Fe7SiO10
Van Aken P A, Miehe G, Woodland A B, Angel R J
European Journal of Mineralogy 17 (2005) 723-731
Crystal structure and cation distribution in Fe7SiO10 ("Iscorite")
_database_code_amcsd 0007130
21.336 3.0679 5.8744 90 98.06 90 I2/m
atom       x y     z occ
Fe2+M1 .3054 0 .3932
Fe2+M2 .3031 0 .9100
Fe2+M3 .0873 0 .7901  .5
Fe3+M3 .0873 0 .7901  .5
Fe3+T  .4457 0 .2246  .5
SiT    .4457 0 .2246  .5
O1     .2023 0 .8484
O2     .2086 0 .3588
O3     .3985 0 .4553
O4     .4019 0 .9432
O5     .0141 0 .2474