Citation: Kato, T.; Ito, Y.; Hashimoto, N. (1989). The crystal structures of sonolite and jerrygibbsite. Neues Jahrbuch fur Mineralogie, Monatshefte, 1989, pp. 410-430.
Formula: Ca0.434 Fe0.052 H2 Mg0.88 Mn7.634 O18 Si4
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca18 Fe18 Mg18 Mn18 O36 Si8 (Ca9 Fe9 Mg9 Mn9 O18 Si4)
Multiplicity: 1