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: Tas27-2Ba
_database_code_amcsd 0001810
5.318 9.214 10.279 90 100.01 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   .0761 .16662 .22825 .71  .0124  .0041  .0038 -.0001  .0025 -.0001
Al   .0761 .16662 .22825 .27  .0124  .0041  .0038 -.0001  .0025 -.0001
Fe   .0761 .16662 .22825 .02  .0124  .0041  .0038 -.0001  .0025 -.0001
Ti1      0      0     .5 .02  .0157  .0052  .0054      0  .0031      0
Fe1      0      0     .5 .09  .0157  .0052  .0054      0  .0031      0
Mg1      0      0     .5 .89  .0157  .0052  .0054      0  .0031      0
Ti2      0  .3323     .5 .02  .0133  .0042  .0044      0  .0025      0
Fe2      0  .3323     .5 .09  .0133  .0042  .0044      0  .0025      0
Mg2      0  .3323     .5 .89  .0133  .0042  .0044      0  .0025      0
K        0     .5      0 .96  .0330  .0108  .0063      0  .0034      0
Ba       0     .5      0 .01  .0330  .0108  .0063      0  .0034      0
Na       0     .5      0 .03  .0330  .0108  .0063      0  .0034      0
O1   .0138      0  .1703      .0260  .0062  .0052      0  .0028      0
O2   .3285  .2286  .1703      .0222  .0086  .0044 -.0020  .0030 -.0006
O3   .1302  .1668  .3908      .0135  .0043  .0045  .0000  .0025 -.0001
OH4  .1322     .5  .3978 .90  .0137  .0050  .0042      0  .0025      0
F4   .1322     .5  .3978 .02  .0137  .0050  .0042      0  .0025      0
O4   .1322     .5  .3978 .08  .0137  .0050  .0042      0  .0025      0