Citation: Yang, H.; Konzett, J.; Prewitt, C. T.; Fei, Y. (1999). Single-crystal structure refinement of synthetic K-substituted potassic richterite, K(KCa)Mg5Si8O22(OH)2. American Mineralogist, 84, pp. 681-684.
Formula: Ca H2 K3 Mg5 O24 Si8
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: H4 Mg10 O48 Si16 (H2 Mg5 O24 Si8)
Multiplicity: 1
Coordination sequences: