Glauconite
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: Baltic region, Russia
Sample Name: 68-69
_database_code_amcsd 0005026
5.246 9.076 10.184 90 101.1 90 C2/m
atom     x     y     z
K        0    .5    .5
Al      .5 .1667     0
Si   .4209 .3314 .2728
O1   .3600 .3214 .1113
O2   .4542    .5 .3278
O3   .6929 .2490 .3352
OH   .4119     0 .1092