Muscovite-2M1
Brigatti M F, Frigieri P, Poppi L
American Mineralogist 83 (1998) 775-785
Crystal chemistry of Mg-, Fe-bearing muscovites-2M1
Sample C6Bb from peraluminous granites at Northern Victoria Land, Antarctica
_database_code_amcsd 0002022
5.196 8.997 20.034 90 95.80 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  .0988    .25 .93  .0194  .0067 .00128      0 .00058       0
Na       0  .0988    .25 .05  .0194  .0067 .00128      0 .00058       0
Si1  .4515 .25858 .13550 .72  .0072 .00273 .00070  .0001 .00026  .00005
Al1  .4515 .25858 .13550 .28  .0072 .00273 .00070  .0001 .00026  .00005
Si2  .9652 .42995 .13539 .72  .0073 .00250 .00071 .00009 .00039  .00003
Al2  .9652 .42995 .13539 .28  .0073 .00250 .00071 .00009 .00039  .00003
Ti2  .2496 .08322 .00005 .02  .0077 .00300 .00071 -.0002 .00034  .00011
Fe2  .2496 .08322 .00005 .03  .0077 .00300 .00071 -.0002 .00034  .00011
Mg2  .2496 .08322 .00005 .08  .0077 .00300 .00071 -.0002 .00034  .00011
Al2  .2496 .08322 .00005 .87  .0077 .00300 .00071 -.0002 .00034  .00011
Al1    .75    .25      0 .07
H     .885   .165   .062 .14
O11  .7501  .3119 .15770      .0115  .0057 .00121 -.0008  .0002  .00040
O21  .2480  .3700 .16874      .0110  .0050 .00093  .0019  .0003 -.00017
O22  .4183  .0932 .16835      .0149  .0047 .00090  .0002  .0004  .00002
O31  .3858  .2517 .05346      .0103  .0033 .00073  .0003  .0004  .00017
O32  .9607  .4438 .05349      .0083  .0037 .00077  .0000  .0005  .00006
O4   .9575  .0619 .05033 .97  .0125  .0042 .00083 -.0005  .0007 -.00018
F4   .9575  .0619 .05033 .03  .0125  .0042 .00083 -.0005  .0007 -.00018