Muscovite-2M1
Brigatti M F, Frigieri P, Poppi L
American Mineralogist 83 (1998) 775-785
Crystal chemistry of Mg-, Fe-bearing muscovites-2M1
Sample CC1b from peraluminous granites at Northern Victoria Land, Antarctica
_database_code_amcsd 0002018
5.186 9.005 20.031 90 95.78 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 .09858    .25 .92  .0164 .00537 .00109       0 .00055       0
Na        0 .09858    .25 .08  .0164 .00537 .00109       0 .00055       0
Si1  .45162 .25835 .13548 .80  .0036 .00133 .00043 -.00004 .00018  .00003
Al1  .45162 .25835 .13548 .20  .0036 .00133 .00043 -.00004 .00018  .00003
Si2  .96505 .42957 .13546 .80  .0038 .00115 .00043  .00004 .00026  .00004
Al2  .96505 .42957 .13546 .20  .0038 .00115 .00043  .00004 .00026  .00004
Ti2   .2491 .08314 .00002 .03  .0044 .00159 .00048 -.00016 .00023  .00005
Fe2   .2491 .08314 .00002 .03  .0044 .00159 .00048 -.00016 .00023  .00005
Mg2   .2491 .08314 .00002 .03  .0044 .00159 .00048 -.00016 .00023  .00005
Al2   .2491 .08314 .00002 .91  .0044 .00159 .00048 -.00016 .00023  .00005
Al1     .75    .25      0 .02
H      .891   .130   .060 .15
O11   .7503  .3114 .15768      .0096  .0042  .0008  -.0018 -.0001  .00053
O21   .2494  .3698 .16880      .0084  .0036 .00073   .0016 .00015 -.00027
O22   .4180  .0930 .16826      .0138  .0023 .00063   .0005 .00067  .00001
O31   .3854  .2513 .05351      .0073  .0019 .00044  -.0004 .00037  .00005
O32   .9613  .4433 .05344      .0060  .0021 .00051   .0004 .00034  .00004
O4    .9572  .0619 .05034      .0068  .0024 .00057  -.0005  .0006 -.00026