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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Petalite
Poudretteite
Pyritic slate
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Rock Creek Sapphires
Scapolite
Spinel Bracelet
Spinels
Star of Asia
Veszelyite
Zagami
Zircon (var. cyrtolite)
Pagination
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