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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Beryl (var. aquamarine)
Beryl (var. heliodor)
Carlton iron meteorite
Clinohumite
Corundum (var. ruby)
Fluorite
Fort Stockton
Limestone with chert
Opal
Opal bone
Plainview
Plantersville
Quartz (var. amethyst)
Quinn Canyon
Roebling Opal
Sandstone
Spinel
Spinels
Topaz Gems
Topaz Pendant
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