Phlogopite
Scordari F, Schingaro E, Lacalamita M, Mesto E
American Mineralogist 97 (2012) 430-439
Crystal chemistry of trioctahedral micas-2M_1 from
Bunyaruguru kamafugite (southwest Uganda)
Note: BU3_12
Locality: southwest Uganda
_database_code_amcsd 0020824
5.3307 9.2315 20.1550 90 95.095 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)
K         0  .0840     .25   .91  .0337  .0328  .0420      0  .0032      0
Na        0  .0840     .25   .04  .0337  .0328  .0420      0  .0032      0
Ba        0  .0840     .25   .01  .0337  .0328  .0420      0  .0032      0
Ca        0  .0840     .25   .01  .0337  .0328  .0420      0  .0032      0
Mg1     .75    .25       0 .7288  .0094  .0095  .0171  .0011  .0022  .0030
Fe1     .75    .25       0 .2714  .0094  .0095  .0171  .0011  .0022  .0030
Mg2  .24036 .08007 -.00003 .6356  .0157  .0107  .0147  .0026  .0010  .0077
Fe2  .24036 .08007 -.00003 .0943  .0157  .0107  .0147  .0026  .0010  .0077
Ti2  .24036 .08007 -.00003   .19  .0157  .0107  .0147  .0026  .0010  .0077
Al2  .24036 .08007 -.00003  .075  .0157  .0107  .0147  .0026  .0010  .0077
Si1   .4620 .25017  .13724        .0084  .0083  .0142  .0006  .0013  .0016
Si2  .96326 .41742  .13725   .48  .0102  .0096  .0136  .0008  .0012  .0028
Al3  .96326 .41742  .13725  .475  .0102  .0096  .0136  .0008  .0012  .0028
Fe3  .96326 .41742  .13725  .045  .0102  .0096  .0136  .0008  .0012  .0028
O11   .7395  .3164  .16557        .0179  .0231  .0174  .0020  .0011 -.0072
O21   .2391  .3503  .16642        .0172  .0240  .0184 -.0019 -.0004  .0060
O22   .4384  .0838  .16630        .0278  .0133  .0180 -.0001  .0044  .0013
O31   .4321  .2408  .05452        .0106  .0028  .0138  .0017  .0015 -.0004
O32   .9369  .4089  .05457        .0103  .0051  .0140  .0010  .0016  .0019
O4    .9343  .0733  .05103   .99  .0148  .0023  .0134 -.0021  .0007  .0013