Citation: Hassan, I.; Peterson, R. C.; Grundy, H. D. (1985). The structure of lazurite, ideally Na6Ca2(Al6Si6O24)S2, a member of the sodalite group. Acta Crystallographica, Section C, 41, pp. 827-832.
Formula: Al2.91 Ca0.6 Na3.48 O11.52 S Si3.09
List type: interleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al6 O48 Si12 (Al O8 Si2)
Multiplicity: 1
Formula: Ca8 Na24 O16 S2 (Ca4 Na12 O8 S)