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: Tas22-1b
_database_code_amcsd 0001821
5.358 9.277 10.308 90 99.99 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   .0755 .16666 .22672 .77  .0123  .0044  .0039 -.0001  .0022  .0000
Fe   .0755 .16666 .22672 .23  .0123  .0044  .0039 -.0001  .0022  .0000
Fe1      0      0     .5 .08  .0140  .0047  .0048      0  .0026      0
Mg1      0      0     .5 .92  .0140  .0047  .0048      0  .0026      0
Fe2      0  .3328     .5 .08  .0121  .0041  .0042      0  .0025      0
Mg2      0  .3328     .5 .92  .0121  .0041  .0042      0  .0025      0
K        0     .5      0 .98  .0287  .0100  .0069      0  .0031      0
Na       0     .5      0 .02  .0287  .0100  .0069      0  .0031      0
O1   .0012      0  .1701      .0350  .0089  .0068      0  .0020      0
O2   .3342  .2221  .1700      .0310  .0104  .0062 -.0022  .0038 -.0010
O3   .1309  .1670  .3918      .0124  .0034  .0045 -.0002  .0026  .0000
OH4  .1330     .5  .3977 .89  .0163  .0050  .0045      0  .0030      0
F4   .1330     .5  .3977 .03  .0163  .0050  .0045      0  .0030      0
O4   .1330     .5  .3977 .08  .0163  .0050  .0045      0  .0030      0