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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Attaway Ametrine
Augen gneiss block
Baryte with berthierite
Basaltic cinder
Bismuth
Cornetite
Cronstedtite
Dyber Ametrine
Hemimorphite
Hubnerite with quartz
Johnstown
Malachite
Malachite slab
Manganoan calcite
Metatorbernite
Mezö-Madaras
Microcline
Microcline (var. amazonite)
Migmatite
Opal
Paravauxite
Phosphophyllite
Quartz (var. agate)
Quartz (var. ametrine)
Quartz (var. smoky quartz) with microcline
Quartz Gems
Rhodochrosite
Rhodochrosite with quartz
Rhodonite
Southwest Sunset
Sylvanite
Tetrahedrite
Vivianite with pyrite
Zircon (var. cyrtolite)
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