Norbergite
Taylor W, West J
Zeitschrift fur Kristallographie 70 (1929) 461-474
The Structure of Norbergite
_cod_database_code 1011009
_database_code_amcsd 0017920
4.7 10.2 8.72 90 90 90 Pbnm
atom    x     y    z occ
O1    .25  .292 .083
O2    .25  .042  .25
O3   -.25  .208  .25
F1   -.25 -.042 .083  .5
O4   -.25 -.042 .083  .5
Mg1     0 -.361 .078
Mg2  .014 -.111  .25
Si1  .389 -.278  .25