Chalcocite from Pinal Mountains Mining District, Pinal Mountains, Gila County, Arizona, USA
USA | |
| Peterson, N.P. (1963), Geology of the Pinal Ranch quadrangle, USGS Bull. 1141-H: H14. |
| Wilson, E.D. (1941), AZ Bur. of Mines Bull. 148: 29. |
| Peterson, N.P. (1963), Geology of the Pinal Ranch quadrangle, USGS Bull. 1141-H: H13. |
| MRDS database Dep. ID #10027088, MRDS ID #M001974. |