Kentbrooksite
Johnsen O, Grice J D
The Canadian Mineralogist 37 (1999) 865-891
The crystal chemistry of the eudialyte group
Locality: Locality: Burpala massif, Siberia, Russia
Sample: #17
Note: additional sites with low but unreported occupancies excluded
Note: X2d reported but missing z-coordinate
_database_code_amcsd 0005623
14.220 14.220 30.150 90 90 120 R3m
atom       x      y      z  occ Uiso
CaM1   .5949  .9263  .1672 .585 .015
MnM1   .5949  .9263  .1672  .25 .015
CeM1   .5949  .9263  .1672  .04 .015
LaM1   .5949  .9263  .1672  .02 .015
NdM1   .5949  .9263  .1672 .013 .015
YbM1   .5949  .9263  .1672 .007 .015
YM1    .5949  .9263  .1672 .085 .015
FeM25  .8172  .1828  .1697  .12 .015
MnM25  .8172  .1828  .1697  .22 .015
AlM25  .8172  .1828  .1697  .14 .015
TiM25  .8172  .1828  .1697  .08 .015
FeM24  .8368  .1632  .1661  .38  .03
SiM3       0      0 -.1290  .54 .015
NbM3       0      0 -.1290  .26 .015
AlM3       0      0 -.1290  .24 .015
ZrM3       0      0 -.1290  .12 .015
Si7        0      0  .0780  .09  .01
NbSi7      0      0  .0780  .05  .01
AlSi7      0      0  .0780  .04  .01
ZrSi7      0      0  .0780  .02  .01
Si7a       0      0  .1192  .31  .03
NbSi7a     0      0  .1192  .15  .03
AlSi7a     0      0  .1192  .14  .03
ZrSi7a     0      0  .1192 .066  .03
Na1a   .2213  .7787  .0128 .485 .035
CeNa1a .2213  .7787  .0128 .007 .035
LaNa1a .2213  .7787  .0128 .003 .035
NaNa1b .2543  .7457 -.0026 .485 .035
CeNa1b .2543  .7457 -.0026 .007 .035
LaNa1b .2543  .7457 -.0026 .003 .035
Na2    .4368  .5632 -.6750  .84 .025
NaNa3a .0982  .9018  .2150  .95 .075
CeNa3a .0982  .9018  .2150 .025 .075
LaNa3a .0982  .9018  .2150 .016 .075
NdNa3a .0982  .9018  .2150  .06 .075
YbNa3a .0982  .9018  .2150  .03 .075
Na4    .5655  .4345  .1180  .56 .015
KNa4   .5655  .4345  .1180 .095 .015
SrNa4  .5655  .4345  .1180  .19 .015
BaNa4  .5655  .4345  .1180  .01 .015
CeNa4  .5655  .4345  .1180 .072 .015
LaNa4  .5655  .4345  .1180 .047 .015
NdNa4  .5655  .4345  .1180 .023 .015
YbNa4  .5655  .4345  .1180 .003 .015
Na5    .7311  .2689  .3221      .065
Zr     .4975  .5025      0  .96  .01
Ti     .4975  .5025      0  .04  .01
Si1    .2629  .7371  .2493      .015
Si2    .4032  .5968  .0868      .015
Si3    .5393  .4607  .2433       .01
Si4    .1239  .8761   .092       .01
Si5    .9439  .6736  .2634       .01
Si6    .7235  .0630  .0698       .01
O1     .3946  .6054  .2463      .025
O2     .2232  .7768  .2077      .035
O3     .2321  .7679  .2964      .035
O4     .2711  .7289  .0916       .03
O5     .4481  .5519   .124      .035
O6     .0911  .9089  .3701       .03
O7     .6109  .0423  .2743      .015
O8     .5134  .4866   .196      .015
O9     .6043  .3957  .2423      .025
O10    .7176  .9465  .0608      .025
O11    .1557  .8443  .1386       .02
O12    .0594  .9406  .0977      .035
O13    .3015  .9013  .3737       .02
O14    .7063  .0748  .1215      .015
O15    .8435  .1565  .0531      .015
O16    .7463  .7739  .2998       .02
O17    .9593  .7007  .2113      .015
O18    .8216  .1784  .2787      .015
O19    .7290  .2710  .1669  .85  .02
O20        0      0  .0224  .13  .02
O20a       0      0 -.0303  .25  .02
ClX1a      0      0 -.2706  .16  .03
FX1a       0      0 -.2706  .24  .03
ClX1b  .0474 -.0474 -.2615 .053  .03
FX1b   .0474 -.0474 -.2615  .08  .03
ClX2a      0      0  .2516  .16  .03
FX2a       0      0  .2516  .24  .03
ClX2b      0      0  .2721  .16  .03
FX2b       0      0  .2721  .24  .03
ClX2c  .0191  .0382  .2921 .053  .03
FX2c   .0191  .0382  .2921  .08  .03