К минералам

RRUFF #871

Ammonioalunite

Элементы:NHAlSO
Valence:N^3-HAlS^6+O

Химия

IMA chemistry:
(NH4)Al3(SO4)2(OH)6
Valence chemistry:
N3-H4Al3(S6+O4)2(OH)6

Классификация

Crystal systems:
hexagonal
Space groups:
R3m
Structural group:
Alunite-Alunite
IMA status:
Approved

Происхождение

Country:
USA
Published:
1986
Oldest age Ma:
298.9
Paragenetic modes:
Abiotic, Biotic, Primary, Secondary, Stage 3b: Earth's earliest hydrosphere, PM14 - Hot springs & geysers, Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere, PM49 - Oxic cellular biomineralization, PM50 - Coal and/or oil shale minerals, Stage 10b: Anthropogenic minerals, PM54 - Coal and other mine fire minerals

Примечания

Altaner S P, Fitzpatrick J J, Krohn M D, Bethke P M, Hayba D O, Goss J A, Brown Z A (1988) Ammonium in alunites. American Mineralogist 73, 145-152