Citation: Kato, T.; Ito, Y.; Hashimoto, N. (1989). The crystal structures of sonolite and jerrygibbsite Note: O12 z-coordinate changed to reproduce reported bond lengths. Neues Jahrbuch fur Mineralogie, Monatshefte, 1989, pp. 410-430.
Formula: H2 Mn9 O18 Si4
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Mn36 O72 Si16 (Mn9 O18 Si4)
Multiplicity: 1
Coordination sequences: