A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Native copper, malachite, azurite from the Black Hills, South Dakota, USA |
|---|---|
| Description | This specimen of copper ore contains native copper (tarnished very dark reddish brown), green malachite (Cu2(CO3)(OH)2) and blue azurite (Cu3(CO3)2(OH)2). It is about 9 cm across. Native copper, while being an ideal ore mineral, is relatively rare. Most copper ores contain malachite, azurite, or any of a number of copper-bearing sulfide minerals. |
| Location | USA ▹ South Dakota. Black Hills. |
| Photographer | Darla Sondrol. 2001-06-26. |
| Collection | University of North Dakota Mineralogy Collection. |
| Key words | porphyry copper ore, copper, native copper, malachite, azurite, South Dakota, Black Hills |
| Tech details | 845 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 895 |
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