Spinel Andreozzi G B, Princivalle F American Mineralogist 87 (2002) 838-844 Kinetics of cation ordering in synthetic MgAl2O4 spinel Sample: annealed at 1000 deg C for 12h, then isothermally ordered at 900 deg C for 4320 min _database_code_amcsd 0002830 CELL PARAMETERS: 8.0838 8.0838 8.0838 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 528.259 Density (g/cm3): 3.577 MAX. ABS. INTENSITY / VOLUME**2: 19.11668352 RIR: 1.740 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.02 30.23 4.6672 1 1 1 8 31.30 33.04 2.8581 2 2 0 12 36.88 100.00 2.4374 3 1 1 24 38.58 1.10 2.3336 2 2 2 8 44.85 55.92 2.0210 4 0 0 6 55.70 9.51 1.6501 4 2 2 24 59.41 3.32 1.5557 3 3 3 8 59.41 43.01 1.5557 5 1 1 24 65.30 72.38 1.4290 4 4 0 12 68.69 3.04 1.3664 5 3 1 48 74.19 3.08 1.2782 6 2 0 24 77.42 10.38 1.2328 5 3 3 24 82.71 6.73 1.1668 4 4 4 8 85.85 2.65 1.1320 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.