Wesselsite
Knight K S, Henderson C M B, Clark S M
European Journal of Mineralogy 22 (2010) 411-423
Structural variations in the wesselsite-effenbergerite (Sr1-xBaxCuSi4O10)
solid solution
Locality: synthetic
Sample: x = .105
_database_code_amcsd 0018768
7.36858 7.36858 15.6346 90 90 90 *P4/ncc
.25 -.25 0
atom     x     y     z  occ Uiso
Ba     .25   .75     0 .105 .062
Sr     .25   .75     0 .895 .062
Cu     .25   .25 .0893      .076
Si   .5089 .9309 .1510      .028
O1   .4512 .9829 .2463   .5 .077
O2   .7155 .0012 .1317      .083
O3   .3684 .0199 .0868      .084