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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Paragould
Peridot gemstones
Petalite
Poudretteite
Pyritic slate
Pyromorphite
Scapolite
Smithsonites
Spinel Bracelet
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Star of Asia
Success meteorite
Tiffany Opal Necklace
Uncle Sam Diamond
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Yowah Opal Nut
Zagami
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