Title | Anhydrite and gypsum from Wyoming, USA |
Description | This sample contains both anhydrite (gray-red) and gypsum (white). Gypsum, CaSO4•2H2O, and anhydrite, CaSO4, are closely related: most anhydrite forms by dehydration (dewatering) of gypsum. |
Location | USA ▹ Wyoming |
Photographer | Darla Sondrol. 2001-06-05. |
Collection | University of North Dakota Mineralogy Collection #840. |
Key words | anhydrite, gypsum, Wyoming |
Tech details | 560 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
GeoDIL number | 594 |
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