Wad from selected localities.
USA | |
| Ross, Clyde P. (1925a) Ore deposits of the Saddle Mountain and Banner Mining Districts, Arizona. USGS Bull. 771. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 252.; Ross, Clyde P. (1925a) Ore deposits of the Saddle Mountain and Banner Mining Districts, Arizona. USGS Bull. 771. |