Isokite
Yang H, Zwick J, Downs R T, Costin G
Acta Crystallographica C63 (2007) i89-i90
Isokite, CaMg(PO4)F0.8(OH)0.2, isomorphous with titanite
Locality: Kjorrestad, near Bamle, Norway
_database_code_amcsd 0010337
6.5109 8.7301 6.9046 90 112.246 90 C2/c
atom     x      y     z occ   Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mg      .5      0    .5     .00979  .0105  .0103  .0089 -.0001  .0041  .0013
Ca      .5 .33652   .25     .01762  .0107  .0083  .0276   .000  .0003   .000
P        0 .17921   .25     .00759  .0066  .0073  .0088   .000  .0029   .000
O1   .1091 .28009 .1325      .0107  .0105  .0102  .0128  .0004  .0058  .0023
O2   .1690 .07291 .4092      .0116  .0095  .0106  .0128 -.0001  .0023  .0022
F       .5 .08302   .25 .80  .0110  .0147  .0098  .0094   .000  .0053   .000
OH      .5 .08302   .25 .20  .0110  .0147  .0098  .0094   .000  .0053   .000