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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Beryl
Beryl (var. heliodor)
Bununu
Carlton iron meteorite
Corundum (var. ruby)
Corundum (var. ruby)
Corundum (var. sapphire)
Demantoid with serpentine
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fort Stockton
Gypsum with sulphur
Millerite
Nautilus Tourmaline Pendant
Nigerian tourmalines
Phosgenite
Plainview
Plantersville
Sulfur
Topaz Gems
Topaz Pendant
Unusual Gems
Vigarano
Zagami
Zircons
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