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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Rhodochrosite
Rosser Reeves Star Ruby
Ruby and Diamond Brooch
Shepard Diamond
Spinel
Spinels
Star of Bombay
Star of Katandru
Star Sapphire Necklace
Sugilite
Unusual Gems
Unusual Gems
Victoria-Transvaal Diamond
Zircons
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