Nepheline
Tait K T, Sokolova E V, Hawthorne F C, Khomyakov A P
The Canadian Mineralogist 41 (2003) 61-70
The crystal chemistry of nepheline
Note: sample 1
Locality: Khibina-Lovozero complex, Kola peninsula, Russia
_database_code_amcsd 0005822
9.9995 9.9995 8.384 90 90 120 P6_3
atom      x      y      z  occ   Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
KA        0      0 .01170 .955 .02164 .01898 .01898  .0270 .00949      0      0
NaB  .99905 .55466  .5178      .02311  .0311  .0238  .0193  .0174 -.0013  .0010
AlT1    2/3    1/3  .2121  .97 .01011  .0096  .0096  .0112 .00478      0      0
SiT1    2/3    1/3  .2121  .02 .01011  .0096  .0096  .0112 .00478      0      0
FeT1    2/3    1/3  .2121  .01 .01011  .0096  .0096  .0112 .00478      0      0
SiT2    1/3    2/3  .3222      .01037  .0101  .0101  .0109 .00506      0      0
SiT3 .75946 .66605 .33229      .00985  .0091  .0096  .0115  .0051 -.0001 -.0002
AlT4 .09249 .75965 .20566  .97 .00899  .0077  .0084  .0107  .0038  .0001 -.0001
SiT4 .09249 .75965 .20566  .02 .00899  .0077  .0084  .0107  .0038  .0001 -.0001
FeT4 .09249 .75965 .20566  .01 .00899  .0077  .0084  .0107  .0038  .0001 -.0001
O1    .3697   .696  .5103  1/3   .027   .017   .049  .0091   .013   .002   .005
O2   .71067 .68560  .5113      .02036  .0170  .0384  .0107  .0176 -.0007 -.0003
O3    .1728  .6484  .2610       .0274  .0111  .0104  .0618  .0063 -.0042  .0030
O4    .6516 .48999  .2766       .0240  .0140  .0105  .0484  .0075 -.0061 -.0086
O5   .94000 .71478  .3346       .0136  .0097  .0174  .0133  .0065  .0001 -.0014
O6   .73563 .77827  .2110       .0166  .0211  .0163  .0185  .0138  .0026  .0041