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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
Basalt drill core
Basalt drill core
Basalt drill core
Calcite
Chrome Diopside
Conchita Montana Sapphire Butterfly
Corundum (var. sapphire)
Fluorites
Galena with chalcopyrite, sphalerite, and others
Kyanite schist
Marble with wollastonite
Millerite
Millerite with hematite and quartz
Missouri River Sapphires
Montana Sapphires
Muscovite schist
Olivine-basalt drill core
Peekskill
Peridotite xenoliths in basalt
Perovskite
Platinum nugget
Pyritic slate
Pyrrhotite
Quartz (var. agate)
Quartz (var. agate)
Rock Creek Sapphires
Russian beryls
Russian chrysoberyls
Sikhote-Alin
Sperrylite
Tiffany Amethyst Necklace
Topaz Gems
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