Swedenborgite
Huminicki D M C, Hawthorne F C
The Canadian Mineralogist 39 (2001) 153-158
Refinement of the crystal structure of swedenborgite
_database_code_amcsd 0005708
5.4317 5.4317 8.8571 90 90 120 P6_3mc
atom     x     y     z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Sb     1/3   2/3     0      .0033  .0033  .0032  .0017      0      0
Na     1/3   2/3 .6245 .89  .0154  .0154  .0152  .0077      0      0
Ca     1/3   2/3 .6245 .04  .0154  .0154  .0152  .0077      0      0
Be1      0     0 .0629      .0035  .0035  .0044  .0017      0      0
Be2  .1664 .8336 .3126      .0047  .0047  .0059  .0019  .0009 -.0009
O1       0     0 .3728      .0056  .0056  .0056  .0028      0      0
O2   .4961 .5039 .3706      .0046  .0046  .0080  .0020 -.0023  .0023
O3   .1616 .8384 .1269      .0077  .0077  .0049  .0060 -.0002  .0002