Psilomelane from selected localities.
USA | |
| U.S Bureau of Mines/Spatial Data fron the Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995 |
| Stose,G.W., and Schrader,F.C.,(1923) Manganese Deposits Of East Tennessee: USGS Bulletin 737 |
Stose,G.W., and Schrader,F.C.,(1923) Manganese Deposits Of East Tennessee: USGS Bulletin 737 | |
Stose,G.W., and Schrader,F.C.,(1923) Manganese Deposits Of East Tennessee: USGS Bulletin 737 | |
Stose,G.W., and Schrader,F.C.,(1923) Manganese Deposits Of East Tennessee: USGS Bulletin 737 |