|
USA | |
| (1958) Systematic mineralogy of uranium and thorium. Bulletin Vol. 1064. US Geological Survey doi:10.3133/b1064 |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 405. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 405 Hutton, C.O. (1957), Sengierite from Bisbee, AZ, Am.Min.: 42: 408-411. |
Bisbee, Cochise County, Arizona, USA