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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Amethyst Heart Brooch
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
Elbaite
Elbaite (var. rubellite)
Fluorite
Gold
Havey Tourmaline
Hemimorphite
Kyanite
Missouri River Sapphires
Quartz (var. amethyst)
Quartz (var. smoky-citrine)
Rock Creek Sapphires
Spinels
Sunstone
Sunstones
Titanite
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