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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
PAT 91501,50
Pearson Diamond
Peridot gemstones
Perovskite
Platinum nugget
Portuguese Diamond
Post Emerald Necklace
Proustite cross (NMNH 12829-00)
Pyrrhotite
Rhodochrosite
Ruby and Diamond Brooch
Russian beryls
Russian chrysoberyls
Shepard Diamond
Sikhote-Alin
Sokol Emerald Necklace
Sperrylite
Sugilite
Tiffany Amethyst Necklace
Topaz Gems
Unusual Gems
Victoria-Transvaal Diamond
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