Lazurite
Hassan I, Peterson R C, Grundy H D
Acta Crystallographica C41 (1985) 827-832
The structure of lazurite, ideally Na6Ca2(Al6Si6O24)S2, a member of the
sodalite group
Locality: Baffin Island
_database_code_amcsd 0010010
9.054 9.054 9.054 90 90 90 P-43n
atom    x    y    z occ Uiso
Na1  .196 .196 .196 .43 .060
Na2  .245 .245 .245 .15 .035
Ca2  .245 .245 .245 .15 .035
Na3  .317 .317 .317 .29 .061
Al    .25    0   .5 .97 .037
Si    .25    0   .5 .03 .037
Si    .25   .5    0     .038
O1   .133 .144 .551 .37 .046
O2   .153 .161 .474 .40 .054
O3   .598 .598 .598 .36 .205
O4   .402 .402 .402 .21 .140
S       0    0    0     .137