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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Carlton iron meteorite
Cornetite
Fort Stockton
Kermesite with senarmontite and dolomite
Limestone with chert
Magombedze
Malachite
Malachite slab
Metatorbernite
Opal
Opal bone
Plainview
Plantersville
Quartz (var. amethyst)
Quinn Canyon
Roebling Opal
Sandstone
Titanite
Topaz Gems
Topaz Pendant
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