Muscovite
Catti M, Ferraris G, Hull S, Pavese A
European Journal of Mineralogy 6 (1994) 171-178
Powder neutron diffraction study of 2M_1 muscovite
at room pressure and at 2 GPa
Sample: P = 1 bar
_database_code_amcsd 0006533
5.2108 9.0399 20.021 90 95.76 90 C2/c
atom     x     y      z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
K        0 .0949    1/4 .90  2.1
Na       0 .0949    1/4 .07  2.1
Al   .2489 .0834 -.0010 .80  .61
Fe   .2489 .0834 -.0010 .11  .61
Mg   .2489 .0834 -.0010 .08  .61
Ti   .2489 .0834 -.0010 .01  .61
Si1  .4636 .9267  .1375 .80   .8
Al1  .4636 .9267  .1375 .20   .8
Si2  .4544 .2586  .1365 .80  1.2
Al2  .4544 .2586  .1365 .20  1.2
O1   .4284 .0934  .1687     1.20
O2   .2453 .8154  .1580     1.34
O3   .2475 .3663  .1695     1.48
O4   .4638 .9419  .0537      .69
O5   .3906 .2505  .0535      .82
O6   .4539 .5625  .0515     1.48
H    .3642 .6525  .0559      4.2  .0042  .0035  .0006  .0000  .0018  .0002