Citation: Alberti, A.; Galli, E. (1980). The structure of nekoite, Ca3Si6O15*7H2O, a new type of sheet silicate. American Mineralogist, 65, pp. 1270-1276.
Formula: Ca3 H14 O22 Si6
List type: noninterleaving
List: 2D
Basis: (0;1;0 0;0;1)
Dimensionality: 2
Formula: O15 Si6 (O5 Si2)
Multiplicity: 1
Coordination sequences: