Citation: Tait, K. T.; Yang, H.; Downs, R. T.; Li, C.; Pinch, W. W. (2010). The crystal structure of esperite, with a revised chemical formula, PbCa2(ZnSiO4)3, isostructural with beryllonite. American Mineralogist, 95, pp. 699-705.
Formula: Ca2 O12 Pb Si3 Zn3
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: O48 Pb4 Si12 Zn12 (O12 Pb Si3 Zn3)
Multiplicity: 1
Coordination sequences: