RRUFF #961

Arthurite

Элементы:Cu Fe As O H

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

Химия

IMA chemistry:: CuFe3+2(AsO4)2(OH)2·4H2O
Valence chemistry:: Cu2+Fe3+2(As5+O4)2(OH)2·4H2O

Классификация

Crystal systems:: monoclinic
Space groups:: P21, c
Structural group:: Arthurite
IMA status:: Approved

Происхождение

Country:: United Kingdom
Published:: 1964
Oldest age Ma:: 541
Paragenetic modes:: Biotic, Secondary, Stage 7: Great Oxidation Event, PM47 - Low-T subaerial oxidative hydration/weathering

Примечания

Davis R J, Hey M H (1964) Arthurite, a new copper-iron arsenate from Cornwall. Mineralogical Magazine 33, 937-941 Chemical formula revised: Davis R J, Hey M H (1969) The cell-contents of arthurite redetermined. Mineralogical Magazine 37, 520-521