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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
Beryl (var. emerald)
Bismuth
Chrome Diopside
Dyber Ametrine
Farmville
Galena with chalcopyrite, sphalerite, and others
Granite block
Mern
Millerite
Paravauxite
Perovskite
Phosphophyllite
Platinum nugget
Pyrrhotite
Quartz (var. amethyst)
Quartz (var. ametrine)
Quartz Gems
Quartz Pendant
Russian beryls
Russian chrysoberyls
Sikhote-Alin
Southwest Sunset
Sperrylite
Tiffany Amethyst Necklace
Topaz Gems
Vivianite with pyrite
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