Talc from selected localities.
USA | |
| Rocks & Min.: 17:340. |
| Mineralogy of Pennsylvania-1976; Robert C. Smith, pg. 88; Econ Geol (1985) 80:418-443 |
| Mineralogical Record, 25(2),pp:105-120. |
| Piatak, N. M., & Seal II, R. R. (2012). Mineralogy and environmental geochemistry of historical iron slag, Hopewell Furnace National Historic Site, Pennsylvania, USA. Applied geochemistry, 27(3), 623-643. |
Piatak, N. M., & Seal II, R. R. (2012). Mineralogy and environmental geochemistry of historical iron slag, Hopewell Furnace National Historic Site, Pennsylvania, USA. Applied geochemistry, 27(3), 623-643. |
Grace Mine, Morgantown, Berks County, Pennsylvania, USA