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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Agate
Ahumada
Azurite
Basalt
Beryl
Beryl (var. heliodor)
Bismarck Sapphire Necklace
Bununu
Burmese Ruby Bracelet
Calcite
Calcite
Calcite
Carbo
Carmen Lúcia Ruby
Cat's Eyes
Corundum (var. ruby)
Corundum (var. sapphire)
Corundum (var. sapphire)
Danburite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite
Elbaite (var. rubellite)
Fire Opal
Fire Opal
Grossular (var. tsavorite)
Grossular (var. tsavorite) and Elbaite
Gypsum
Gypsum
Gypsum
Hemimorphite
Hemimorphite
Hologem Fire Opal Pendant
Pagination
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