Phlogopite-2O
Ferraris G, Gula A, Ivaldi G, Nespolo M, Sokolova E, Uvarova Y, Khomyakov A P
European Journal of Mineralogy 13 (2001) 1013-1023
First structure determination of an MDO-2O mica polytype associated with a 1M polytype
_database_code_amcsd 0006910
5.2781 9.141 20.124 90 90 90 Ccmm
atom      x      y      z occ  Uiso
K     .6662      0    1/4 .97 .0326
Na    .6662      0    1/4 .03 .0326
MgM1      0      0      0 .68 .0105
FeM1      0      0      0 .11 .0105
LiM1      0      0      0 .21 .0105
MgM2      0 .66627      0 .66 .0106
FeM2      0 .66627      0 .11 .0106
LiM2      0 .66627      0 .23 .0106
SiT  .16620 .16668 .13564 .85 .0086
AlT  .16620 .16668 .13564 .15 .0086
O1    .1550      0 .16637     .0181
O2    .4215  .2448 .16636     .0182
O3    .1660  .1667 .05551     .0115
Oh    .6681      0 .05185  .6 .0131
F     .6681      0 .05185  .4 .0131
H      .655      0   .088  .6 .0300