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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Mern
Moonstone
Moonstone
Moonstone
Moonstone Carving
Perovskite
Phosgenite
Platinum nugget
Pyrope
Pyrope (var. rhodolite)
Pyrope (var. rhodolite)
Pyrrhotite
Rosser Reeves Star Ruby
Russian beryls
Russian chrysoberyls
Scapolite
Scapolite
Sikhote-Alin
Smithsonite
Sperrylite
Spessartine
Spinel
Spinel
Spinel
Spinel ring
Spinels
Star of Bombay
Star of Katandru
Star Sapphire Necklace
Sunstone
Tennantite
Tiffany Amethyst Necklace
Topaz Gems
Unusual Gems
Wulfenite
Zircon
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