Cerussite from Helvetia-Rosemont Mining District, Pima County, Arizona, USA
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 130, 136. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 50. Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 134 |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 158 Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 50. Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 132 |
Omega Mine, Monument Mountain, Helvetia, Helvetia-Rosemont Mining District, Pima County, Arizona, USA