A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Copper and malachite |
|---|---|
| Description | This sample is mostly native copper, but it is tarnished and only shows copper coloration where a fresh surface was exposed when it was cut. The green mineral is malachite, Cu2(CO3)(OH)2, a common secondary mineral that forms by oxidation and carbonation of other copper minerals. This sample is 5.5 cm tall. |
| Photographer | Darla Sondrol. 2001-06-18. |
| Collection | University of North Dakota Mineralogy Collection. |
| Key words | copper, malachite |
| Tech details | 502 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 771 |
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