Metaschoepite
Klingensmith A L, Deely K M, Kinman W S, Kelly V, Burns P C
American Mineralogist 92 (2007) 662-669
Neptunium incorporation in sodium-substituted metaschoepite
Locality: Katanga, Congo
Sample: Natural
14.6801 14.0287 16.7196 90 90 90 Pbcn
atom        x      y      z occ   Uiso U(1,1) U(2,2) U(3,3)  U(1,2) U(1,3)  U(2,3)
Na21     .503   .672   .295 .24   .040
U1     .23381 .74397 .37478     .01545  .0264 .00816  .0118 -.00032  .0002 -.00215
U2     .28634 .76845 .60325     .01605  .0315 .00797 .00865   .0026 -.0018 -.00103
U3     .25577 .51214 .23933     .01607  .0328  .0084 .00695   .0007 -.0014  .00036
U4     .25591 .51731 .51083     .01707  .0316 .00946  .0101  -.0007  .0015  .00165
O1      .1748  .7406  .6145       .035
O2      .1475  .4622  .2320       .032
O3      .1206  .7443  .4156       .026
O4      .4098  .7847  .5967       .019
O5      .3678  .5610  .2511       .024
O6      .1391  .5483  .5295       .021
O7      .3420  .7440  .3315       .028
O8      .3699  .4841  .4895       .026
O9      .2517  .9229  .6173      .0184
OH10    .2082  .3619  .4680       .020
OH11    .2928  .6751  .4885       .028
OH12    .2144  .5628  .3722      .0140
OH13    .3117  .6015  .6385       .017
OH14    .1883  .6854  .2439      .0148
OH15    .1894  .8851  .3128       .016
Wat16A      0  .7528    .25 .59   .040
Wat16B      0   .659    .25 .47   .040
Wat17   .4994  .4181  .1441 .78   .040
Wat18  -.0195  .6443  .5691 .94   .040
Wat19   .0268  .5492  .3679 .81   .040
Wat20   .4972  .6469  .4223 .63   .040
Wat22      .5   .794    .25 .53   .040