Illite
Drits V A, Zviagina B B, McCarty D K, Salyn A L
American Mineralogist 95 (2010) 348-361
Factors responsible for crystal-chemical variations in the solid solutions
from illite to aluminoceladonite and from glauconite to celadonite
Locality: Athabasca basement; Saskatchewan, Canada
Sample Name: 10564
_database_code_amcsd 0005029
5.1973 8.999 10.147 90 99.00 90 C2
atom     x     y     z
K       .5 .6528    .5
Al1     .5 .1667     0
Al2      0 .3333     0
Si1  .4333 .9921 .2692
Si2  .9185 .8205 .2692
O1   .4152 .9986 .1063
O2   .3432 .3079 .1063
O3   .9958 .6571 .3343
O4   .1585 .9371 .3129
O5   .6696 .8817 .3343
OH   .8408 .1900 .1008