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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Ludlockite with smithsonite
Malachite with azurite
Malachite with cuprite, quartz, and azurite
Marquise Diamond Ring
Nautilus Tourmaline Pendant
Nigerian tourmalines
Oppenheimer Diamond
Pearson Diamond
Perovskite
Phosgenite
Platinum nugget
Portuguese Diamond
Pyrrhotite
Rhodochrosite
Ruby and Diamond Brooch
Russian beryls
Russian chrysoberyls
Sandstone
Shepard Diamond
Sikhote-Alin
Smithsonite
Sperrylite
Spessartine
Sugilite
Tennantite
Tiffany Amethyst Necklace
Topaz Gems
Unusual Gems
Unusual Gems
Victoria-Transvaal Diamond
Wulfenite
Zagami
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