Phase-B-superfluorous
Hazen R M, Yang H, Prewitt C T, Gasparik T
American Mineralogist 82 (1997) 647-650
Crystal chemistry of superfluorous phase B (Mg10Si3O14F4): Implications for the
role of fluorine in the mantle
_database_code_amcsd 0001903
5.050 13.969 8.640 90 90 90 Pnnm
atom      x      y     z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Si1      .5      0     0  .0043  .0008  .0010  .0001      0      0
Si2   .4892  .3758     0  .0058  .0005  .0012 -.0006      0      0
Mg1   .1657  .1711     0  .0059  .0009  .0019 -.0001      0      0
Mg2   .1543  .3241 .3205  .0060  .0007  .0020 -.0001  .0002  .0001
Mg3      .5     .5 .3180  .0053  .0005  .0022  .0008      0      0
Mg4      .5      0 .3454  .0051  .0007  .0020 -.0002      0      0
O1    .3297  .4101 .1580  .0072  .0009  .0009  .0005  .0001      0
O2    .4914  .2561     0  .0068  .0004  .0016 -.0014      0      0
O3    .7887  .4196     0  .0016  .0007  .0027 -.0002      0      0
O4    .3541  .0732 .1453  .0041  .0003  .0019 -.0001 -.0001  .0001
F5   -.0101  .2439 .1633  .0100  .0017  .0034  .0008 -.0001 -.0006
O6    .1917 -.0797     0  .0061  .0004  .0030      0      0      0