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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Aurichalcite with hemimorphite
Beryl
Beryl
Beryl (var. emerald)
Beryl (var. heliodor)
Bununu
Corundum (var. sapphire)
Demantoid with serpentine
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Estherville meteorite
Ethiopian Opals
Georgina Emerald
Gypsum with sulphur
Homestead
Nautilus Tourmaline Pendant
Nigerian tourmalines
Opal
Opal
Opal
Opal
Opal
Phosgenite
Sandstone
Sulfur
Unusual Gems
Vigarano
Zagami
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