Химия
- IMA chemistry:
- Mn4+(O,OH)2·(Co,Ni,Mg,Ca)x(OH)2x·nH2O
- Valence chemistry:
- Mn4+(O,OH)2·(Co3+,Ni2+,Mg,Ca)x(OH)2x·nH2O
Происхождение
- Country:
- ?
- Published:
- 1841
- Oldest age Ma:
- 2211
- Paragenetic modes:
- Abiotic, Biotic, Primary, Secondary, Stage 3b: Earth's earliest hydrosphere, PM16 - Low-T aqueous alteration, Stage 5: Initiation of plate tectonics, PM42 - Sea-floor Mn nodules, Stage 7: Great Oxidation Event, PM47 - Low-T subaerial oxidative hydration/weathering