Strontianite
de Villiers J P R
American Mineralogist 56 (1971) 758-767
Crystal structures of aragonite, strontianite, and witherite
_database_code_amcsd 0000234
5.090 8.358 5.997 90 90 90 Pmcn
atom     x     y      z Biso
Sr     .25 .4160  .7569 .508
C      .25 .7601 -.0864 .592
O1     .25 .9119 -.0946 .913
O2   .4694 .6821 -.0839 .797