| Title | Chalcotrichite from Ray, Arizona |
| Description | Chalcotrichite, Cu2O, is a variety of cuprite. Here it exists in red veins in a hydrothermally altered rock from Ray, Arizona. This sample is 6 cm in longest dimension. |
| Location | USA ▹ Arizona. Near Ray. |
| Photographer | Shannon Heinle. 2001-02-12. |
| Collection | University of North Dakota Mineralogy Collection. |
| Key words | Chalcotrichite, Arizona |
| Tech details | 403 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 45 |
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