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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Arkose
Augen gneiss block
Baryte
Basalt bomb
Basalt drill core
Basalt drill core
Basalt drill core
Basaltic cinder
Calcite
Chrome Diopside
Fluorite
Fluorite with calcite and chalcopyrite
Fluorites
Freedom Diamond
Galena with chalcopyrite, sphalerite, and others
Hemimorphite
Johnstown
Manganoan calcite
Microcline (var. amazonite)
Migmatite
Olivine-basalt drill core
Peridotite xenoliths in basalt
Perovskite
Platinum nugget
Pyrrhotite
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Russian beryls
Russian chrysoberyls
Sikhote-Alin
Sperrylite
Tiffany Amethyst Necklace
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