Citation: Dollase, W.A.; Thomas, W.M. (1978). The crystal chemistry of silica-rich, alkali-deficient nepheline. Contributions to Mineralogy and Petrology (23,1969-), 66, pp. 311-318.
Formula: Al6.24 Na7.26 O31.98 Si9.76
Chemical name: Na6.65 Al6.24 Si9.76 O32
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 O36 Si16 (Al4 O9 Si4)
Multiplicity: 1