Cancrinite Pekov I V, Olysych L V, Chukanov N V, Zubkova N V, Pushcharovsky D Yu, Van K V, Giester G, Tillmanns E The Canadian Mineralogist 49 (2012) 1129-1150 Crystal chemistry of cancrinite-group minerals with an AB-type framework: A review and new data. I. Chemical and structural variations Note: Sample# mmf28962 Locality: Ilmeny Mountains, southern Urals, Russia _database_code_amcsd 0018874 12.617 12.617 5.129 90 90 120 P6_3 atom x y z occ Uiso Si1 .32795 .41047 .75 .00926 Al2 .07506 .41250 .75085 .97 .00954 Si2 .07506 .41250 .75085 .03 .00954 O1 .20308 .40495 .6581 .0166 O2 .11353 .56358 .7273 .0211 O3 .02942 .34970 .0598 .0174 O4 .31396 .35719 .0433 .0168 Na 2/3 1/3 .124 .705 .0343 Na' 2/3 1/3 .187 .18 .026 Wat .6849 .3068 .6857 .333 .066 NaA .12273 .24770 .2913 .64 .0253 CaA .12273 .24770 .2913 .16 .0253 NaA' .1320 .2699 .2998 .15 .038 CaA' .1320 .2699 .2998 .04 .038 C1 0 0 .715 .211 .021 OC1 .0575 .1202 .715 .211 .022 C2 0 0 .944 .185 .011 OC2 .0575 .1165 .944 .185 .026 C3 0 0 .626 .225 .024 OC3 .0572 .1172 .626 .225 .024 C4 0 0 .844 .150 .006 OC4 .0587 .1192 .844 .150 .025