Ahrensite
Yamanaka T
Physics and Chemistry of Minerals 13 (1986) 227-232
Crystal structures of Ni2SiO4 and Fe2SiO4 as a function of
temperature and heating duration
Sample: T = 600 C
Locality: synthetic
_database_code_amcsd 0007407
8.3114 8.3114 8.3114 90 90 90 Fd3m
atom     x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Fe    .625  .625  .625 .00687 .00687 .00687 -.00019 -.00019 -.00019
Si       0     0     0 .00654 .00654 .00654       0       0       0
O    .3657 .3657 .3657 .00763 .00763 .00763 -.00087 -.00087 -.00087