Spinel Meducin F, Redfern S A T, Le Godec Y, Stone H J, Tucker M G, Dove M T, Marshall W G American Mineralogist 89 (2004) 981-986 Study of cation order-disorder in MgAl2O4 spinel by in situ neutron diffraction up to 1600 K and 3.2 GPa Sample at T = 273 K and P = 0 GPa, inversion parameter x = .320 _database_code_amcsd 0003569 CELL PARAMETERS: 8.0834 8.0834 8.0834 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 528.180 Density (g/cm3): 3.578 MAX. ABS. INTENSITY / VOLUME**2: 18.65383314 RIR: 1.698 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.02 30.56 4.6670 1 1 1 8 31.30 34.15 2.8579 2 2 0 12 36.88 100.00 2.4372 3 1 1 24 38.58 1.65 2.3335 2 2 2 8 44.85 56.60 2.0208 4 0 0 6 55.71 9.70 1.6500 4 2 2 24 59.41 2.97 1.5557 3 3 3 8 59.41 43.22 1.5557 5 1 1 24 65.30 72.64 1.4290 4 4 0 12 68.70 2.61 1.3663 5 3 1 48 74.20 3.09 1.2781 6 2 0 24 77.42 9.79 1.2327 5 3 3 24 82.71 6.46 1.1667 4 4 4 8 85.86 2.51 1.1319 5 5 1 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.