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: Ordovician K-bentonite, Vermont
Sample Name: KJMC3
_database_code_amcsd 0005018
5.210 9.020 10.159 90 101.4 90 C2/m
atom     x     y     z
K        0    .5    .5
Al      .5 .1667     0
Si   .4190 .3292 .2711
O1   .3523 .3135 .1082
O2   .4859    .5 .3184
O3   .6757 .2309 .3359
OH   .4197     0 .1043