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 3
Locality: Monte Somma, Italy
_database_code_amcsd 0005824
9.9979 9.9979 8.3852 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 .88 .02170 .01841 .01841  .0283 .00920      0       0
NaB   .99817 .55432  .5179 .98 .02255  .0305  .0230  .0190 .01703 -.0011   .0008
CaB   .99817 .55432  .5179 .02 .02255  .0305  .0230  .0190 .01703 -.0011   .0008
AlT1     2/3    1/3  .2118 .99 .01030  .0098  .0098  .0113 .00491      0       0
SiT1     2/3    1/3  .2118 .01 .01030  .0098  .0098  .0113 .00491      0       0
SiT2     1/3    2/3 .32226     .01048 .01035 .01035  .0107 .00517      0       0
SiT3  .75948 .66603 .33221     .00994 .00933 .00965  .0117 .00538 -.0001 -.00061
AlT4  .09289 .76022 .20557 .98 .00960  .0081  .0085  .0117 .00376  .0003  -.0002
SiT4  .09289 .76022 .20557 .01 .00960  .0081  .0085  .0117 .00376  .0003  -.0002
FeT4  .09289 .76022 .20557 .01 .00960  .0081  .0085  .0117 .00376  .0003  -.0002
O(1)   .3698  .7021  .5099 1/3  .0273   .027   .043  .0088  .0152  -.001    .001
O(2)  .71021 .68420  .5111     .02174  .0178  .0416  .0112  .0189  .0009   .0011
O(3)  .17348 .64926  .2616      .0290  .0096  .0124  .0657  .0060 -.0042   .0032
O(4)  .65115 .48976  .2757      .0251  .0133  .0097  .0531  .0062 -.0061  -.0083
O(5)  .94001 .71420  .3341      .0146  .0098  .0189  .0151  .0073  .0011  -.0008
O(6)  .73421 .77705  .2109      .0167  .0220  .0172  .0175  .0147  .0036   .0040