Quartz from Mapimí Municipality, Durango, Mexico
Mexico | |
| Excellon Resources |
| Self-collected samples by Carlos Medina. |
| Panczner(1987):361-362. |
Hoffmann, Victor Joseph (1968) The Mineralogy of the Mapimi Mining District, Durango, Mexico. Ph.D. Thesis, University of Arizona, 230 pgs. Rocks & Min.: 56:247. | |
| Rob Lavinsky photo |
Megaw, Peter (2023) Personal Communication. | |
| [var. Chalcedony] Checked selfcollected samples Personally collected by Carlos Medina in March '09 |
Ojuela Mine, Mapimí, Mapimí Municipality, Durango, Mexico