Pyrolusite from Monroe County, Tennessee, USA
USA | |
| Paris, Travis A. (2011) Tennessee Mineral Locality Index. Rocks & Minerals, 86 (4) 300-329 doi:10.1080/00357529.2010.517132 |
| Stose,G.W., and Schrader,F.C.,(1923) Manganese Deposits Of East Tennessee: USGS Bulletin 737 |