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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Baryte
Basalt bomb
Beryl
Beryl (var. emerald)
Beryl (var. heliodor)
Bununu
Calcite
Chrome Diopside
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Ethiopian Opals
Fluorite
Fluorite
Fluorites
Galena with chalcopyrite, sphalerite, and others
Galena with pyrite and marcasite
Georgina Emerald
Hematite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal
Opal
Opal
Opal
Perovskite
Platinum nugget
Pyrrhotite
Russian beryls
Russian chrysoberyls
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