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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Agate
Andalusite with quartz, muscovite, and biotite
Beryl (var. aquamarine)
Beryl (var. green beryl)
Bustee
Calcite
Cavansite with stilbite and calcite
Cordierite (var. iolite)
Cordierite (var. iolite)
Fluorite
Gypsum
Gypsum
Hemimorphite
Hope Diamond
Mesolite
Mimetite
Nifontovite
Pentahydroborite
Pyrite with calcite
Quartz (var. agate)
Quartz (var. dendritic agate)
Shergotty
Sinuous Gypsum
Stibnite
Topaz Gems
Van Buren Pearls
Wulfenite
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