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