Cancrinite Hassan I, Antao S M, Parise J B American Mineralogist 91 (2006) 1117-1124 Cancrinite: Crystal structure, phase transitions, and dehydration behaviour with temperature Locality: Dungannon Township, Bancroft, Ontario, Canada Sample: SC20 _database_code_amcsd 0004164 12.590 12.590 5.117 90 90 120 P6_3 atom x y z occ Uiso Na1 2/3 1/3 .1339 .0491 Na2 .1232 .2490 .2959 .67 .0491 Ca2 .1232 .2490 .2959 .25 .0491 Al .0752 .4104 .7510 .0073 Si .3277 .4104 .75 .0073 C1 0 0 .6729 .380 .0445 C2 0 0 .9134 .380 .0445 O1 .2027 .4043 .6574 .0163 O2 .1131 .5635 .7281 .0163 O3 .0295 .3487 .0610 .0163 O4 .3131 .3566 .0439 .0163 OC1 .0572 .1163 .6729 .380 .0445 OC2 .0587 .1194 .9134 .380 .0445 Wat 2/3 1/3 .6875 .025