Citation: Takeuchi, Y.; Kudoh, Y.; Yamanaka, T. (1976). Crystal chemistry of the serandite-pectolite series and related minerals. American Mineralogist, 61, pp. 229-237.
Formula: Ca0.18 Mn1.82 Na O9 Si3
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca4 Mn4 O18 Si6 (Ca2 Mn2 O9 Si3)
Multiplicity: 1
Coordination sequences: