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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Goose Lake
Hubnerite with quartz
Lawsonite
Limestone
Merwinite
Metaconglomerate
Nautilus Tourmaline Pendant
Nephrite Bowl
Nigerian tourmalines
Opal
Perovskite
Platinum nugget
Pyrophyllite
Pyrrhotite
Rhodochrosite with quartz
Rhodonite
Rhyolite
Rhyolite pumice
Russian beryls
Russian chrysoberyls
Sikhote-Alin
Sperrylite
Spodumene (var. kunzite)
Spurrite
Tetrahedrite
Tiffany Amethyst Necklace
Topaz Gems
Unusual Gems
Unusual Gems
Unusual Gems
Zagami
Pagination
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