| Title | Chalcophanite, limonite and adamite from Durango, Mexico |
| Description | Black chalcophanite with redddish brown limonite and minor (whitish) adamite. Chalcophanite is a hydrated zinc-iron-manganese oxide, limonite is a mixture of various iron oxides and hydroxides, adamite is a (normally light green) zinc-arsenic hydroxide. This specimen is 5.5 cm across. |
| Location | Mexico ▹ Durango |
| Photographer | Darla Sondrol. 2001-02-14. |
| Collection | University of North Dakota Mineralogy Collection #538. |
| Key words | chalcophanite, limonite, adamite |
| Tech details | 509 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 62 |
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