Lomonosovite Camara F, Sokolova E, Hawthorne F C, Abdu Y Mineralogical Magazine 72 (2008) 1207-1228 From structure topology to chemical composition. IX. Titanium silicates: revision of the crystal chemistry of lomonosovite and murmanite, Group-IV minerals Locality: Lovozero alkaline massif, Russia _database_code_amcsd 0018518 5.4170 7.1190 14.487 99.957 96.711 90.360 P-1 atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Na(1) .17183 .41851 .23393 .975 .01759 .0170 .0217 .0139 -.0037 .0006 .0035 Na(2) .75658 .88235 -.00370 .975 .0231 .0126 .0159 .0356 .0029 -.0052 -.0045 Na(3) .67740 .97076 .36205 .945 .01881 .0222 .0142 .0181 -.00028 -.00070 -.00057 Ca(3) .67740 .97076 .36205 .055 .01881 .0222 .0142 .0181 -.00028 -.00070 -.00057 Na(4) .67504 .45798 .39770 .855 .02085 .0267 .0161 .0186 .0033 .0008 .0011 Mn2+(4) .67504 .45798 .39770 .080 .02085 .0267 .0161 .0186 .0033 .0008 .0011 Na(5) .23789 .74012 .41534 .0218 .0312 .0155 .0203 .0024 .0055 .0058 Ti(1) .16618 .92849 .21810 .760 .00803 .00720 .00757 .00951 .00042 .00135 .00179 Mn2+(1) .16618 .92849 .21810 .025 .00803 .00720 .00757 .00951 .00042 .00135 .00179 Nb(1) .16618 .92849 .21810 .155 .00803 .00720 .00757 .00951 .00042 .00135 .00179 Fe3+(1) .16618 .92849 .21810 .030 .00803 .00720 .00757 .00951 .00042 .00135 .00179 Ta(1) .16618 .92849 .21810 .005 .00803 .00720 .00757 .00951 .00042 .00135 .00179 Fe2+(1) .16618 .92849 .21810 .025 .00803 .00720 .00757 .00951 .00042 .00135 .00179 Ti(2) .77151 .38667 -.00770 .655 .01302 .01771 .01111 .00982 .00247 .00013 .00161 Mn2+(2) .77151 .38667 -.00770 .110 .01302 .01771 .01111 .00982 .00247 .00013 .00161 Nb(2) .77151 .38667 -.00770 .100 .01302 .01771 .01111 .00982 .00247 .00013 .00161 Zr(2) .77151 .38667 -.00770 .055 .01302 .01771 .01111 .00982 .00247 .00013 .00161 Mg(2) .77151 .38667 -.00770 .055 .01302 .01771 .01111 .00982 .00247 .00013 .00161 Fe2+(2) .77151 .38667 -.00770 .025 .01302 .01771 .01111 .00982 .00247 .00013 .00161 Si(1) .66652 .20422 .17702 .00734 .00813 .00652 .00755 .00007 .00122 .00152 Si(2) .64975 .64040 .19841 .00697 .00819 .00614 .00644 .00011 .00051 .00092 P .17814 .22491 .43221 .00901 .01012 .00799 .00866 .00022 .00141 .00056 O(1) .67330 .42899 .23057 .0132 .0233 .0064 .0098 .0017 .0019 .0015 O(2) .63916 .19579 .06524 .0129 .0156 .0144 .0081 .0009 .0007 .0013 O(3) .9287 .12230 .21347 .0194 .0174 .0180 .0215 .0091 -.0036 .0035 O(4) .4366 .10347 .21026 .0219 .0213 .0208 .0240 -.0112 .0098 .0009 O(5) .59482 .60837 .08374 .0127 .0182 .0128 .0067 -.0006 .0004 .0015 O(6) .90590 .75276 .24541 .0143 .0121 .0178 .0126 -.0066 .0011 .0024 O(7) .41669 .73437 .24916 .0117 .0105 .0132 .0111 .0047 .0010 .0011 O(8) .12981 .83454 .09180 .0146 .0144 .0195 .0089 -.0025 .0011 .0001 O(9) .0880 .42270 .07013 .0140 .0203 .0113 .0108 .0004 .0024 .0024 O(10) .23599 .03479 .36655 .0128 .0175 .0092 .0112 .0026 .0024 -.0003 O(11) .90049 .22363 .44212 .0187 .0119 .0196 .0247 .0009 .0065 .0011 O(12) .2497 .39967 .39089 .0181 .0272 .0104 .0176 -.0026 .0047 .0036 O(13) .3294 .23068 .52885 .0202 .0273 .0173 .0133 .0014 -.0059 .0008