Birnessite from California, USA
USA | |
| AmMin 56:1057 |
U.S. Borax | |
| Flohr, Marta J. (1990) Microbanded manganese formations Huebner, J. Stephen protoliths in the Franciscan Complex, California USGS Professional Paper 1502. |
USA | |
| AmMin 56:1057 |
U.S. Borax | |
| Flohr, Marta J. (1990) Microbanded manganese formations Huebner, J. Stephen protoliths in the Franciscan Complex, California USGS Professional Paper 1502. |
Boron, Kern County, California, USA