Boracite
Ito T, Morimoto N, Sadanaga R
Acta Crystallographica 4 (1951) 310-316
The crystal structure of boracite
Locality: Stassfurt, Germany
_database_code_amcsd 0019539
8.54 8.54 12.07 90 90 90 *Pca2_1
.25 .25 0
atom    x     y     z
Mg1    .5     0  .981
Mg2  .231 -.269   .25
Mg3  .231  .269   .25
B11   .25 -.250     0
B12     0     0   .25
B13  -.25  .250     0
B21    .5  .330  .415
B22    .5 -.330  .415
B23  .170     0  .085
B24  .170     0 -.415
O1      0     0     0
O21  .082 -.278  .479
O22  .159  .201  .402
O23  .077 -.119  .320
O24  .418  .222  .479
O25  .341 -.299  .402
O26  .423  .381  .320
O27  .119  .076  .180
O28  .201 -.159  .098
O29  .222 -.418  .021
O210 .381 -.423  .180
O211 .299  .341  .098
O212 .278  .082  .021
Cl   .524     0  .262