К минералам

RRUFF #1021

Bararite

Элементы:NHSiF
Valence:N^3-HSiF

Химия

IMA chemistry:
(NH4)2SiF6
Valence chemistry:
(N3-H4)2SiF6

Классификация

Crystal systems:
hexagonal
Space groups:
R3m, P3m1
IMA status:
Approved, Grandfathered

Происхождение

Country:
India
Published:
1951
Oldest age Ma:
387
Paragenetic modes:
Biotic, Stage 7: Great Oxidation Event, PM45 - Oxidized fumarolic minerals, Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere, PM50 - Coal and/or oil shale minerals, Stage 10b: Anthropogenic minerals, PM54 - Coal and other mine fire minerals

Примечания

Palache C, Berman H, Frondel C (1951) 11.4.2.2 Bararite [(NH4)2SiF6]. in The System of Mineralogy, Volume II, Seventh Edition John Wiley and Sons, Inc (New York) 106-107