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 2
Locality: Bancroft, Ontario, Canada
_database_code_amcsd 0005823
9.985 9.985 8.372 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 .80  .0241  .0204  .0204  .0316 .01019      0       0
CaA        0      0 .01170 .04  .0241  .0204  .0204  .0316 .01019      0       0
NaB   .99813 .55455  .5174     .02352  .0312  .0241  .0204  .0176 -.0017   .0002
AlT1     2/3    1/3  .2114 .97  .0119  .0108  .0108  .0142  .0054      0       0
SiT1     2/3    1/3  .2114 .03  .0119  .0108  .0108  .0142  .0054      0       0
SiT2     1/3    2/3  .3225      .0118  .0123  .0123  .0110 .00613      0       0
SiT3  .75966 .66575  .3322     .01130  .0107  .0109  .0129  .0058  .0004   .0003
AlT4  .09294 .76047  .2056 .94 .01051  .0082  .0095  .0127  .0036  .0001  -.0001
SiT4  .09294 .76047  .2056 .06 .01051  .0082  .0095  .0127  .0036  .0001  -.0001
O1     .3720   .694  .5091 1/3   .035   .017   .072   .012   .020  .0070    .029
O2    .71056 .68338  .5121      .0243  .0187  .0462  .0140  .0208 -.0012   .0030
O3     .1731  .6497  .2621      .0314  .0131  .0119  .0692  .0064 -.0058   .0017
O4     .6516  .4889  .2759      .0263  .0148  .0113  .0541  .0076 -.0083  -.0078
O5     .9399  .7137  .3328      .0141  .0090  .0178  .0161  .0072  .0004  -.0012
O6     .7341  .7764  .2111      .0188  .0223  .0208  .0202  .0159  .0035   .0030