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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Beryl (var. heliodor)
Clinohumite
Corundum (var. ruby)
Demantoid with serpentine
Gypsum with sulphur
Kermesite with senarmontite and dolomite
Magombedze
Maharaja of Indore Necklace
Phosgenite
Spinel
Sulfur
Titanite
Unusual Gems
Vigarano
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