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

Additional References