A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Chalcanthite, CuSO4ยท5H2O, from Butte, Montana |
|---|---|
| Description | Chalcanthite, a hydrated copper sulfate, is water soluble. It forms as a secondary mineral in copper deposits and, in arid regions such as northern Chile, chalcanthite is a major ore. In many copper mines, chalcanthite is an ongoing precipitate forming encrustations, aggregates and stalactites on the sides of the mine's shafts. The largest of the crusty nodules shown is 2 cm across. |
| Location | USA ▹ Montana ▹ Silver Bow. Near Butte. |
| Photographer | Nessa Eull. 2001-06-06. |
| Collection | University of North Dakota Mineralogy Collection #829. |
| Key words | chalcanthite, Montana |
| Tech details | 201 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 652 |
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