Citation: Siidra, O. I.; Zenko, D. S.; Krivovichev, S. V. (2014). Structural complexity of lead silicates: Crystal structure of Pb21[Si7O22]2[Si4O13] and its comparison to hyttsjoite. American Mineralogist, 99, pp. 817-823.
Formula: O57 Pb21 Si18
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: O116 Pb54 Si38 (O58 Pb27 Si19)
Multiplicity: 1