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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Agate
Ahumada
Attaway Ametrine
Azurite
Basalt
Beryl (var. aquamarine)
Bismuth
Calcite
Calcite
Calcite
Carbo
Cornetite
Dyber Ametrine
Fire Opal
Fire Opal
Fluorite
Gypsum
Gypsum
Gypsum
Hemimorphite
Hemimorphite
Hologem Fire Opal Pendant
Malachite
Malachite slab
Metatorbernite
Mimetite
Monazite
Nuevo Mercurio
Opal (var. hyalite)
Opal in matrix
Opals
Orthoclase (var. adularia) with dolomite
Paradamite with pharmacosiderite
Paravauxite
Peridot gemstones
Phosphophyllite
Pagination
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