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: T = 298 C _database_code_amcsd 0004168 12.6268 12.6268 5.1514 90 90 120 P6_3 atom x y z occ Uiso Na1 2/3 1/3 .1277 .0442 Na2 .1233 .2505 .3010 .67 .0442 Ca2 .1233 .2505 .3010 .25 .0442 Al .0769 .4196 .7599 .0042 Si .3253 .4021 .75 .0042 C1 0 0 .718 .380 .028 C2 0 0 .930 .380 .028 O1 .2068 .4062 .6791 .0198 O2 .1068 .5579 .7389 .0198 O3 .0173 .3442 .0517 .0198 O4 .3118 .3556 .0553 .0198 OC1 .0746 .1135 .718 .380 .028 OC2 .0901 .1221 .930 .380 .028 Wat 2/3 1/3 .7131 .719 .025