Pickeringite from
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 328. |
| Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 62. |
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 328. |
| Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 62. |