Citation: Kahlenberg, V.; Bohm, H. (1998). Crystal structure of hexagonal trinepheline - A new synthetic NaAlSiO4 modification. American Mineralogist, 83, pp. 631-637.
Formula: Al Na 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: