Stottite
Kleppe A K, Welch M D, Crichton W A, Jephcoat A P
Mineralogical Magazine 76 (2012) 949-962
Phase transitions in hydroxide perovskites: a Raman spectroscopic study
of stottite, FeGe(OH)6, to 21 GPa
Locality: Tsumeb mine, Nambia
_database_code_amcsd 0019858
7.5520 7.5520 7.4694 90 90 90 *P4_2/n
.25 .25 .25
atom     x      y     z  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ge      .5      0    .5 .0067  .0065  .0069  .0068  .0000 -.0001 -.0001
Fe      .5      0     0 .0078  .0078  .0074  .0081  .0001 -.0001  .0002
OH1  .2670  .0552 .5825 .0121   .008   .013   .015   .001  -.001   .001
OH2  .5708  .2317 .5638 .0119   .012   .008   .015   .000  -.002  -.002
OH3  .5637 -.0763 .7329 .0102   .012   .011   .008   .001  -.000  -.001