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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Actinolite
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Attaway Ametrine
Basalt bomb
Basalt drill core
Basalt drill core
Basalt drill core
Bismuth
Carlton iron meteorite
Chrome Diopside
Columnar dacite
Dyber Ametrine
Fort Stockton
Galena with chalcopyrite, sphalerite, and others
Olivine-basalt drill core
Paravauxite
Peridotite xenoliths in basalt
Perovskite
Phosphophyllite
Plainview
Plantersville
Platinum nugget
Pyrrhotite
Quartz (var. ametrine)
Quartz Gems
Russian beryls
Russian chrysoberyls
Sikhote-Alin
Southwest Sunset
Sperrylite
Tiffany Amethyst Necklace
Topaz Gems
Topaz Pendant
Vivianite with pyrite
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