Citation: Hammond, R. P.; Barbier, J. (1998). Monoclinic and hexagonal nepheline structures of (Na3/4K1/4)AlGeO4 Locality: synthetic Note: monoclinic nepheline. Acta Crystallographica, Section B, 54, pp. 211-220.
Formula: Al4 Ge4 K Na3 O16
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al8 Ge8 O32 (Al Ge O4)
Multiplicity: 1
Coordination sequences: