Muscovite from Commonwealth Mine (Pearce Mine; Silver Ware Mine; Brockman Mine; Smith Mine; Rinaud Mine; Ritter Mine; Eisenhart vein), Pearce, Pearce Mining District, Pearce Hills, Sulphur Springs Valley, Cochise County, Arizona, USA
USA | |
| [var. Sericite] Howell, K.K. (1977) Geology and alteration of the Commonwealth mine, Cochise County, Arizona: Tucson, University of Arizona, M.S. thesis, 225 p. MRDS database Dep. ID file #10103554, MRDS ID #M030569. |