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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Agate
Ahumada
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Azurite
Basalt
Bismarck Sapphire Necklace
Burmese Ruby Bracelet
Calcite
Calcite
Calcite
Calcite with duftite
Carbo
Carmen Lúcia Ruby
Cat's Eyes
Corundum (var. ruby)
Corundum (var. ruby)
Corundum (var. sapphire)
Corundum (var. sapphire)
Corundum (var. star sapphire)
Danburite
Demantoid Bracelet
Descloizite in dolomite
Dravite
Fire Opal
Fire Opal
Fluorites
George Pendant
Grossular Garnets
Grossular Garnets
Gypsum
Gypsum
Gypsum
Hemimorphite
Pagination
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