Carbobystrite Khomyakov A P, Camara F, Sokolova E The Canadian Mineralogist 48 (2010) 291-300 Carbobystrite, Na8[Al6Si6O24](CO3)*4H2O, a new cancrinite-group mineral species from the Khibina Alkaline massif, Kola Peninsula, Russia: Description and crystal structure Locality: the Khibina Alkaline massif, Kola Peninsula, Russia _database_code_amcsd 0006331 12.6678 12.6678 10.3401 90 90 120 P31c atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Na1 0 0 -.0505 .030 .021 .021 .047 .011 0 0 Na2 .0941 .5484 .0646 .021 .021 .021 .020 .010 .002 .001 Na3 .3822 .1920 .7808 .977 .024 .035 .022 .019 .018 .008 .004 Na4 2/3 1/3 .1343 .63 .033 .024 .024 .050 .012 0 0 K4 2/3 1/3 .1216 .36 .020 .021 .021 .019 .010 0 0 Si1 .2510 .2517 .0190 .007 .008 .007 .007 .004 .000 .000 Al1 .6745 .0872 .2702 .008 .008 .009 .008 .005 .000 .000 Si2 .0805 .4192 .7688 .008 .009 .007 .007 .004 .000 .000 Al2 .2550 -.0007 .0182 .008 .008 .007 .008 .004 .000 -.001 O1 .3773 .0305 .4153 .013 .011 .019 .008 .007 .002 .002 O2 .2684 .1388 -.0249 .013 .016 .010 .015 .008 .001 .000 O3 .7081 -.0014 .1674 .013 .017 .016 .010 .010 .001 -.001 O4 .6641 .0317 .4273 .014 .018 .020 .010 .014 -.001 .002 O5 .2096 .1084 .5037 .014 .017 .009 .018 .008 -.005 -.004 O6 .0597 .5304 .7264 .012 .017 .009 .012 .009 -.001 .000 O7 .2235 .4648 .7558 .016 .011 .017 .023 .008 .000 .000 O8 .0027 .3072 .1744 .012 .014 .016 .009 .009 .000 -.003 C 1/3 2/3 .1588 .018 .014 .014 .024 .007 0 0 O9 .4481 .7248 .1465 .055 .017 .025 .121 .009 -.014 -.006 Wat10 .7979 .4424 -.0759 .35 .057 .035 .039 .076 .003 -.028 -.003 Wat11 .5594 .2052 -.0716 .47 .065 .047 .044 .087 .010 .017 .017 Wat12 .0230 -.0207 -.2717 .34 .063 .091 .060 .038 .036 -.009 -.016