Meliphanite
Grice J D, Hawthorne F C
The Canadian Mineralogist 40 (2002) 971-980
New data on meliphanite, Ca4(Na,Ca)4Be4AlSi7O24(F,O)4
_database_code_amcsd 0005779
10.5257 10.5257 9.8868 90 90 90 I-4
atom      x      y      z  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca   .25462 .09040 .25568 .0102  .0129  .0083  .0094  .0000 -.0013  .0010
Na   .23900 .08693 .75073 .0242  .0387  .0147  .0192  .0007  .0054  .0025
Al        0      0      0 .0063  .0061  .0061  .0069      0      0      0
Si1       0      0     .5 .0069  .0057  .0057  .0094      0      0      0
Si2      .5      0 .00573 .0096  .0089  .0091  .0109 -.0003      0      0
Si3  .25251 .88834 .97402 .0085  .0088  .0081  .0085  .0002 -.0007 -.0004
Be   .24830 .89319 .47330 .0085  .0092  .0066  .0097 -.0000  .0002  .0012
O1   .25297 .25601 .08835 .0093  .0076  .0126  .0078 -.0002 -.0011  .0001
O2   .12502 .96902 .40747 .0108  .0083  .0118  .0124  .0018  .0019  .0025
O3   .12831 .95323 .90262 .0101  .0080  .0122  .0100  .0023 -.0011  .0020
O4   .37662 .95923 .40499 .0093  .0069  .0104  .0107 -.0019 -.0016  .0020
O5   .37771 .96106 .90772 .0110  .0096  .0129  .0105 -.0030 -.0011  .0013
O6   .25369 .89533 .13478 .0096  .0107  .0106  .0076  .0003 -.0008 -.0004
F    .24825 .89211 .63154 .0139  .0155  .0157  .0104 -.0011  .0006 -.0016