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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Hematite with quartz
Kimberley Diamond
Lion of Merelani Tsavorite
Marquise Diamond Ring
Moonstone
Moonstone
Nautilus Tourmaline Pendant
Nigerian tourmalines
Oppenheimer Diamond
Pearson Diamond
Peridot
Peridot
Peridot
Peridot gemstones
Perovskite
Platinum nugget
Portuguese Diamond
Pyrope (var. rhodolite)
Pyrrhotite
Rhodochrosite
Ruby and Diamond Brooch
Russian beryls
Russian chrysoberyls
Scapolite
Scapolite
Shepard Diamond
Sikhote-Alin
Sperrylite
Spinel
Spinel
Spinel ring
Sugilite
Sunstone
Tiffany Amethyst Necklace
Titanite with calcite and adularia
Topaz Gems
Pagination
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