Pyrolusite from Grants Mining District, New Mexico, USA
USA | |
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |
| DeMark, Ramon S. (1989) Micromounting in New Mexico. The Mineralogical Record, 20 (1) 57-64 |