Carbobystrite
Khomyakov A P, Camara F, Sokolova E
The Canadian Mineralogist 48 (2010) 291-300
Carbobystrite, Na8[Al6Si6O24](CO3)*4H2O, a new cancrinite-group mineral species
from the Khibina Alkaline massif, Kola Peninsula, Russia: Description and crystal structure
Locality: the Khibina Alkaline massif, Kola Peninsula, Russia
_database_code_amcsd 0006331
12.6678 12.6678 10.3401 90 90 120 P31c
atom      x      y      z  occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Na1       0      0 -.0505      .030   .021   .021   .047   .011      0      0
Na2   .0941  .5484  .0646      .021   .021   .021   .020   .010   .002   .001
Na3   .3822  .1920  .7808 .977 .024   .035   .022   .019   .018   .008   .004
Na4     2/3    1/3  .1343  .63 .033   .024   .024   .050   .012      0      0
K4      2/3    1/3  .1216  .36 .020   .021   .021   .019   .010      0      0
Si1   .2510  .2517  .0190      .007   .008   .007   .007   .004   .000   .000
Al1   .6745  .0872  .2702      .008   .008   .009   .008   .005   .000   .000
Si2   .0805  .4192  .7688      .008   .009   .007   .007   .004   .000   .000
Al2   .2550 -.0007  .0182      .008   .008   .007   .008   .004   .000  -.001
O1    .3773  .0305  .4153      .013   .011   .019   .008   .007   .002   .002
O2    .2684  .1388 -.0249      .013   .016   .010   .015   .008   .001   .000
O3    .7081 -.0014  .1674      .013   .017   .016   .010   .010   .001  -.001
O4    .6641  .0317  .4273      .014   .018   .020   .010   .014  -.001   .002
O5    .2096  .1084  .5037      .014   .017   .009   .018   .008  -.005  -.004
O6    .0597  .5304  .7264      .012   .017   .009   .012   .009  -.001   .000
O7    .2235  .4648  .7558      .016   .011   .017   .023   .008   .000   .000
O8    .0027  .3072  .1744      .012   .014   .016   .009   .009   .000  -.003
C       1/3    2/3  .1588      .018   .014   .014   .024   .007      0      0
O9    .4481  .7248  .1465      .055   .017   .025   .121   .009  -.014  -.006
Wat10 .7979  .4424 -.0759  .35 .057   .035   .039   .076   .003  -.028  -.003
Wat11 .5594  .2052 -.0716  .47 .065   .047   .044   .087   .010   .017   .017
Wat12 .0230 -.0207 -.2717  .34 .063   .091   .060   .038   .036  -.009  -.016