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Smithsonian National Museum of Natural History
GeoGallery
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Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Baryte
Basalt bomb
Calcite
Chrome Diopside
Eclogite
Fluorite
Fluorite
Fluorites
Galena with chalcopyrite, sphalerite, and others
Hematite
Mern
Monazite
Peridot gemstones
Perovskite
Platinum nugget
Pyrrhotite
Russian beryls
Russian chrysoberyls
Sikhote-Alin
Silver
Silver
Sperrylite
Sunstone
Tiffany Amethyst Necklace
Topaz Gems
Zircon with biotite and feldspar
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