Psilomelane from selected localities.
USA | |
| Farnham, L.L. & L.A. Stewart (1958), Manganese deposits of western Arizona, US Bur. Mines Inf. Circ. 7843: 53; MRDS file #10027698. |
MRDS file #10027697. |
USA | |
| Farnham, L.L. & L.A. Stewart (1958), Manganese deposits of western Arizona, US Bur. Mines Inf. Circ. 7843: 53; MRDS file #10027698. |
MRDS file #10027697. |