Chalcopyrite from selected localities.
USA | |
| Sloto, R.A. (1989). Famous mineral localities: The Phoenixville, Lead silver mines, Chester County, Pennsylvania. The Mineralogical Record, 20(5), 369-386. |
| Sloto, R.A. (1989). Famous mineral localities: The Phoenixville, Lead silver mines, Chester County, Pennsylvania. The Mineralogical Record, 20(5), 369-386. |
| Sloto, R.A. (1989). Famous mineral localities: The Phoenixville, Lead silver mines, Chester County, Pennsylvania. The Mineralogical Record, 20(5), 369-386. | |
| Smith, II, R. C. Zinc and Lead Occurrences in Pennsylvania | |
| Heyl, A.V. (1984), Appendix in Evans, F.H., Highlights on the Life of Charles M. Wheatley: Mineralogical Society of Pennsylvania, 35-41. | |
| Collected 2010- David S. Bernstein |
| Sloto, R.A. (1989). Famous mineral localities: The Phoenixville, Lead silver mines, Chester County, Pennsylvania. The Mineralogical Record, 20(5), 369-386. | |
| Smith, J.L. (1855) Reexamination of American minerals: Part V — The minerals of the Wheatley mine in Pennsylvania. American Journal of Science and Arts, 20, 2nd ser., 242-253.; Sloto, R.A. (1989). Famous mineral localities: The Phoenixville, Lead silver mines, Chester County, Pennsylvania. The Mineralogical Record, 20(5), 369-386. | |
| Dana 6:1069; Min.Rec.:10(5):370-371; Rocks & Min.: 21:17. |
| Boucot, Arthur James (1949) Notes on the Ecton Mine, Montgomery County, Pennsylvania. Rocks & Minerals, 24(9-10), 492-495. | |
| Smith, R.C., II (1977). Zinc and lead occurrences in Pennsylvania. Pennsylvania Geological Survey, Mineral Resource Report 72, 318 pgs. |
Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA