Cuspidine
Smirnova R F, Rumanova I M, Belov N V
Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 84 (1955) 159-169
Crystal structure of cuspidine
_database_code_amcsd 0018274
7.55 10.43 10.85 90 69.93 90 P2_1/c
atom     x    y     z
Ca1   .172 .133  .420
Ca2   .663 .129  .420
Ca3   .473 .412  .312
Ca4  -.035 .408  .308
Si1   .273 .192  .127
Si2   .848 .192  .128
O1    .065 .208  .125
O2    .303 .042  .155
O3    .813 .042  .155
O4    .280 .280  .246
O5    .720 .280  .246
O6    .415 .240 -.015
O7   -.145 .240 -.015
F1    .575 .510  .100
F2    .075 .510  .100