Eudialyte Johnsen O, Grice J D The Canadian Mineralogist 37 (1999) 865-891 The crystal chemistry of the eudialyte group Loclaity: Narssarssuk pegmatite, South Greenland Sample: #14 Note: additional sites with low but unreported occupancies excluded _database_code_amcsd 0005620 14.2257 14.2257 30.006 90 90 120 R-3m atom x y z occ Uiso CaM1 0 .7399 .5 .87 .01 MnM1 0 .7399 .5 .05 .01 YM1 0 .7399 .5 .03 .01 CeM1 0 .7399 .5 .012 .01 NdM1 0 .7399 .5 .006 .01 LaM1 0 .7399 .5 .003 .01 FeM24 0 .5 .5 .8 .06 MnM25 -.0555 .4723 .4966 .05 .02 FeM25 -.0555 .4723 .4966 .035 .02 SiM3 0 0 -.1270 .17 .04 NbM3 0 0 -.1270 .01 .04 SiM3b .0132 -.0132 -.1133 .13 .04 NbM3b .0132 -.0132 -.1133 .008 .04 Si7 0 0 .0808 .375 .01 Si7 0 0 .0808 .024 .01 Na1a .2250 -.2250 .0116 .48 .04 Na1b .2493 -.2493 -.0027 .48 .04 Na4 .5623 -.5623 .1167 .92 .05 CeNa4 .5623 -.5623 .1167 .02 .05 SrNa4 .5623 -.5623 .1167 .01 .05 KNa4 .5623 -.5623 .1167 .05 .05 Na5 -.0661 .0946 .0052 .25 .1 Zr .5 .5 0 .95 .01 Ti .5 .5 0 .03 .01 Nb .5 .5 0 .02 .01 Si1 .4035 -.4035 .084 .01 Si3 .1241 -.1241 .0919 .01 Si5 .3391 .2756 .0700 .01 O1 .2717 -.2717 .0890 .02 O2 .4475 -.4475 .1222 .02 O3 .4267 -.4267 .0340 .03 O7 .2305 .2827 .0597 .03 O8 .1537 -.1537 .1382 .02 O9 .0595 -.0595 .0967 .05 O13 .4351 .3669 .0413 .03 O14 .3663 .2880 .1223 .02 O15 .8413 -.8413 .0511 .02 O19 .0469 -.0469 .8381 .26 .06 O20 0 0 .0278 .49 .02 ClX1a 0 0 .7428 .8 .07 OHX1a 0 0 .7428 .2 .07