A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Gypsum (selenite) from near the Black Hills, South Dakota, USA |
|---|---|
| Description | Gypsum, CaSO4•2H2O, has many different appearances. Most commonly it is massive and opaque. Clear samples, like this one are called selenite. This specimen ins 6 cm across. |
| Location | USA ▹ South Dakota. Near Black Hills. |
| Photographer | Darla Sondrol. 2001-06-05. |
| Collection | University of North Dakota Mineralogy Collection #796. |
| Key words | gypsum, South Dakota |
| Tech details | 380 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 621 |
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