Cancrinite
Lotti P, Gatta G D, Rotiroti N, Camara F
American Mineralogist 97 (2012) 872-882
High-pressure study of a natural cancrinite
Locality: Cameroun
Note: P = 0.76 GPa
_database_code_amcsd 0019026
12.580 12.580 5.058 90 90 120 P6_3
atom     x     y     z  occ  Uiso
Si   .0828 .4112 .7347      .0095
Al   .3373 .4126 .7348      .0111
O1   .2009 .4022  .639       .015
O2   .1175 .5542  .704       .019
O3   .0491 .3632  .034       .014
O4   .3212 .3540  .048       .010
Na1    2/3   1/3  .112 .960  .041
Na2  .8754 .7517 .7779 .854  .032
Ca   .8754 .7517 .7779 .146  .032
C1       0     0   .90 .421   .04
OC1   .061 .1190  .883 .421  .048
C2       0     0  .672 .459   .04
OC2   .062 .1193  .672 .459  .048
Wat   .306  .613  .181  1/3  .054