Citation: Szymanski, J. T.; Roberts, A. C. (1990). The crystal structure of szymanskiite, a partly disordered (Hg-Hg)2+, (Ni,Mg)2+ hydronium-carbonate-hydroxide-hydrate. The Canadian Mineralogist, 28, pp. 709-718.
Formula: C6 Hg8 Mg0.96 Ni2.04 O29.4
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: C6 Hg16 Mg6 Ni6 O30 (C3 Hg8 Mg3 Ni3 O15)
Multiplicity: 1
Coordination sequences: