Magnesio-hornblende from Mazatzal Domain, North America Plate
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 283 Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 92. Butler, B.S., et al. (1938b), Geology and ore deposits of the Tombstone district, AZ, AZ Bur. Mines Bull. 143 |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 283 Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 92. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 283 Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 92. |
| DeMark, Ramon S. (1989) Micromounting in New Mexico. The Mineralogical Record, 20 (1) 57-64 D.Court collection |
San Marcial Quarry, Socorro County, New Mexico, USA