Spinel Martignago F, Andreozzi G B, Dal Negro A American Mineralogist 91 (2006) 306-312 Thermodynamics and kinetics of cation ordering in natural and synthetic Mg(Al,Fe3+)2O4 spinels from in situ high-temperature X-ray diffraction Locality: synthetic Sample: MgFe20, T = 200 C _database_code_amcsd 0004019 CELL PARAMETERS: 8.1256 8.1256 8.1256 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 536.496 Density (g/cm3): 3.664 MAX. ABS. INTENSITY / VOLUME**2: 21.97857922 RIR: 1.953 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.92 23.36 4.6913 1 1 1 8 31.13 34.79 2.8728 2 2 0 12 36.68 100.00 2.4500 3 1 1 24 44.61 46.82 2.0314 4 0 0 6 55.39 10.04 1.6586 4 2 2 24 59.07 39.78 1.5638 5 1 1 24 59.07 3.48 1.5638 3 3 3 8 64.92 65.14 1.4364 4 4 0 12 68.29 2.12 1.3735 5 3 1 48 73.75 3.24 1.2848 6 2 0 24 76.95 9.64 1.2391 5 3 3 24 82.19 5.28 1.1728 4 4 4 8 85.30 1.91 1.1378 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.