Carlfriesite
Effenberger H, Zemann J, Mayer H
American Mineralogist 63 (1978) 847-852
Carlfriesite: crystal structure, revision of chemical formula, and synthesis
_database_code_amcsd 0000684
12.576 5.662 9.994 90 115.56 90 C2/c
atom      x      y      z Biso  B(1,1)  B(2,2)  B(3,3)   B(1,2)  B(1,3)   B(2,3)
Te1  .71563 .58751 .85825      .001651 .006691 .002070 -.000023 .000875 -.000421
Te2       0      0      0      .001031 .005186 .000895 -.000241 .000269 -.000010
Ca        0  .4404    .25      .000660 .003509 .001353        0 .000073        0
O1    .0804  .2183  .6616  .76
O2    .0980  .2441  .1171  .83
O3    .1043  .0928  .4068  .56
O4    .6839  .1042  .4098  .67