RRUFF #990

Aurorite

Элементы:Mn O H

Valence:Mn^2+Mn^4+O H

Химия

IMA chemistry:: Mn2+Mn4+3O7·3H2O
Valence chemistry:: Mn2+Mn4+3O7·3H2O

Классификация

Crystal systems:: hexagonal
Space groups:: R3
IMA status:: Approved

Происхождение

Country:: USA
Published:: 1966
Oldest age Ma:: 1349
Paragenetic modes:: Biotic, Secondary, Stage 7: Great Oxidation Event, PM47 - Low-T subaerial oxidative hydration/weathering

Примечания

Radtke A S, Taylor C M, Hewett D F (1967) Aurorite, argentian todorokite, and hydrous silver-bearing lead manganese oxide. Economic Geology 62, 186-206 Chemical formula changed from (Mn2+,Ag,Ca)Mn4+3O7·3H2O: Miyawaki R, Hatert F, Pasero M, Mills S J (2019) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 50. New minerals and nomenclature modifications approved in 2019. Mineralogical Magazine 83, 615-620