RRUFF #803

Agardite-(Y)

Элементы:Y Cu As O H

Valence:Cu^2+YAs^5+O H

Химия

IMA chemistry:: YCu2+6(AsO4)3(OH)6·3H2O
Valence chemistry:: Cu2+6Y(As5+O4)3(OH)6·3H2O

Классификация

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

Происхождение

Country:: Morocco
Published:: 1968
Oldest age Ma:: 1861
Paragenetic modes:: Biotic, Secondary, Stage 7: Great Oxidation Event, PM47 - Low-T subaerial oxidative hydration/weathering

Примечания

Dietrich J E, Orliac M, Permingeat F (1969) L’agardite, une nouvelle espèce minérale, et le problème du chlorotile, Bulletin de la Société Française de Minéralogie et de Cristallographie 92, 420-434 Name changed from agardite: Nickel E H, Mandarino J A (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature. American Mineralogist 72, 1031-1042