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