| Title | Anhydrite and gypsum from the Silver Plains Mine, Manitoba |
| Description | This sample contains anhydrite (CaSO4, light blue) which has partially hydrated to form white gypsum, CaSO4•2H2O. It is 8 cm across. |
| Location | Canada ▹ Manitoba. Near Silver Plains. Gypsum Mine. |
| Photographer | Darla Sondrol. 2001-06-12. |
| Collection | University of North Dakota Mineralogy Collection #778. |
| Key words | anhydrite, gypsum, Manitoba |
| Tech details | 525 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 719 |
 |