Amethyst from Chihuahua, Mexico
Mexico | |
| Karel Bal Collection |
| Mike Dennis |
| Sotelo, C. M. (2016). Geology and mineralization controls surrounding the Palmarejo mining district-A compilation of remote and hands on exploration techniques. The University of Texas at El Paso. |
| Bill Dameron photo |
| Megaw, Peter (2023) Personal Communication. |
| Rob Lavinsky, Carles Curto Milà, and AM Mizunaka specimens. |
Megaw, Peter (2023) Personal Communication. |
Las Choyas, Aldama Municipality, Chihuahua, Mexico