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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Attaway Ametrine
Augen gneiss block
Aurichalcite with hemimorphite
Baryte
Basaltic cinder
Beryl
Bismuth
Calcite
Carlton iron meteorite
Dyber Ametrine
Fluorite
Fluorite
Fluorites
Fort Stockton
Hematite
Hemimorphite
Johnstown
Manganoan calcite
Microcline
Microcline (var. amazonite)
Migmatite
Paravauxite
Phosphophyllite
Plainview
Plantersville
Quartz (var. agate)
Quartz (var. ametrine)
Quartz (var. smoky quartz) with microcline
Quartz Gems
Rhodochrosite
Sandstone
Southwest Sunset
Topaz Gems
Topaz Pendant
Vivianite with pyrite
Pagination
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