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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Gold
Gold
Gold
Gold leaf
Gold nugget
Gold on quartz
Goose Lake
Grossular (var. tsavorite) and Elbaite
Halite
Halite
Lawsonite
Limestone
Merwinite
Metaconglomerate
Nautilus Tourmaline Pendant
Nephrite Bowl
Nigerian tourmalines
Pyrophyllite
Rhyolite
Rhyolite pumice
Spodumene (var. kunzite)
Spurrite
Unusual Gems
Unusual Gems
Unusual Gems
Zagami
Pagination
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