Muscovite
Guggenheim S, Chang Y H, Koster van Groos A F
American Mineralogist 72 (1987) 537-550
Muscovite dehydroxylation: High-temperature studies
Sample: T = 650 deg C, from Panasqueira, Portugal
_database_code_amcsd 0001080
5.189 9.004 20.256 90 95.74 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 .0985    .25        .041  .0146 .00243      0  .0009      0
Al   .2511 .0835 .00002       .0102  .0038 .00094 -.0003 .00017 .00015
AlT1 .4637 .9302 .13393 .227  .0109  .0036 .00086 -.0001 .00037 .00015
SiT1 .4637 .9302 .13393 .773  .0109  .0036 .00086 -.0001 .00037 .00015
AlT2 .4515 .2591 .13383 .227  .0114  .0042 .00091 -.0001 .00005 .00005
SiT2 .4515 .2591 .13383 .773  .0114  .0042 .00091 -.0001 .00005 .00005
O1   .4253 .0931  .1662        .032  .0054 .00133 -.0002  .0013  .0002
O2   .2429 .8178  .1560        .022  .0113  .0016 -.0052 -.0006  .0009
O3   .2451 .3652  .1669        .018  .0097 .00124  .0042 -.0005 -.0007
O4   .4621 .9438  .0530        .012  .0061 .00096  .0010  .0005  .0003
O5   .3822 .2520  .0530  .94   .017  .0043 .00090  .0010 -.0001  .0002
OH   .4564 .5624  .0496  .06   .014  .0059 .00120 -.0022  .0013 -.0003