К минералам

RRUFF #877

Anandite

Элементы:BaFeSiOSH
Valence:BaFe^2+SiFe^3+OS^2-H

Химия

IMA chemistry:
BaFe2+3(Si3Fe3+)O10S(OH)
Valence chemistry:
BaFe2+3(Si3Fe3+)O10S2-(OH)

Классификация

Crystal systems:
orthorhombic, monoclinic
Space groups:
Am, Pnmn
Structural group:
Mica, Clay
IMA status:
Approved

Происхождение

Country:
Sri Lanka
Published:
1966
Oldest age Ma:
542
Paragenetic modes:
Abiotic, Biotic, Secondary, Stage 4a: Earth's earliest continental crust, PM31 - Contact metamorphism, Stage 10b: Anthropogenic minerals, PM56 - Slag and smelter minerals

Примечания

Pattiaratchi D B, Saari E, Sahama T G (1967) Anandite, a new barium iron silicate from Wilagedera, North Western Province, Ceylon. Mineralogical Magazine 36, 1-4