Talc from
USA | |
| MRDS database Dep. ID file #10056453, MRDS ID #TC00272. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 388. |
| California Division of Mines and Geology Open-File Report 94-11 (1994): Mineral Land Classification of the Eastern Half of Riverside County, California. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |