| Lat / long: | 26.98475, -104.95105 |
| Primary: | Gemstone |
| Other material: | Opal |
| Operation type: | Unknown |
| Production size: | Unknown |
| Development status: | Occurrence |
| Host type: | Rhyolite |
| Associated type: | Andesite |
| MRDS | MX02911 |
| DEP | 10049749 |
| Reference | {Deposit:: SAN JOSE LAS AFARFAS G13B51, 1977, 1:50,000 GEOLOGIC QUADRANGL}{Other Database:: CIMRI} |
| Reporter | Kibbe, R.D. (Staude, J-M.G.) |