A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Natrochalcite and kroehnkite, secondary copper minerals from Chuquicamata, Chile |
|---|---|
| Description | This specimen, 6 cm across, contains green natrochalcite and blue kroehnkite. It comes from Chuquicamata, Chile. These are both secondary copper minerals, generally forming in veins or as crusts associated with copper ore deposits. Natrochalcite has formula NaCu2(SO4)2(OH,H2O)2, and krohnkite has formula Na2Cu(SO4)2ยท2(H2O). |
| Location | Chile ▹ Antofagasta. Near Chuquicamata. |
| Photographer | Nessa Eull. 2001-06-06. |
| Collection | University of North Dakota Mineralogy Collection #7. |
| Key words | natrochalcite, kroehnkite, Chuquicamata |
| Tech details | 412 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 646 |
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