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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Migmatite
Missouri River Sapphires
Montana Sapphires
Nephrite Bowl
Nephrite Perfume Bottle
Pyrophyllite
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Rhyolite
Rhyolite pumice
Rock Creek Sapphires
Spodumene (var. kunzite)
Spurrite
Unusual Gems
Unusual Gems
Unusual Gems
Veszelyite
Zircon (var. cyrtolite)
Pagination
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