Muscovite-2M1 Brigatti M F, Frigieri P, Poppi L American Mineralogist 83 (1998) 775-785 Crystal chemistry of Mg-, Fe-bearing muscovites-2M1 Sample C6Cb from peraluminous granites at Northern Victoria Land, Antarctica _database_code_amcsd 0002021 5.186 9.003 20.030 90 95.84 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 .0986 .25 .92 .0267 .00654 .00088 0 .00015 0 Na 0 .0986 .25 .08 .0267 .00654 .00088 0 .00015 0 Si1 .4516 .25845 .13551 .79 .0129 .00247 .00029 .0001 -.00015 .00003 Al1 .4516 .25845 .13551 .21 .0129 .00247 .00029 .0001 -.00015 .00003 Si2 .9650 .42949 .13546 .79 .0131 .00239 .00029 .00009 -.00005 .00008 Al2 .9650 .42949 .13546 .21 .0131 .00239 .00029 .00009 -.00005 .00008 Ti2 .2496 .08311 .00002 .02 .0148 .00288 .00038 -.0002 -.00016 .00008 Fe2 .2496 .08311 .00002 .06 .0148 .00288 .00038 -.0002 -.00016 .00008 Mg2 .2496 .08311 .00002 .07 .0148 .00288 .00038 -.0002 -.00016 .00008 Al2 .2496 .08311 .00002 .85 .0148 .00288 .00038 -.0002 -.00016 .00008 Al1 .75 .25 0 .14 H .961 .098 .106 .13 O11 .7502 .3104 .15748 .0194 .0054 .00063 -.0021 -.00004 .00064 O21 .2494 .3700 .16878 .0189 .0048 .00058 .0019 -.0004 -.00028 O22 .4173 .0931 .16831 .0226 .0032 .00056 .0004 .0004 .00004 O31 .3851 .2515 .05348 .0169 .0032 .00037 .0002 -.0001 .00000 O32 .9612 .4440 .05342 .0148 .0037 .00037 .0002 -.0001 .00014 O4 .9575 .0618 .05027 .98 .0153 .0035 .00047 -.0002 .0003 -.00024 F4 .9575 .0618 .05027 .02 .0153 .0035 .00047 -.0002 .0003 -.00024