Item talk:Q162181
From geokb
Mindat Short Description
Meta-autunite Group. Chemically the As analogue of meta-ankoleite (both crystallize in the same point group).
A rare secondary uranium mineral.
Geoscience Ontology Status Notes
Thompson M E, Ingram B, Gross E B (1956) Abernathyite, a new uranium mineral of the metatorbernite group, American Mineralogist 41, 82-90 Chemical formula revised from K(UO2)AsO4·4H2O: Ross M, Evans H T (1964) Studies of the torbernite minerals (I): The crystal structure of abernathyite and the structurally related compounds NH4(UO2AsO4)·3H2O and K(H3O)(UO2AsO4)2·6H2O, American Mineralogist 49, 1578-1602
IMA Formula (from Mindat)
K(UO2)(AsO4) · 3H2O
RRUFF Formula (from Geoscience Ontology)
K(U6+O2)As5+O4·3H2O