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 = 1.39 GPa
_database_code_amcsd 0019028
12.514 12.514 5.034 90 90 120 P6_3
atom     x     y     z  occ  Uiso
Si   .0829 .4109 .7342      .0105
Al   .3372 .4121 .7356      .0112
O1   .2004 .4006  .635       .017
O2   .1180 .5533  .702       .022
O3   .0484 .3620  .035       .013
O4   .3183 .3535  .054       .015
Na1    2/3   1/3  .110 .960  .040
Na2  .8743 .7508 .7784 .854  .032
Ca   .8743 .7508 .7784 .146  .032
C1       0     0   .90 .421  .028
OC1   .058 .1200  .886 .421  .052
C2       0     0  .671 .459  .028
OC2   .063 .1203  .671 .459  .052
Wat   .305  .614  .178  1/3  .056