Barite
Antao S M
American Mineralogist 97 (2012) 661-665
Structural trends for celestite (SrSO4), anglesite (PbSO4), and barite (BaSO4):
confirmation of expected variations within SO4 groups
Locality: Elk Creek, South Dakota, USA
_database_code_amcsd 0018846
7.15505 8.88101 5.45447 90 90 90 Pbnm
atom      x      y     z  occ   Uiso
Ba   .15803 .18445   .25 .985 .01120
Sr   .15803 .18445   .25 .007 .01120
Mg   .15803 .18445   .25 .002 .01120
Ca   .15803 .18445   .25 .002 .01120
S    .19161 .43803   .75       .0061
O1    .1081  .5874   .75       .0178
O2    .0480  .3187   .75       .0104
O3    .3101  .4200 .9695       .0086