Pyrolusite from selected localities.
USA | |
| Rolf Luetcke |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 342; Rasor, C.A. (1939), Manganese mineralization at Tombstone, AZ, Econ.Geol.: 34: 790-803; Romslo, T.M. & S.F. Ravitz (1947), Arizona manganese-silver ores, US Bur. of Mines Rept. Inv. 4097; Havens, R., et al (1954), Beneficiation of oxide manganese and manganese-silver ores from southern AZ, US Bur of Mines Rept. Inv. 5024; Hewett, D.F. & M. Fleischer (1960), Deposits of the manganese oxides, Econ.Geol.: 55: 1-55. | |
| Rolf Luetcke | |
| Rob Bowell, lab tested | |
| Rolf Luetcke | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 342; Butler, B.S., et al (1938b), Geology and ore deposits of the Tombstone district, AZ, AZ Bur. Mines Bull. 143; Rasor, C.A. (1939), Manganese mineralization at Tombstone, AZ, Econ.Geol.: 34: 790-803; Havens, R., et al (1954), Benefication of oxide manganese and manganese-silver ores from southern AZ, US Bur. Mines Rept. Inv. 5024; Romslo, T.M. & S.F. Ravitz (1947), Arizona manganese-silver ores, US Bur. Mines Rept. Inv. 4097: 7-8; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 30. | |
| MRDS database Dep. ID file #10102445, MRDS ID #M002211. | |
| Rolf Luetcke | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 342; Rasor, C.A. (1939), Manganese mineralization at Tombstone, AZ, Econ.Geol.: 34: 790-803; Romslo, T.M. & S.F. Ravitz (1947), Arizona manganese-silver ores, US Bur. Mines Rept. Inv. 4097; Havens, R., et al (1954), Benefication of oxide manganese and manganese-silver ores from southern Arizona, US Bur. Mines Rept. Inv. 5024; Butler, B.S., et al (1938b), Geology and ore deposits of the Tombstone district, AZ, AZ Bur. Mines Bull. 143: 84, Pl. IV; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 30. | |
| Rolf Luetcke |
Florida Mine group, Tombstone Mining District, Cochise County, Arizona, USA