Talc
Gruner J W
Zeitschrift fur Kristallographie 88 (1934) 412-419
The crystal structures of talc and pyrophyllite
Note: talc 2M
Locality: Harford County, Maryland, USA
_database_code_amcsd 0010541
5.26 9.10 18.81 90 100.00 90 C2/c
atom     x     y    z
Mg1      0     0    0
Mg2      0  .333    0
Si1  -.239     0 .143
Si2   .261  .167 .143
O1    .203    .5 .058
O2    .203  .167 .058
OH1   .203 -.167 .058
O3    .025  .083 .176
O4   -.475  .083 .176
O5    .275  .333 .176