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: South Urals, Russia
Sample Name: 60
_database_code_amcsd 0005019
5.235 9.032 10.140 90 101.52 90 C2/m
atom     x     y     z
K        0    .5    .5
Al      .5 .1667     0
Si   .4198 .3291 .2715
O1   .3544 .3156 .1089
O2   .4750    .5 .3203
O3   .6828 .2374 .3366
OH   .4209     0 .1055