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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Attaway Ametrine
Augen gneiss block
Basaltic cinder
Bismuth
Calcite
Cinnabar
Diopside
Dyber Ametrine
Hemimorphite
Jadeite Figurine
Johnstown
Manganoan calcite
Microcline
Microcline (var. amazonite)
Migmatite
Nephrite Perfume Bottle
Paravauxite
Phosphophyllite
Pyromorphite
Quartz (var. agate)
Quartz (var. ametrine)
Quartz (var. smoky quartz) with microcline
Quartz Gems
Rhodochrosite
Scheelite
Southwest Sunset
Vivianite with pyrite
Zircon (var. cyrtolite)
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