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 1 min _database_code_amcsd 0002826 CELL PARAMETERS: 8.0835 8.0835 8.0835 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 528.200 Density (g/cm3): 3.577 MAX. ABS. INTENSITY / VOLUME**2: 19.16845287 RIR: 1.745 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.02 29.96 4.6670 1 1 1 8 31.30 32.96 2.8579 2 2 0 12 36.88 100.00 2.4373 3 1 1 24 38.58 1.10 2.3335 2 2 2 8 44.85 55.90 2.0209 4 0 0 6 55.71 9.53 1.6500 4 2 2 24 59.41 3.35 1.5557 3 3 3 8 59.41 42.95 1.5557 5 1 1 24 65.30 72.54 1.4290 4 4 0 12 68.70 3.04 1.3664 5 3 1 48 74.19 3.10 1.2781 6 2 0 24 77.42 10.43 1.2327 5 3 3 24 82.71 6.76 1.1668 4 4 4 8 85.86 2.64 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.