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: Belgorod, Low Amur, Russia
Sample Name: M422
_database_code_amcsd 0005016
5.1994 8.9815 10.233 90 101.60 90 C2/m
atom     x     y     z
K        0    .5    .5
Al      .5 .1667     0
Si   .4189 .3279 .2690
O1   .3474 .3086 .1060
O2   .5013    .5 .3123
O3   .6697 .2229 .3350
OH   .4188     0 .0998