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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Moonstone
Moonstone Carving
Nautilus Tourmaline Pendant
Nigerian tourmalines
Oppenheimer Diamond
Paravauxite
Pearson Diamond
Phosphophyllite
Portuguese Diamond
Pyrope
Pyrope (var. rhodolite)
Quartz (var. ametrine)
Quartz Gems
Rhodochrosite
Rosser Reeves Star Ruby
Ruby and Diamond Brooch
Shepard Diamond
Southwest Sunset
Spinel
Spinels
Star of Bombay
Star of Katandru
Star Sapphire Necklace
Sugilite
Unusual Gems
Unusual Gems
Victoria-Transvaal Diamond
Vivianite with pyrite
Zagami
Zircons
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