Gypsum from selected localities.
USA | |
| DeVito, A. N. (1997), Minerals of the Canwood construction site, Agoura Hills, California. Micro Probe: 8(5): 2-10. |
| Housley, R. (2013), Eleven New Melanophlogite Pseudomorph Occurrences in Southern California, Mindat.org article 1772. |