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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. aquamarine)
Beryl (var. aquamarine)
Beryl (var. green beryl)
Beryl (var. green beryl)
Beryl (var. heliodor)
Beryl (var. heliodor)
Beryl (var. morganite)
Calcite
Corundum (var. ruby)
Corundum (var. sapphire)
Danburite
Diaspore
Diopside
Elbaite
Elbaite (var. rubellite)
Emerald Carving
Fluorite
Gold
Hall Sapphire Necklace
Havey Tourmaline
Hazen Diamond Necklace
Hemimorphite
Kyanite
Missouri River Sapphires
Nigerian tourmalines
Quartz (var. amethyst)
Quartz (var. smoky-citrine)
Rock Creek Sapphires
Spinels
Sunstones
Thompson Diamonds
Titanite
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