Grimselite
Plasil J, Fejfarova K, Skala R, Skoda R, Meisser N, Hlousek J, Cisarova I,
Dusek M, Veselovsky F, Cejka J, Sejkora J, Ondrus P
Mineralogical Magazine 76 (2012) 443-453
The crystal chemistry of the uranyl carbonate mineral grimselite,
(K,Na)3Na[(UO2)(CO3)3](H2O), from Jachymov, Czech Republic
Note: Sample B
Locality: Jachymov, Czech Republic
_database_code_amcsd 0018909
9.3000 9.3000 8.2940 90 90 120 P-62c
atom     x     y    z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
K    .2922     0    0     .0368  .0420   .036   .031  .0178  .0043   .009
Na     1/3   2/3  .75      .027   .029   .029   .022  .0143      0      0
U      2/3   1/3  .75     .0165  .0149  .0149  .0197  .0075      0      0
C     .989  .632  .75      .022   .021   .016   .028   .009      0      0
O1   .9677  .478  .75      .026   .010   .020   .048   .008      0      0
O2   .8475 .6299  .75      .023   .018   .036   .035   .017      0      0
O3     2/3   1/3 .965      .031   .030   .030   .034   .015      0      0
O4   .1281  .759  .75      .026   .023   .024   .050   .008      0      0
Wat5     0     0 .130  .5  .071   .083   .083    .05    .04      0      0