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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Agate
Ahumada
Attaway Ametrine
Azurite
Baryte
Baryte with calcite
Basalt
Basalt drill core
Basalt drill core
Basalt drill core
Bismuth
Calcite
Calcite
Calcite
Carbo
Dyber Ametrine
Fire Opal
Fire Opal
Gypsum
Gypsum
Gypsum
Hemimorphite
Hemimorphite
Hologem Fire Opal Pendant
Kyanite
Kyanite
Mimetite
Nuevo Mercurio
Olivine-basalt drill core
Opal (var. hyalite)
Opal in matrix
Opals
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Paravauxite
Peridotite xenoliths in basalt
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