Mindat Short Description
Meta-autunite Group.
A rare secondary mineral in the oxidized zones of arsenic-bearing hydrothermal uranium deposits. Commonly originates due to dehydration of zeunerite.
Geoscience Ontology Status Notes
Frondel J W (1951) Studies of uranium minerals (VII): Zeunerite, American Mineralogist 36, 249-255
IMA Formula (from Mindat)
Cu(UO2)2(AsO4)2 · 8H2O
RRUFF Formula (from Geoscience Ontology)
Cu2+(U6+O2)2(As5+O4)2·8H2O