Citation: Auernhammer, M.; Effenberger, H.; Hentschel, G.; Reinecke, T.; Tillmanns, E. (1993). Nickenichite, a new arsenate from the Eifel, Germany. Mineralogy and Petrology, 48, pp. 153-166.
Formula: As3 Ca0.41 Cu0.39 Fe0.55 Mg2.45 Na0.76 O12
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: As12 Ca4 Cu4 Fe12 Mg12 O48 (As3 Ca Cu Fe3 Mg3 O12)
Multiplicity: 1
Coordination sequences: