RRUFF #973

Asisite

Элементы:Pb Si O Cl

Valence:Pb^2+Si O Cl

Химия

IMA chemistry:: Pb7SiO8Cl2
Valence chemistry:: Pb2+7SiO8Cl2

Классификация

Crystal systems:: tetragonal
Space groups:: I4, mmm
Structural group:: Asisite
IMA status:: Approved

Происхождение

Country:: Namibia
Published:: 1987
Oldest age Ma:: 601
Paragenetic modes:: Biotic, Secondary, Stage 7: Great Oxidation Event, PM47 - Low-T subaerial oxidative hydration/weathering

Примечания

Rouse R C, Peacor D R, Dunn P J, Criddle A J, Stanley C J, Innes J (1988) Asisite, a silicon-bearing lead oxychloride from the Kombat mine, South West Africa (Namibia). American Mineralogist 73, 643-650