A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Chalcocite with malachite, Butte, Montana |
|---|---|
| Description | This sample contains mostly fine grained chalcocite, Cu2S (one kind of copper sulfide). Although somewhat rare, chalcocite is an important copper ore mineral that has been mined for centuries. In this specimen, 10 cm across, it is accompanied by a small amount of vivid green malachite, Cu2(CO3)(OH)2 (copper carbonate hydroxide). |
| Location | USA ▹ Montana. Near Butte. |
| Photographer | Darla Sondrol. 2001-07-10. |
| Collection | University of North Dakota Mineralogy Collection #156. |
| Key words | chalcocite, malachite, Montana |
| Tech details | 625 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 1091 |
 | |