Ni2SiO4 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: Duration time: 48-51 h _database_code_amcsd 0007413 8.0860 8.0860 8.0860 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) Ni .625 .625 .625 .00486 .00486 .00486 -.00045 -.00045 -.00045 Si 0 0 0 .00521 .00521 .00521 0 0 0 O .3675 .3675 .3675 .00535 .00535 .00535 -.00055 -.00055 -.00055