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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)
Attaway Ametrine
Azurite
Ballinoo
Basalt
Bencubbin
Bismuth
Black Opal Ring
Calcite
Calcite
Calcite
Calcite with duftite
Carbo
Crocoite with coronadite
Dark Jubilee Opal
Demantoid Bracelet
Descloizite in dolomite
Dyber Ametrine
Fire Opal
Fire Opal
Fluorite with calcite
Fluorites
Gypsum
Gypsum
Gypsum
Hemimorphite
Hemimorphite
Henbury
Hoba
Hoba
Hologem Fire Opal Pendant
Jeremejevite
Pagination
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