Muscovite
Elmi C, Brigatti M F, Guggenheim S, Pasquali L, Montecchi M,
Malferrari D, Nannarone S
The Canadian Mineralogist 51 (2013) 5-14
Sodian muscovite-2M1: crystal chemistry and surface features
Locality: pegmatite in Northern Victoria Land, Antarctica
_database_code_amcsd 0019832
5.1969 9.0138 20.0835 90 95.763 90 C2/c
atom       x     y     z  occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
KA         0 .0986   .25 .865 .022   .023   .022   .021      0   .002      0
NaA        0 .0986   .25 .135 .022   .023   .022   .021      0   .002      0
AlM2   .2497 .0833 .0000 .943 .008   .007   .007   .009      0   .001   .001
Fe2+M2 .2497 .0833 .0000 .035 .008   .007   .007   .009      0   .001   .001
MgM2   .2497 .0833 .0000 .018 .008   .007   .007   .009      0   .001   .001
TiM2   .2497 .0833 .0000 .003 .008   .007   .007   .009      0   .001   .001
SiT1   .4515 .2585 .1354 .761 .010   .009   .009   .012      0   .001      0
AlT1   .4515 .2585 .1354 .239 .010   .009   .009   .012      0   .001      0
SiT2   .9650 .4297 .1354 .761 .008   .008   .007   .010      0   .001      0
AlT2   .9650 .4297 .1354 .239 .008   .008   .007   .010      0   .001      0
O1     .7497 .3112 .1575      .018   .016   .020   .018  -.003  -.001   .004
O2     .2496 .3701 .1687      .017   .015   .019   .016   .004      0  -.001
O21    .4173 .0934 .1682      .017   .022   .012   .015   .001   .003   .001
O3     .3850 .2518 .0535      .012   .013   .010   .012      0   .001      0
O31    .9612 .4438 .0533      .012   .011   .013   .012   .001   .001      0
OH4    .9574 .0622 .0501 .973 .013   .012   .013   .015  -.001   .002  -.003
F4     .9574 .0622 .0501 .027 .013   .012   .013   .015  -.001   .002  -.003