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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Oppenheimer Diamond
Pearson Diamond
Portuguese Diamond
Pyrope (var. rhodolite)
Rhodochrosite
Rhodochrosite with quartz
Rhodonite
Ruby and Diamond Brooch
Scapolite
Scapolite
Shepard Diamond
Spessartine
Spinel
Spinel
Spinel ring
Sugilite
Sunstone
Tetrahedrite
Unusual Gems
Victoria-Transvaal Diamond
Zagami
Zircon
Zircon
Zoisite
Zoisite ( var. tanzanite)
Zoisite (var. tanzanite)
Zoisite (var. tanzanite)
Zoisites
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