RRUFF #801

Agardite-(La)

Элементы:La Cu As O H

Valence:Cu^2+La^3+As^5+O H

Химия

IMA chemistry:: LaCu2+6(AsO4)3(OH)6·3H2O
Valence chemistry:: Cu2+6La3+(As5+O4)3(OH)6·3H2O

Классификация

Crystal systems:: hexagonal
Space groups:: P63, m
Structural group:: Mixite
IMA status:: Approved

Происхождение

Country:: USA
Published:: 1980
Oldest age Ma:: 359
Paragenetic modes:: Biotic, Secondary, Stage 7: Great Oxidation Event, PM47 - Low-T subaerial oxidative hydration/weathering

Примечания

Modreski P J (1983) Agardite-(La), a chemically complex rare-earth arsenate from the Gallinas district, Lincoln County, New Mexico. in Anthony J W, Editor, Oxidation mineralogy of base metal deposits, Fifth Joint Mineralogical Society of America – Friends of Mineralogy Symposium (Tucson, Arizona)