Itsiite
Kampf A R, Peterson R C, Joy B R
The Canadian Mineralogist 52 (2014) 401-407
Itsiite, Ba2Ca(BSi2O7)2, a new mineral species from Yukon, Canada: description
and crystal structure
Locality: Itsi Range, Yukon Territory, Canada
_database_code_amcsd 0020420
10.9515 10.9515 10.3038 90 90 90 I-42m
atom      x      y      z   Uiso U(1,1) U(2,2) U(3,3)  U(1,2) U(1,3) U(2,3)
Ba   .20510 .20510 .99881 .00998 .00937 .00937 .01120 -.00020 .00087 .00087
Ca        0      0 .24310  .0092  .0077  .0077  .0121  -.0012      0      0
Si   .51470 .20071 .23644 .00622  .0052  .0047  .0088  -.0004  .0004  .0003
B        .5  .3320      0  .0044  .0022  .0053  .0055       0   .001      0
O1    .4056  .4056  .0665  .0075  .0069  .0069  .0087   .0018  .0006  .0006
O2    .5605  .2525  .0980  .0100  .0081  .0103  .0114   .0014  .0015  .0036
O3    .4973  .3022  .3454  .0112  .0128  .0093  .0117   .0031 -.0019 -.0014
O4    .6233  .1106  .2880  .0140  .0146  .0119  .0154   .0059 -.0030  .0010