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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Actinolite
Baryte with berthierite
Beryl
Beryl (var. heliodor)
Bununu
Calcite on galena
Columnar dacite
Corundum (var. sapphire)
Cronstedtite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fluorites
Halite
Halite
Harriman
Mezö-Madaras
Nautilus Tourmaline Pendant
Nigerian tourmalines
Sylvanite
Zagami
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