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 150 min _database_code_amcsd 0002837 CELL PARAMETERS: 8.0846 8.0846 8.0846 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 528.416 Density (g/cm3): 3.576 MAX. ABS. INTENSITY / VOLUME**2: 19.09332466 RIR: 1.739 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.01 31.14 4.6676 1 1 1 8 31.29 33.22 2.8583 2 2 0 12 36.87 100.00 2.4376 3 1 1 24 38.58 1.08 2.3338 2 2 2 8 44.84 56.19 2.0212 4 0 0 6 55.70 9.50 1.6503 4 2 2 24 59.40 3.25 1.5559 3 3 3 8 59.40 43.76 1.5559 5 1 1 24 65.29 72.86 1.4292 4 4 0 12 68.68 3.15 1.3665 5 3 1 48 74.18 3.05 1.2783 6 2 0 24 77.41 10.49 1.2329 5 3 3 24 78.47 1.01 1.2188 6 2 2 24 82.70 6.81 1.1669 4 4 4 8 85.84 2.78 1.1321 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.