Eudialyte
Johnsen O, Grice J D
The Canadian Mineralogist 37 (1999) 865-891
The crystal chemistry of the eudialyte group
Locality: Saint-Amable sill, Varennes, Verchares County, Canada
Sample: #9
Note: additional sites with low but unreported occupancies excluded
_database_code_amcsd 0005615
14.1697 14.1697 30.142 90 90 120 R-3m
atom       x      y      z  occ Uiso
CaM1       0  .7397     .5  .63  .01
MnM1       0  .7397     .5  .25  .01
YM1        0  .7397     .5  .03  .01
CeM1       0  .7397     .5  .03  .01
LaM1       0  .7397     .5  .03  .01
ZrM1       0  .7397     .5  .03  .01
FeM24      0     .5     .5  .31  .06
FeM25 -.0369  .4816  .4980   .1  .02
MnM25 -.0369  .4816  .4980  .13  .02
TiM25 -.0369  .4816  .4980  .04  .02
SiM3       0      0  .1195 .473  .04
NbM3       0      0  .1195 .028  .04
SiM3a  .0354  .0177  .1179 .074  .04
NbM3a  .0354  .0177  .1179 .004  .04
Si7        0      0  .0784 .252  .01
SiNb7      0      0  .0784 .013  .01
Na1a   .2206 -.2206  .0141 .455  .04
Na1b   .2483 -.2483 -.0020 .455  .04
Na4    .5619 -.5619  .1200  .92  .05
SrNa4  .5619 -.5619  .1200  .02  .05
KNa4   .5619 -.5619  .1200  .06  .05
Na5   -.0760  .0760  .0093  .42   .1
Zr        .5     .5      0  .83  .01
Ti        .5     .5      0  .17  .01
Si1    .4038 -.4038  .0848       .01
Si3    .1252 -.1252  .0912       .01
Si5    .3413  .2780  .0699       .01
O1     .2715 -.2715  .0881       .02
O2     .4459 -.4459  .1241       .02
O3     .4294 -.4294  .0362       .03
O7     .2339  .2891  .0597       .03
O8     .1536 -.1536  .1380       .02
O9     .0603 -.0603  .0942       .05
O13    .4372  .3647  .0395       .03
O14    .3694  .2929  .1216       .02
O15    .8427 -.8427  .0530       .02
O19    .0489 -.0489  .8362  .35  .06
O20        0      0  .0260  .24  .02
ClX1a      0      0  .7545 .074  .07
OHX1a      0      0  .7545 .094  .07
ClX1b      0      0  .7312 .074  .07
OHX1b      0      0  .7312 .094  .07
ClX1c      0      0  .7011 .074  .07
OHX1c      0      0  .7011 .094  .07