Bicchulite
Sahl K
Zeitschrift fur Kristallographie 152 (1980) 13-21
Refinement of the crystal structure of bicchulite, Ca2[Al2SiO6](OH)2
Locality: synthetic
_database_code_amcsd 0010826
8.825 8.825 8.825 90 90 90 I-43m
atom     x     y     z occ  B(1,1) B(2,2) B(3,3) B(1,2)  B(1,3) B(2,3)
Ca   .1434 .1434 .1434      .00244 .00244 .00244 -.0008  -.0008 -.0008
Si     .25    .5     0 1/3   .0015  .0016  .0016      0       0      0
Al     .25    .5     0 2/3   .0015  .0016  .0016      0       0      0
O    .1407 .1407 .4220       .0032  .0032  .0027  .0003   .0002  .0002
Oh   .3845 .3845 .3845       .0030  .0030  .0030 -.0015  -.0015 -.0015
H     .328  .328  .328