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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Pearson Diamond
Peridot gemstones
Petalite
Phosgenite
Portuguese Diamond
Poudretteite
Rhodochrosite
Ruby and Diamond Brooch
Scapolite
Shepard Diamond
Smithsonite
Spessartine
Spinel Bracelet
Spinels
Star of Asia
Sugilite
Tennantite
Unusual Gems
Unusual Gems
Victoria-Transvaal Diamond
Wulfenite
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