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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Actinolite
Arkose
Augen gneiss block
Baryte
Basaltic cinder
Beryl (var. aquamarine)
Beryl (var. green beryl)
Bustee
Calcite
Cavansite with stilbite and calcite
Columnar dacite
Cordierite (var. iolite)
Cordierite (var. iolite)
Fluorite
Fluorite with calcite and chalcopyrite
Fluorites
Hemimorphite
Hope Diamond
Johnstown
Manganoan calcite
Mesolite
Microcline
Microcline (var. amazonite)
Migmatite
Quartz (var. agate)
Quartz (var. dendritic agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Shergotty
Van Buren Pearls
Zircon (var. cyrtolite)
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