Citation: Della Ventura, G.; Bellatreccia, F.; Parodi, G. C.; Camara, F.; Piccinini, M. (2007). Single-crystal FTIR and X-ray study of vishnevite, ideally [Na6(SO4)][Na2(H2O)2](Si6Al6O24) Sample: Pi4. American Mineralogist, 92, pp. 713-721.
Formula: Al3 K1.29 Na1.88 O14.62 S0.29 Si3
List type: interleaving
List: 1-3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al6 K6 Na6 O24 Si6 (Al K Na O4 Si)
Multiplicity: 1
Basis: (0;0;1)
Dimensionality: 1
Formula: O14 S2 (O7 S)