| Title | Calcite veins in graywacke |
| Description | This sample shows veins of calcite cutting a graywacke. It comes from near Telluride, Colorado, a famous mining district. |
| Location | USA ▹ Colorado ▹ San Miguel. Near Telluride. |
| Photographer | Darla Sondrol. 2001-06-11. |
| Collection | University of North Dakota Mineralogy Collection #659. |
| Key words | calcite, Colorado |
| Tech details | 725 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 671 |
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