| | Pyrolusite | - MnO2 |
| Cryptomelane | - KMn8O16 [15] . | |
| Psilomelane | - (Ba, H2O)2 Mn5O10 [16] [17] . | |
| HYDROXIDES | Vredenburgite | - 3Mn3O4・2Fe2O3 |
| Manganite | - g -MnOOH | |
| LOWER OXIDES | Hollandite | - BaR8O16, R = Mn4+ MAINLY, ALSO Mn2+, Fe, Co [18] . |
| Braunite | - 3Mn2O3, MnSiO3 or Mn2+ (Mn4+ Si4+)O3 [19] . | |
| Bixbyite | - (Mn, Fe)2O3 | |
| Jacobsite | - MnFe2O4 | |
| SILICATES | Hausmannite | - Mn3O4 |
| Spessartite | - Mn3Al2-(SiO4)3 | |
| CARBONATE | Rhodonite | - MnO・SiO2 |
| Rhodochrosite | - MnCO3 |