Astrophyllite
Piilonen P C, McDonald A M, Lalonde A E
The Canadian Mineralogist 41 (2003) 27-54
Insights into astrophyllite-group minerals II: Crystal chemistry
Sample: RUS8, nepheline syenite pegmatite
Locality: Khibina massif, Kola Peninsula, Russia
_database_code_amcsd 0005806
5.3754 11.8970 11.6634 113.133 94.638 103.081 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)
Mn(1) .84960 .20628 .47984 .900 .0093  .0076  .0092  .0122  .0028  .0027  .0051
Na(1) .84960 .20628 .47984 .100 .0093  .0076  .0092  .0122  .0028  .0027  .0051
Fe(2) .28050 .06758 .48885 .946 .0097  .0077  .0101  .0128  .0032  .0035  .0059
Fe(3) .42326 .35296 .48618 .847 .0097  .0079  .0097  .0134  .0036  .0036  .0059
Mg(3) .42326 .35296 .48618 .153 .0097  .0079  .0097  .0134  .0036  .0036  .0059
Fe(4)      0     .5     .5 .385 .0087  .0068  .0078  .0115  .0023  .0017  .0041
Mg(4)      0     .5     .5 .115 .0087  .0068  .0078  .0115  .0023  .0017  .0041
Ti     .0801 .08710 .19911 .958 .0075  .0054  .0086  .0086  .0022  .0014  .0037
Zr     .0801 .08710 .19911 .042 .0075  .0054  .0086  .0086  .0022  .0014  .0037
Si(1)  .6780 .27199 .23169      .0083  .0081  .0073  .0092  .0017  .0013  .0034
Si(2)  .8139 .54579 .25301      .0092  .0084  .0081  .0114  .0022  .0020  .0045
Si(3)  .3798 .67496 .25557      .0093  .0089  .0088  .0108  .0025  .0019  .0048
Si(4)  .5068 .93187 .23565      .0082  .0088  .0082  .0083  .0025  .0017  .0040
K      .1338  .2657 .99575  .90 .0442  .0633  .0378  .0251  .0094  .0043  .0105
Na     .1338  .2657 .99575  .10 .0442  .0633  .0378  .0251  .0094  .0043  .0105
Na        .5      0      0 .291 .0132  .0183  .0126  .0075  .0042  .0019  .0034
Ca        .5      0      0 .209 .0132  .0183  .0126  .0075  .0042  .0019  .0034
O(1)   .7264  .3194  .3849      .0110  .0105  .0121  .0095  .0027  .0021  .0040
O(2)   .1480  .1603  .3698      .0120  .0124  .0129  .0100  .0033  .0015  .0045
O(3)   .1286  .3929  .5936      .0113  .0105  .0123  .0117  .0031  .0017  .0059
OH(4)  .2974  .4619  .3998      .0128  .0110  .0126  .0153  .0039  .0027  .0060
OH(5)  .9910  .1170  .5929      .0135  .0124  .0127  .0148  .0033  .0031  .0052
O(6)   .5561  .2576  .5899      .0110  .0110  .0106  .0113  .0029  .0017  .0048
O(7)   .5728 .01493  .3890      .0109  .0119  .0123  .0085  .0039  .0021  .0041
O(8)   .0743  .5904  .2008      .0212  .0154  .0270  .0149 -.0025  .0041  .0067
O(9)   .2474  .0410  .8284      .0302  .0218  .0309  .0161 -.0141  .0092 -.0015
O(10)  .4275  .4146  .8003      .0211  .0235  .0267  .0158  .0173  .0029  .0064
O(11)  .1283  .8085  .8314      .0297  .0469  .0426  .0166  .0391  .0132  .0139
O(12)  .2644  .9569  .1702      .0290  .0369  .0296  .0169  .0264 -.0070 -.0007
O(13)  .2673  .6080  .8069      .0223  .0418  .0090  .0140  .0028  .0037  .0055
O(14)  .5718  .2208  .8025      .0231  .0437  .0104  .0160  .0044  .0055  .0081
O(15)  .3824  .1901  .1667      .0298  .0164  .0435  .0165 -.0164 -.0043  .0145
F(16)      0      0      0  .50 .0137  .0166  .0142  .0093  .0043  .0019  .0041