Pyrite from Knox County, Tennessee, USA
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Econ Geol (1996) 91:355-367 |
Purdue, A.H. (1912) The Zinc Deposits Of Northeastern Tennessee Tennessee Geological Survey Bulletin 14 |
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Econ Geol (1996) 91:355-367 |
Purdue, A.H. (1912) The Zinc Deposits Of Northeastern Tennessee Tennessee Geological Survey Bulletin 14 |