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