Khomyakovite 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: #6 _database_code_amcsd 0005612 14.2959 14.2959 30.084 90 90 120 R3m atom x y z occ Uiso CaM1 .5946 .9258 .1675 .015 FeM25 .8180 .1820 .1702 .52 .015 MnM25 .8180 .1820 .1702 .27 .015 FeM24 .8313 .1687 .1654 .18 .03 WM3 0 0 -.1318 .52 .015 NbM3 0 0 -.1318 .31 .015 Si7 0 0 .0773 .6 .01 Si7a 0 0 .1233 .4 .03 Na1a .2187 .7813 .0153 .5 .035 Na1b .2385 .7615 .0055 .5 .035 Na2 .4378 .5622 -.6757 .025 Na3 .0973 .9027 .2149 .68 .075 KNa3 .0973 .9027 .2149 .12 .075 CaNa3 .0973 .9027 .2149 .13 .075 SrNa3 .0973 .9027 .2149 .045 .075 CeNa3 .0973 .9027 .2149 .013 .075 LaNa3 .0973 .9027 .2149 .012 .075 Na4 .5670 .4330 .1173 .13 .015 SrNa4 .5670 .4330 .1173 .87 .015 Na5 .7361 .2639 .3168 .98 .065 Zr .4968 .5032 0 .99 .01 Si1 .2630 .7370 .2502 .015 Si2 .4033 .5967 .0861 .015 Si3 .5408 .4592 .2435 .01 Si4 .1233 .8767 .0923 .01 Si5 .9449 .6736 .2636 .01 Si6 .7247 .0620 .0694 .01 O1 .3945 .6055 .2482 .025 O2 .2221 .7779 .2105 .035 O3 .2350 .7650 .2990 .035 O4 .2715 .7285 .0923 .03 O5 .4496 .5504 .1224 .035 O6 .0913 .9087 .3688 .03 O7 .6097 .0388 .2734 .015 O8 .5160 .4840 .1952 .015 O9 .6055 .3945 .2469 .025 O10 .7219 .9486 .0599 .025 O11 .1542 .8458 .1387 .02 O12 .0591 .9409 .0996 .035 O13 .2982 .9005 -.6257 .02 O14 .7084 .0765 .1216 .015 O15 .8408 .1592 .0503 .015 O16 .7465 .7731 .2936 .02 O17 .9546 .7006 .2115 .015 O18 .8189 .1811 .2805 .015 O19 .7306 .2694 .1695 .02 O20 0 0 .0254 .73 .02 ClX1a 0 0 -.2677 .123 .03 OHX1a 0 0 -.2677 .21 .03 ClX1b -.0990 -.0495 -.2642 .041 .03 OHX1b -.0990 -.0495 -.2642 .07 .03 ClX1c 0 0 -.3194 .123 .03 OHX1c 0 0 -.3194 .21 .03 ClX2a 0 0 .2811 .067 .03 OHX2a 0 0 .2811 .183 .03 ClX2b 0 0 .2477 .067 .03 OHX2b 0 0 .2477 .183 .03 ClX2c 0 0 .1738 .067 .03 OHX2c 0 0 .1738 .183 .03 ClX2d -.0370 .0370 .1931 .022 .03 OHX2d -.0370 .0370 .1931 .061 .03