Humberstonite
Burns P C, Hawthorne F C
The Canadian Mineralogist 32 (1994) 381-385
The crystal structure of humberstonite, a mixed sulfate-nitrate mineral
_database_code_amcsd 0005366
10.9055 10.9055 24.3949 90 90 120 R-3
atom     x    y     z Biso
N      1/3  2/3 .0926  2.1
S    .3437 .171 .2747  1.0
K       .5    0     0   .9
Mg       0    0     0   .3
Na1      0    0 .1250  1.6
Na2  .6459 .821 .0917   .9
O1    .501 .257 .2754   .9
O2    .285 .128 .3274   .9
O3    .287 .248  .246   .9
O4    .308 .033  .242   .9
O5    .093 .895 .1693   .9
O6    .417 .797 .0958   .9