К минералам

RRUFF #1035

Bariopharmacosiderite

Элементы:BaFeAsOH
Valence:BaFe^3+As^5+OH

Химия

IMA chemistry:
Ba0.5Fe3+4(AsO4)3(OH)4·5H2O
Valence chemistry:
Ba0.5Fe3+4(As5+O4)3(OH)4·5H2O

Классификация

Crystal systems:
tetragonal, cubic
Space groups:
P43m, P42m
Structural group:
Pharmacosiderite
IMA status:
Approved, Redefined

Происхождение

Country:
Germany
Published:
1966
Oldest age Ma:
1610
Paragenetic modes:
Biotic, Secondary, Stage 7: Great Oxidation Event, PM47 - Low-T subaerial oxidative hydration/weathering

Примечания

Walenta K (1966) Beiträge zur Kenntnis seltener Arsenatmineralien unter besonderer Berücksichtigung von Vorkommen des Schwarzwaldes. Tschermaks Mineralogische und Petrographische Mitteilungen 11, 121-164 Name changed from barium-pharmacosiderite: Burke E A J (2008) Tidying up mineral names: An IMA-CNMNC scheme for suffixes, hyphens and diacritical marks. The Mineralogical Record 39, 131-135