Krettnichite
Brugger J, Armbruster T, Criddle A J, Berlepsch P, Graeser S, Reeves S
European Journal of Mineralogy 13 (2001) 145-158
Description, crystal structure, and paragenesis of krettnichite,
PbMn2(VO4)2(OH)2, the Mn3+ analogue of mounanaite
_database_code_amcsd 0006853
9.2953 6.2894 7.6906 90 118.068 90 C2/m
atom     x     y     z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Pb       0     0     0 .83 .0221  .0231  .0177  .0251      0  .0109      0
Sr       0     0     0 .17 .0221  .0231  .0177  .0251      0  .0109      0
Mn     1/4   1/4   1/2     .0124  .0122  .0113  .0138 -.0005  .0062 -.0011
V    .9213   1/2 .2189     .0107  .0101  .0102   .013      0  .0060      0
OH1  .3365   1/2  .420      .016   .010   .014   .020      0   .005      0
O2    .315     0  .351      .020   .022   .020   .023      0   .013      0
O3   .0432 .2737 .2645      .017   .016   .015   .018   .001   .008  -.002
O4    .219   1/2  .012      .027   .025   .027   .022      0   .005      0