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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Albite (var. moonstone)
Amazonite
Apophyllite with prehnite
Arkose
Attaway Ametrine
Augen gneiss block
Basaltic cinder
Beryl (var. heliodor)
Bismuth
Calcite
Dolerite
Dyber Ametrine
Hemimorphite
Johnstown
Kyanite after andalusite
Manganoan calcite
Microcline
Microcline (var. amazonite)
Migmatite
Paravauxite
Phosphophyllite
Quartz (var. agate)
Quartz (var. ametrine)
Quartz (var. smoky quartz) with microcline
Quartz Gems
Rhodochrosite
Southwest Sunset
Stalagmite
Staunton
Topaz Gems
Vivianite with pyrite
Zircon (var. cyrtolite)
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