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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. heliodor)
Bununu
Calcite
Calcite
Chrome Diopside
Corundum (var. sapphire)
Dyscrasite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorites
Galena with chalcopyrite, sphalerite, and others
Harriman
Hubnerite with quartz
Marble with wollastonite
Millerite
Millerite with hematite and quartz
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Peekskill
Perovskite
Platinum nugget
Pyrope Hair Comb
Pyrrhotite
Rhodochrosite with quartz
Rhodonite
Russian beryls
Russian chrysoberyls
Sikhote-Alin
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