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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Hematite with quartz
Hoba
Hoba
Jeremejevite
Kimberley Diamond
Ludlockite with smithsonite
Malachite with azurite
Malachite with cuprite, quartz, and azurite
Marquise Diamond Ring
Nautilus Tourmaline Pendant
Nigerian tourmalines
Oppenheimer Diamond
Pearson Diamond
Peridot
Peridot
Peridot
Peridot gemstones
Perovskite
Phosgenite
Platinum nugget
Portuguese Diamond
Pyrrhotite
Rhodochrosite
Ruby and Diamond Brooch
Russian beryls
Russian chrysoberyls
Shepard Diamond
Sikhote-Alin
Smithsonite
Sperrylite
Spessartine
Sugilite
Tennantite
Tiffany Amethyst Necklace
Titanite with calcite and adularia
Topaz Gems
Pagination
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