Plazolite
Pabst A
American Mineralogist 22 (1937) 861-868
The crystal structure of plazolite
_database_code_amcsd 0000017
12.140 12.140 12.140 90 90 90 Ia-3d
atom    x    y   z  occ
Al      0    0   0
Ca    .25 .125   0
Si    .25 .375   0 .667
O    .035 .040 .65