Sphalerite from Pinal Mountains Mining District, Pinal Mountains, Gila County, Arizona, USA
USA | |
| Peterson, N.P. (1963), Geology of the Pinal Ranch quadrangle, USGS Bull. 1141-H: H13-H14. |
| Wilson, E.D. (1941), Tungsten Deposits of Arizona. Arizona Bureau of Mines Bull. 148 MRDS database Dep. ID #10009943, MRDS ID #D003242. |
| A.I.M.E. Ore Deposits of the Western States (1933): 605. Univ. of AZ Bull. 41 (1916-17), Mineralogy iof Useful Minerals in AZ: 56 |
MRDS database Dep. ID #10046328, MRDS ID #M241240. | |
| Peterson, N.P. (1963), Geology of the Pinal Ranch quadrangle, USGS Bull. 1141-H: H14. |
| MRDS database Dep. ID #10046323, MRDS ID #M241231. |