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
Note: sample LAB3, peralkaline nepheline gneiss
Locality: Seal Lake, Labrador, Canada
_database_code_amcsd 0005802
5.4049 11.9175 11.7488 112.93 94.627 103.139 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)
Fe(1)  .8501 .20583 .47990 .876 .0140  .0130  .0125  .0175  .0040  .0039  .0069
Na(1)  .8501 .20583 .47990 .124 .0140  .0130  .0125  .0175  .0040  .0039  .0069
Fe(2)  .2806 .06789 .48911 .956 .0150  .0138  .0143  .0189  .0050  .0046  .0082
Fe(3)  .4227 .35217 .48551 .944 .0149  .0134  .0137  .0196  .0049  .0047  .0081
Fe(4)      0     .5     .5 .436 .0137  .0122  .0118  .0171  .0031  .0029  .0061
Mg(4)      0     .5     .5 .064 .0137  .0122  .0118  .0171  .0031  .0029  .0061
Ti    .07953 .08683 .19795 .575 .0136  .0107  .0132  .0180  .0039  .0031  .0073
Zr    .07953 .08683 .19795 .425 .0136  .0107  .0132  .0180  .0039  .0031  .0073
Si(1)  .6785 .27350  .2323      .0150  .0171  .0115  .0151  .0035  .0024  .0048
Si(2)  .8143 .54736  .2549      .0154  .0164  .0128  .0174  .0039  .0025  .0069
Si(3)  .3785 .67503 .25728      .0150  .0155  .0132  .0173  .0043  .0025  .0073
Si(4)  .5065 .93127  .2366      .0145  .0164  .0133  .0143  .0040  .0027  .0066
K      .1338  .2666  .9958 .949 .0616  .0925  .0504  .0341  .0129  .0071  .0147
Na        .5      0      0 .379 .0233  .0307  .0196  .0176  .0057  .0043  .0066
Ca        .5      0      0 .121 .0233  .0307  .0196  .0176  .0057  .0043  .0066
O(1)   .7272  .3188  .3842      .0156  .0157  .0164  .0151  .0046  .0035  .0069
O(2)   .1486  .1623  .3746      .0191  .0155  .0196  .0212  .0049  .0016  .0079
O(3)   .1272  .3917  .5930      .0161  .0149  .0175  .0163  .0049  .0030  .0072
OH(4)  .2986  .4631  .4016      .0180  .0158  .0162  .0213  .0037  .0036  .0074
OH(5)  .9892  .1164  .5922      .0183  .0189  .0168  .0203  .0051  .0045  .0088
O(6)   .5602  .2574  .5896      .0170  .0153  .0187  .0169  .0051  .0027  .0070
O(7)   .5728  .0145  .3890      .0155  .0143  .0146  .0167  .0028  .0023  .0064
O(8)   .0740  .5912  .2030      .0264  .0222  .0289  .0225  .0003  .0050  .0087
O(9)   .2493  .0416  .8262      .0497  .0391  .0497  .0245 -.0242  .0168 -.0029
O(10)  .4276  .4132  .7968      .0271  .0272  .0342  .0229  .0163  .0037  .0112
O(11)  .1287  .8057  .8302      .0495  .0819  .0678  .0257  .0634  .0212  .0217
O(12)  .2664  .9566  .1723      .0480  .0646  .0460  .0268  .0429 -.0116 -.0008
O(13) .26754  .6050  .8046      .0336  .0638  .0141  .0215  .0056  .0039  .0100
O(14)  .5727  .2208  .8003      .0353  .0646  .0145  .0225  .0030  .0045  .0086
O(15)  .3873  .1927  .1686      .0472  .0289  .0636  .0244 -.0274 -.0070  .0178
F(16)      0      0      0  .50 .0214  .0227  .0213  .0211  .0069  .0040  .0095