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 = 4.30 GPa _database_code_amcsd 0019031 12.347 12.347 4.935 90 90 120 P6_3 atom x y z occ Uiso Si .0835 .4111 .7345 .0120 Al .3369 .4126 .7366 .0125 O1 .1981 .3957 .628 .019 O2 .1243 .5566 .691 .020 O3 .0539 .3675 .046 .015 O4 .3181 .3579 .063 .017 Na1 2/3 1/3 .095 .960 .040 Na2 .8754 .7523 .7756 .854 .0291 Ca .8754 .7523 .7756 .146 .0291 C1 0 0 .90 .421 .026 OC1 .055 .1204 .867 .421 .053 C2 0 0 .682 .459 .026 OC2 .067 .1216 .669 .459 .053 Wat .311 .617 .155 1/3 .031