| Title | Calcite crystals |
| Description | This sample, containing large relatively clear calcite, is about 9 cm across. Calcite comes in many different forms; the well formed crystal on the left of this sample is “nail head” spar. |
| Photographer | Darla Sondrol. 2001-06-11. |
| Collection | University of North Dakota Mineralogy Collection #4000. |
| Key words | calcite |
| Tech details | 585 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 686 |
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