К минералам

RRUFF #1019

Bannermanite

Элементы:NaKVO
Valence:NaKV^4+V^5+O

Химия

IMA chemistry:
(Na,K)xV4+xV5+6-xO15 (0.5
Valence chemistry:
(Na,K)xV4+xV5+6-xO15 (0.5

Классификация

Crystal systems:
monoclinic
Space groups:
C2, m
IMA status:
Approved

Происхождение

Country:
El Salvador
Published:
1980
Oldest age Ma:
28
Paragenetic modes:
Biotic, Secondary, Stage 7: Great Oxidation Event, PM45 - Oxidized fumarolic minerals, PM47 - Low-T subaerial oxidative hydration/weathering, Stage 10b: Anthropogenic minerals, PM56 - Slag and smelter minerals

Примечания

Hughes J M, Finger L W (1983) Bannermanite, a new sodium-potassium vanadate isostructural with β-NaxV6O15. American Mineralogist 68, 634-641