Murmanite
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: Yubileynaya pegmatite vein, Karnasut Mountain, Lovozero alkaline massif
_database_code_amcsd 0018519
5.3875 7.0579 12.176 93.511 107.943 90.093 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)    .3843  .8278 .19944 .890  .0255  .0231  .0226  .0316  .0011  .0095  .0010
Ca(1)    .3843  .8278 .19944 .075  .0255  .0231  .0226  .0316  .0011  .0095  .0010
K(1)     .3843  .8278 .19944 .025  .0255  .0231  .0226  .0316  .0011  .0095  .0010
Na(2)    .7374  .6117 .49032 .755  .0277  .0245  .0211  .0453  .0080  .0205  .0108
Mn(2)    .7374  .6117 .49032 .070  .0277  .0245  .0211  .0453  .0080  .0205  .0108
Ca(2)    .7374  .6117 .49032 .030  .0277  .0245  .0211  .0453  .0080  .0205  .0108
Ti(1)   .41614 .32516  .2405 .835  .0136  .0095  .0140  .0182  .0007  .0052  .0027
Nb(1)   .41614 .32516  .2405 .110  .0136  .0095  .0140  .0182  .0007  .0052  .0027
Fe3+(1) .41614 .32516  .2405 .055  .0136  .0095  .0140  .0182  .0007  .0052  .0027
Ti(2)   .27783 .88695 .50472 .700  .0197  .0189  .0157  .0252 .00195  .0073  .0030
Nb(2)   .27783 .88695 .50472 .145  .0197  .0189  .0157  .0252 .00195  .0073  .0030
Mn(2)   .27783 .88695 .50472 .095  .0197  .0189  .0157  .0252 .00195  .0073  .0030
Mg(2)   .27783 .88695 .50472 .035  .0197  .0189  .0157  .0252 .00195  .0073  .0030
Fe3+(2) .27783 .88695 .50472 .020  .0197  .0189  .0157  .0252 .00195  .0073  .0030
Zr(2)   .27783 .88695 .50472 .005  .0197  .0189  .0157  .0252 .00195  .0073  .0030
Si(1)   .92177 .05009 .25961       .0138  .0115  .0108  .0199  .0000  .0055  .0025
Si(2)   .94748 .62237 .27519       .0152  .0135  .0106  .0222  .0008  .0062  .0028
O(1)     .1367  .1365  .2105       .0382  .0421   .050  .0249 -.0315  .0150 -.0031
O(2)     .6368  .1309  .2023       .0377  .0301   .049  .0267  .0274 -.0012 -.0043
O(3)     .0014  .9327  .5987       .0171  .0144  .0172  .0214  .0010  .0075  .0025
O(4)     .8993  .8248  .2163       .0264  .0397  .0119  .0260  .0015  .0077  .0008
O(5)     .6701  .5178  .2395       .0411  .0386   .048  .0367 -.0331  .0132 -.0006
O(6)     .0615  .6659  .4145       .0212  .0208  .0181  .0242  .0023  .0061  .0027
O(7)     .1633  .5200  .2294       .0395  .0354   .044  .0365  .0278  .0078 -.0035
O(8)     .5306  .3005  .3940       .0204  .0163  .0225  .0228 -.0003  .0060  .0041
O(9)     .5033  .8939  .4131       .0178  .0152  .0161  .0226  .0007  .0061  .0023
Ow(10)   .2815  .3373  .0436       .0375   .049  .0324  .0302  .0069  .0096  .0058
Ow(11)   .2528  .7255  .0060       .0359  .0365  .0380  .0343  .0012  .0115  .0087
H(1)      .305   .277  -.020      .04504
H(2)      .152   .423   .026      .04504
H(3)      .244  .5988  -.013      .04305
H(4)      .290    .79  -.047      .04305
Ti(1A)    .389  .3251  .2036  .02  .0136   .009  .0140  .0182  .0007  .0052  .0027
Ti(1B)    .455   .325   .294  .05  .0136   .009  .0140  .0182  .0007  .0052  .0027