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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Agate
Ahumada
Alexandrites
Andradite (var. demantoid)
Andradite (var. demantoid)
Attaway Ametrine
Azurite
Basalt
Basalt bomb
Bismarck Sapphire Necklace
Bismuth
Burmese Ruby Bracelet
Calcite
Calcite
Calcite
Carbo
Carmen Lúcia Ruby
Cat's Eyes
Chrome Diopside
Corundum (var. ruby)
Corundum (var. sapphire)
Danburite
Dyber Ametrine
Fire Opal
Fire Opal
Galena with chalcopyrite, sphalerite, and others
Gypsum
Gypsum
Gypsum
Hemimorphite
Hemimorphite
Hologem Fire Opal Pendant
Jadeite
Jadeitite
Mimetite
Moonstone
Pagination
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