Citation: Mills, S. J.; Kampf, A. R.; Poirier, G.; Raudsepp, M.; Steele, I. M. (2010). Auriacusite, Fe3+Cu2+AsO4O, the first M3+ member of the olivenite group, from the Black Pine mine, Montana, USA. Mineralogy and Petrology, 99, pp. 113-120.
Formula: As Cu1.45 Fe0.55 O5
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: As4 Cu8 Fe4 O32 (As Cu2 Fe O8)
Multiplicity: 1