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: Tas22-1a
_database_code_amcsd 0001820
5.357 9.270 10.319 90 99.96 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   .0759 .16670 .2268  .78  .0109  .0056  .0039  .0003  .0005 -.0001
Fe   .0759 .16670 .2268  .22  .0109  .0056  .0039  .0003  .0005 -.0001
Fe1      0      0    .5  .07  .0100  .0054  .0035      0 -.0002      0
Mg1      0      0    .5  .90  .0100  .0054  .0035      0 -.0002      0
Fe2      0  .3325    .5  .07  .0104  .0058  .0035      0  .0002      0
Mg2      0  .3325    .5  .90  .0104  .0058  .0035      0  .0002      0
K        0     .5     0  .99  .0340  .0126  .0073      0  .0033      0
Na       0     .5     0  .01  .0340  .0126  .0073      0  .0033      0
O1   .0000      0 .1717       .0420  .0117  .0058      0 -.0030      0
O2   .3317  .2220 .1715       .0360  .0122  .0073 -.0015  .0036 -.0004
O3   .1281  .1677 .3909       .0076  .0052  .0040 -.0001 -.0003  .0001
OH4  .1338     .5 .3982  .89  .0120  .0057  .0041      0 -.0010      0
F4   .1338     .5 .3982  .07  .0120  .0057  .0041      0 -.0010      0
O4   .1338     .5 .3982  .04  .0120  .0057  .0041      0 -.0010      0