Citation: Mellini, M.; Merlino, S. (1978). Caysichite: A double crankshaft chain structure. The Canadian Mineralogist, 16, pp. 81-88.
Formula: C3 H8.5 Ca1.5 O23 Si4 Y2.5
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: C12 Ca8 O92 Si16 Y16 (C3 Ca2 O23 Si4 Y4)
Multiplicity: 1