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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 with berthierite
Basalt bomb
Bismuth
Chrome Diopside
Cornetite
Cronstedtite
Dyber Ametrine
Fluorite with calcite
Fluorites
Galena with chalcopyrite, sphalerite, and others
Malachite
Malachite slab
Metatorbernite
Mezö-Madaras
Paravauxite
Perovskite
Phosphophyllite
Platinum nugget
Pyrite
Pyrrhotite
Quartz (var. ametrine)
Quartz Gems
Russian beryls
Russian chrysoberyls
Sikhote-Alin
Southwest Sunset
Sperrylite
Sphalerite
Sylvanite
Tiffany Amethyst Necklace
Topaz Gems
Unusual Gems
Pagination
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