Gypsum from selected localities.
USA | |
| Keith, S.B. (1972), Mineralogy and paragenesis of the 79 mine lead-zinc-copper deposit, Min.Rec.: 3: 247-264. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 270. |
| MRDS database Dep. ID #10102439, MRDS ID #M002098. |