Boromuscovite
Liang J, Hawthorne F C, Novak M, Cerny P
The Canadian Mineralogist 33 (1995) 859-865
Crystal-structure refinement of boromuscovite polytypes using a coupled
Rietveld-static-structure energy-minimization method
Sample: 1M polytype
Locality: Recice, Czech Republic
_database_code_amcsd 0005446
5.102 8.788 10.076 90 101.23 90 C2/m
atom    x    y    z occ Biso
Al      0 .666    0 .41  .62
SiT  .437 .674 .272 .75  .12
BT   .437 .674 .272 .25  .12
K      .5    0   .5 .20  .26
OH   .433    0 .100      .35
O1   .347 .715 .116      .37
O2   .192 .726  .33      .68
O3   .520   .5 .287      .38