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: Leningrad region, Russia
Sample Name: BAB
_database_code_amcsd 0005028
5.246 9.066 10.182 90 101.2 90 C2/m
atom     x     y     z
K        0    .5    .5
Al      .5 .1667     0
Si   .4221 .3312 .2726
O1   .3585 .3192 .1106
O2   .4731    .5 .3265
O3   .6863 .2402 .3350
OH   .4127     0 .1078