Kentbrooksite
Johnsen O, Grice J D
The Canadian Mineralogist 37 (1999) 865-891
The crystal chemistry of the eudialyte group
Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada
Sample: #16
_database_code_amcsd 0005622
14.2784 14.2784 30.089 90 90 120 R3m
atom      x     y      z  occ Uiso
CaM1  .5951 .9260  .1676 .825 .015
MnM1  .5951 .9260  .1676  .11 .015
CeM1  .5951 .9260  .1676 .032 .015
LaM1  .5951 .9260  .1676 .023 .015
NdM1  .5951 .9260  .1676  .01 .015
FeM25 .8169 .1831  .1696  .26 .015
MnM25 .8169 .1831  .1696  .61 .015
FeM24 .8371 .1629  .1671  .09  .03
NbM3      0     0 -.1295  .95 .015
Si7       0     0  .0782  .82  .01
Si7a      0     0  .1169  .11  .03
Na1a  .2255 .7745  .0135 .495 .035
Na1b  .2568 .7432 -.0043 .495 .075
Na2   .4391 .5609  .3245  .98 .025
Na3a  .0859 .9141  .2063  .53
Na3b  .1116 .8884  .2167  .53
Na4   .5664 .4336  .1188  .32 .015
KNa4  .5664 .4336  .1188  .11 .015
SrNa4 .5664 .4336  .1188  .24 .015
CeNa4 .5664 .4336  .1188  .13 .015
LaNa4 .5664 .4336  .1188  .09 .015
NdNa4 .5664 .4336  .1188  .03 .015
YNa4  .5664 .4336  .1188  .08 .015
Na5   .7382 .2618  .3136      .065
Zr    .4967 .5033      0  .99  .01
Si1   .2629 .7371  .2501      .015
Si2   .4033 .5967  .0868      .015
Si3   .5398 .4602  .2446       .01
Si4   .1232 .8768  .0924       .01
Si5   .9443 .6746  .2634       .01
Si6   .7241 .0622  .0693       .01
O1    .3946 .6054  .2479      .025
O2    .2220 .7780  .2095      .035
O3    .2348 .7652  .2984      .035
O4    .2723 .7277  .0937       .03
O5    .4493 .5507  .1232      .035
O6    .0910 .9090  .3698       .03
O7    .6101 .0367  .2738      .015
O8    .5164 .4836  .1956      .015
O9    .6043 .3957  .2495      .025
O10   .7224 .9485  .0598      .025
O11   .1546 .8454  .1385       .02
O12   .0593 .9407  .1006      .035
O13   .2981 .9008 -.6259       .02
O14   .7053 .0752  .1212      .015
O15   .8407 .1593  .0520      .015
O16   .7493 .7752  .2939       .02
O17   .9571 .7011  .2111      .015
O18   .8195 .1805  .2797      .015
O19   .7305 .2695  .1694       .02
O20       0     0  .0254       .02
ClX1a     0     0 -.2654  .09  .03
OHX1a     0     0 -.2654  .31  .03
ClX1b .0501 .1003 -.2622  .03  .03
OHX1b .0501 .1003 -.2622 .103  .03
ClX1c     0     0 -.3082  .09  .03
OHX1c     0     0 -.3082  .31  .03
ClX2a     0     0  .2804  .09  .03
OHX2a     0     0  .2804  .31  .03
ClX2b     0     0  .2484  .09  .03
OHX2b     0     0  .2484  .31  .03