Clinochlore
McMurchy R C
Zeitschrift fur Kristallographie 88 (1934) 420-432
The crystal structure of the chlorite minerals
Locality: Miles City, Montana, USA
Note: originally called sheridanite
_database_code_amcsd 0010543
5.305 9.189 28.5 90 97.147 90 C2/c
atom     x     y    z occ
Mg1      0     0    0
Mg2      0   1/3    0
Mg4      0   1/6  .25 2/3
Al4      0   1/6  .25 1/3
Mg5      0  -1/6  .25 2/3
Al5      0  -1/6  .25 1/3
Mg6      0    .5  .25 2/3
Al6      0    .5  .25 1/3
SiT1 -.269     0 .094 .75
AlT1 -.269     0 .094 .25
SiT2 -.269  -1/3 .094 .75
AlT2 -.269  -1/3 .094 .25
O1   -.308  -1/3 .039
O2   -.308     0 .039
O3   -.006  1/12 .114
O4   -.006 -.417 .114
O5   -.256  -1/6 .114
OH1  -.308   1/3 .039
OH2   .142     0 .211
OH3   .142   1/3 .211
OH4   .142  -1/3 .211