (var. amethyst)
Rock Creek Sapphires
Rosser Reeves Star Ruby
Sherman Diamond
South Sea Pearl Ring
Spessartine
Spinel
Spinel
Titanite
Whitney Alexandrite
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