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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Paravauxite
Perovskite
Phosphophyllite
Platinum nugget
Pyromorphite
Pyrrhotite
Quartz (var. ametrine)
Quartz Gems
Rhodochrosite with quartz
Rhodonite
Russian beryls
Russian chrysoberyls
Sikhote-Alin
Southwest Sunset
Sperrylite
Tetrahedrite
Tiffany Amethyst Necklace
Tiffany Opal Necklace
Topaz Gems
Unusual Gems
Vivianite with pyrite
Yowah Opal Nut
Zagami
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