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