Annite
Brigatti M F, Frigieri P, Ghezzo c, Poppi L
American Mineralogist 85 (2000) 436-448
Crystal chemistry of Al-rich biotites coexisting with muscovites in
peraluminous granites
Sample: C6c
Locality: Tinker Glacier, Northern Victoria Land, Antarctica
_database_code_amcsd 0002391
5.335 9.242 20.181 90 95.20 90 C2/c
atom      x      y      z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3)  U(2,3)
KA        0  .0852    .25 .98  .0267  .0079 .00182      0 .00046       0
NaA       0  .0852    .25 .02  .0267  .0079 .00182      0 .00046       0
Fe2+1   .75    .25      0 .66  .0078 .00213 .00071 -.0006 .00025 -.00007
Mg1     .75    .25      0 .19  .0078 .00213 .00071 -.0006 .00025 -.00007
Fe2+2 .2501 .08323  .0200 .37  .0080 .00212 .00069 -.0001 .00010  .00010
Mg2   .2501 .08323  .0200 .26  .0080 .00212 .00069 -.0001 .00010  .00010
Ti2   .2501 .08323  .0200 .08  .0080 .00212 .00069 -.0001 .00010  .00010
Al2   .2501 .08323  .0200 .30  .0080 .00212 .00069 -.0001 .00010  .00010
SiT1  .4614 .25084 .13691 .68  .0091 .00220 .00061  .0002 .00012 -.00001
AlT1  .4614 .25084 .13691 .32  .0091 .00220 .00061  .0002 .00012 -.00001
SiT2  .9628 .41783 .13689 .68  .0081 .00236 .00065 -.0003 .00018  .00002
AlT2  .9628 .41783 .13689 .32  .0081 .00236 .00065 -.0003 .00018  .00002
O11   .7424  .3147  .1645      .0158  .0058 .00096 -.0030      0  .00032
O21   .2417  .3546  .1656      .0153  .0064 .00094  .0023      0 -.00034
O22   .4327  .0846 .16571      .0226  .0031 .00091 -.0003  .0007   .0000
O31   .4295  .2432 .05410      .0132  .0037 .00073 -.0004      0 -.00011
O32   .9373  .4125 .05407      .0153  .0040 .00069  .0011      0 -.00015
OH4   .9364  .0739 .05117 .82  .0174  .0027 .00075  .0017  .0002 -.00050
O4    .9364  .0739 .05117 .18  .0174  .0027 .00075  .0017  .0002 -.00050