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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Basalt bomb
Beryl
Beryl (var. emerald)
Beryl (var. heliodor)
Bununu
Chrome Diopside
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Ethiopian Opals
Galena with chalcopyrite, sphalerite, and others
Georgina Emerald
Hubnerite with quartz
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal
Opal
Opal
Opal
Opal
Perovskite
Platinum nugget
Pyrrhotite
Rhodochrosite with quartz
Rhodonite
Russian beryls
Russian chrysoberyls
Sikhote-Alin
Sperrylite
Tetrahedrite
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