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 800 deg C for 20 min _database_code_amcsd 0002835 CELL PARAMETERS: 8.0843 8.0843 8.0843 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 528.357 Density (g/cm3): 3.576 MAX. ABS. INTENSITY / VOLUME**2: 19.13205824 RIR: 1.742 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.01 30.59 4.6675 1 1 1 8 31.30 33.10 2.8582 2 2 0 12 36.88 100.00 2.4375 3 1 1 24 38.58 1.10 2.3337 2 2 2 8 44.85 56.10 2.0211 4 0 0 6 55.70 9.52 1.6502 4 2 2 24 59.41 3.29 1.5558 3 3 3 8 59.41 43.42 1.5558 5 1 1 24 65.29 72.80 1.4291 4 4 0 12 68.69 3.10 1.3665 5 3 1 48 74.19 3.07 1.2782 6 2 0 24 77.41 10.47 1.2328 5 3 3 24 82.70 6.81 1.1669 4 4 4 8 85.84 2.73 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.