Phlogopite
Brigatti M F, Medici L, Saccani E, Vaccaro C
American Mineralogist 81 (1996) 913-927
Crystal chemistry and petrologic significance of Fe3+-rich phlogopite from
the Tapira carbonatite complex, Brazil
Sample: Tas27-2Bb
_database_code_amcsd 0001811
5.330 9.2346 10.3010 90 99.92 90 C2/m
atom      x      y      z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Si   .07606 .16669 .22828 .71  .0048  .0016  .0014      0  .0006      0
Al   .07606 .16669 .22828 .26  .0048  .0016  .0014      0  .0006      0
Fe   .07606 .16669 .22828 .03  .0048  .0016  .0014      0  .0006      0
Ti1       0      0     .5 .02  .0068  .0022  .0024      0  .0011      0
Fe1       0      0     .5 .09  .0068  .0022  .0024      0  .0011      0
Mg1       0      0     .5 .89  .0068  .0022  .0024      0  .0011      0
Ti2       0 .33224     .5 .02  .0055  .0019  .0021      0  .0007      0
Fe2       0 .33224     .5 .09  .0055  .0019  .0021      0  .0007      0
Mg2       0 .33224     .5 .89  .0055  .0019  .0021      0  .0007      0
K         0     .5      0 .96  .0269  .0087  .0042      0  .0015      0
Na        0     .5      0 .03  .0269  .0087  .0042      0  .0015      0
Ba        0     .5      0 .01  .0269  .0087  .0042      0  .0015      0
O1    .0134      0  .1704      .0189  .0035  .0024      0  .0006      0
O2    .3281  .2284  .1703      .0132  .0056  .0024 -.0024  .0015 -.0005
O3    .1300  .1667  .3910      .0069  .0020  .0018  .0001  .0009 -.0001
OH4   .1326     .5  .3976 .90  .0069  .0024  .0018      0  .0004      0
F4    .1326     .5  .3976 .02  .0069  .0024  .0018      0  .0004      0
O4    .1326     .5  .3976 .08  .0069  .0024  .0018      0  .0004      0