Microsommite
Bonaccorsi E, Comodi P, Merlino S
Physics and Chemistry of Minerals 22 (1995) 367-374
Thermal behaviour of davyne-group minerals
Sample: T = 943 K
_database_code_amcsd 0007926
12.871 12.871 5.371 90 90 120 P6_3/m
atom      x     y     z occ Uiso
Ca      1/3   2/3   3/4     .036
Cl     .303  .628   .25 1/3 .097
Na     .158  .317   .25  .5 .077
K      .231  .119   3/4 .33 .106
Na     .231  .119   3/4 .17 .106
S1        0     0   .25 .44 .091
OA        0     0     0 .15  .10
OB    .0603 .0985 .1061 .18  .12
OC    .0358 .1224   .25 .09  .10
Cl'   .0297 -.828 .8818 .02  .08
Si    .3298 .4124   3/4     .016
Al    .0715 .4122   3/4     .017
O1    .2096 .4219   3/4     .035
O2    .1085 .5615   3/4     .035
O3   -.0083 .3312 1.009     .035