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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Agate
Ahumada
Andradite (var. demantoid)
Andradite (var. demantoid)
Azurite
Basalt
Beryl
Beryl (var. heliodor)
Bununu
Calcite
Calcite
Calcite
Calcite with duftite
Carbo
Corundum (var. sapphire)
Demantoid Bracelet
Descloizite in dolomite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fire Opal
Fire Opal
Fluorites
Grossular (var. tsavorite)
Grossular (var. tsavorite) and Elbaite
Gypsum
Gypsum
Gypsum
Hemimorphite
Hemimorphite
Hoba
Hoba
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