Muscovite
Guggenheim S, Chang Y H, Koster van Groos A F
American Mineralogist 72 (1987) 537-550
Muscovite dehydroxylation: High-temperature studies
Sample: T = 20 deg C, from Diamond mine, Keystone, South Dakota
_database_code_amcsd 0001076
5.200 9.021 20.07 90 95.71 90 C2/c
atom     x     y      z  occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3)  B(2,3)
K        0 .0982    .25  .93  .0147  .0058 .00099      0  .0003       0
Na       0 .0982    .25  .07  .0147  .0058 .00099      0  .0003       0
Al   .2511 .0836  .0001 .915  .0039  .0022 .00047 -.0010  .0001  .00008
Fe   .2511 .0836  .0001  .08  .0039  .0022 .00047 -.0010  .0001  .00008
AlT1 .4648 .9294 .13565 .225  .0043  .0018 .00051 -.0004  .0001  .00009
SiT1 .4648 .9294 .13565 .775  .0043  .0018 .00051 -.0004  .0001  .00009
AlT2 .4517 .2584 .13545 .225  .0043  .0021 .00047 -.0003  .0001 -.00009
SiT2 .4517 .2584 .13545 .775  .0043  .0021 .00047 -.0003  .0001 -.00009
O1   .4170 .0926  .1683        .013  .0029  .0008 -.0007  .0005  -.0001
O2    .251 .8112  .1582        .012  .0042  .0010 -.0006  .0000   .0006
O3    .251 .3705  .1690        .010  .0042  .0008  .0026  .0002  -.0001
O4   .4579 .9438  .0536        .003  .0028  .0008 -.0003 -.0001   .0001
O5   .3858 .2528  .0537        .007  .0035  .0008  .0004  .0003   .0002
OH   .4565 .5636  .0503 .915   .008  .0037  .0005 -.0011  .0005  -.0002
F    .4565 .5636  .0503 .085   .008  .0037  .0005 -.0011  .0005  -.0002