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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Arkose
Attaway Ametrine
Augen gneiss block
Basalt drill core
Basalt drill core
Basalt drill core
Basaltic cinder
Beryl (var. aquamarine)
Beryl (var. green beryl)
Bismuth
Bustee
Cavansite with stilbite and calcite
Cordierite (var. iolite)
Cordierite (var. iolite)
Dyber Ametrine
Hemimorphite
Hope Diamond
Johnstown
Manganoan calcite
Mesolite
Microcline
Microcline (var. amazonite)
Migmatite
Millerite
Olivine-basalt drill core
Paravauxite
Peridotite xenoliths in basalt
Phosphophyllite
Quartz (var. agate)
Quartz (var. ametrine)
Quartz (var. dendritic agate)
Quartz (var. smoky quartz) with microcline
Quartz Gems
Rhodochrosite
Shergotty
Southwest Sunset
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