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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Adamite
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Attaway Ametrine
Basalt bomb
Bismuth
Chrome Diopside
Cornetite
Dyber Ametrine
Galena with chalcopyrite, sphalerite, and others
Malachite
Malachite slab
Metatorbernite
Paravauxite
Perovskite
Phosphophyllite
Platinum nugget
Pyrrhotite
Quartz (var. ametrine)
Quartz Gems
Rhodochrosite with arsenopyrite
Russian beryls
Russian chrysoberyls
Sikhote-Alin
Southwest Sunset
Sperrylite
Tiffany Amethyst Necklace
Topaz Gems
Vivianite with pyrite
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