К минералам

RRUFF #815

Akhtenskite

Элементы:MnO
Valence:Mn^4+O

Химия

IMA chemistry:
MnO2
Valence chemistry:
Mn4+O2

Классификация

Crystal systems:
hexagonal
Space groups:
P63mc
Structural group:
Feroxyhyte
IMA status:
Approved

Происхождение

Country:
Russia
Published:
1982
Oldest age Ma:
63.5
Paragenetic modes:
Abiotic, Biotic, Primary, Secondary, Stage 4a: Earth's earliest continental crust, PM32 - Ba-Mn-Pb-Zn metamorphics, Stage 5: Initiation of plate tectonics, PM42 - Sea-floor Mn nodules, Stage 7: Great Oxidation Event, PM47 - Low-T subaerial oxidative hydration/weathering

Примечания

Chukhrov F V, Gorshkov A I, Sivtsov A V, Berezovskaya V V, Dikov Y P, Dubinina G A, Varinov N N (1989) Akhtenskite – The natural analog of ε–MnO 2 , Izvestiya Akademii Nauk SSSR 9, 75-80