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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
Baryte
Basalt bomb
Bismuth
Calcite
Calcite
Chrome Diopside
Dyber Ametrine
Dyscrasite
Fluorite
Fluorite
Fluorites
Galena with chalcopyrite, sphalerite, and others
Hematite
Hubnerite with quartz
Opal
Paravauxite
Perovskite
Phosphophyllite
Platinum nugget
Pyrope Hair Comb
Pyrrhotite
Quartz (var. ametrine)
Quartz Gems
Rhodochrosite with quartz
Rhodonite
Russian beryls
Russian chrysoberyls
Sikhote-Alin
Southwest Sunset
Sperrylite
Tetrahedrite
Tiffany Amethyst Necklace
Pagination
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