Hedenbergite from Gordon Camp, Middle Pass Mining District, Cochise County, Arizona, USA
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 210-211. |
(1951, July) Arizona Zinc and Lead Deposits - Part II. University of Arizona Bulletin 158. Arizona Bureau of Mines |
San Juan Mine, Gordon Camp, Middle Pass Mining District, Cochise County, Arizona, USA