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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Paravauxite
Perovskite
Phosphophyllite
Platinum nugget
Pyrope (var. rhodolite)
Pyrrhotite
Quartz
Quartz (var. amethyst)
Quartz (var. ametrine)
Quartz Gems
Quartz with Fluorite
Russian beryls
Russian chrysoberyls
Scapolite
Scapolite
Sikhote-Alin
Southwest Sunset
Sperrylite
Spessartine
Spinel
Spinel
Spinel ring
Sunstone
Tiffany Amethyst Necklace
Titanite
Titanite
Topaz Gems
Unusual Gems
Unusual Gems
Vivianite with pyrite
Zircon
Zircon
Zircon
Zoisite
Zoisite ( var. tanzanite)
Zoisite (var. tanzanite)
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