Citation: Vulic, P.; Kahlenberg, V.; Konzett, J. (2008). On the existence of a Na-deficient monoclinic trinepheline with composition Na7.85Al7.85Si8.15O32. American Mineralogist, 93, pp. 1072-1079.
Formula: Al Na0.981 O4 Si
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al24 O96 Si24 (Al O4 Si)
Multiplicity: 1
Coordination sequences: