RRUFF #1027

Bariandite

Элементы:Al V O H

Valence:AlV^5+V^4+O H

Химия

IMA chemistry:: Al0.6(V5+,V4+)8O20·9H2O
Valence chemistry:: Al0.6(V5+,V4+)8O20·9H2O

Классификация

Crystal systems:: monoclinic
Space groups:: C2, c
Structural group:: Straczekite
IMA status:: Approved

Происхождение

Country:: Gabon
Published:: 1970
Oldest age Ma:: 1840
Paragenetic modes:: Biotic, Secondary, Stage 7: Great Oxidation Event, PM47 - Low-T subaerial oxidative hydration/weathering, Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere, PM53 - Other minerals with taphonomic origins

Примечания

Cesbron F, Vachey H (1971) La bariandite, nouvel oxyde hydraté de vanadium (IV) et (V). Bulletin de la Société Française de Minéralogie et de Cristallographie 94, 49-54