Muscovite
Birle J, Tettenhorst R
Mineralogical Magazine 36 (1968) 883-886
Refined Muscovite structure
_cod_database_code 1100010
_database_code_amcsd 0018219
5.194 8.996 20.09599 90 95.18 90 C2/c
atom     x     y     z occ
Al1  .2514 .0848 .0004 .94
Fe1  .2514 .0848 .0004 .06
O1   .4607 .9440 .0528
O2   .3794 .2530 .0534
O3   .4585 .5608 .0509
Si1  .4659 .9286 .1352 .75
Si2  .4515 .2576 .1351 .75
Al2  .4659 .9286 .1352 .25
Al3  .4515 .2576 .1351 .25
O4   .4138 .0951 .1680
O5   .2508 .8082 .1567
O6   .2552 .3710 .1685
K1       0 .0991   .25