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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Actinolite
Arkose
Attaway Ametrine
Augen gneiss block
Basaltic cinder
Bismuth
Calcite
Columnar dacite
Dyber Ametrine
Fluorites
Hemimorphite
Johnstown
Manganoan calcite
Marble with wollastonite
Microcline
Microcline (var. amazonite)
Migmatite
Millerite
Millerite with hematite and quartz
Paravauxite
Peekskill
Phosphophyllite
Pitts
Quartz (var. agate)
Quartz (var. ametrine)
Quartz (var. smoky quartz) with microcline
Quartz Gems
Rhodochrosite
Southwest Sunset
Vivianite with pyrite
Zircon (var. cyrtolite)
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