Serpentine Subgroup from Sierrita Mountains, Pima County, Arizona, USA
USA | |
| Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 49. |
| MRDS database Dep. ID file #10039593, MRDS ID #M050388. |
| Galbraith, F. W. (1947) Minerals of Arizona (Second Edition, Revised) University of Arizona Bulletin 153. Arizona Bureau of Mines |