Citation: Redfern, S. A. T.; Artioli, G.; Rinaldi, R.; Henderson, C. M. B.; Knight, K. S.; Wood, B. J. (2000). Octahedral cation ordering in olivine at high temperature. II: an in situ neutron powder diffraction study on synthetic MgFeSiO4 (Fa50) Sample: T = 450 C. Physics and Chemistry of Minerals, 27, pp. 630-637.