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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Actinolite
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Basalt bomb
Basalt drill core
Basalt drill core
Basalt drill core
Beryl
Beryl (var. heliodor)
Bununu
Calcite
Chrome Diopside
Columnar dacite
Corundum (var. sapphire)
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorites
Galena with chalcopyrite, sphalerite, and others
Marble with wollastonite
Millerite
Millerite with hematite and quartz
Nautilus Tourmaline Pendant
Nigerian tourmalines
Olivine-basalt drill core
Peekskill
Peridotite xenoliths in basalt
Perovskite
Platinum nugget
Pyrrhotite
Russian beryls
Russian chrysoberyls
Sikhote-Alin
Sperrylite
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