Hercynite Lavina B, Princivalle F, Della Giusta A Physics and Chemistry of Minerals 32 (2005) 83-88 Controlled time-temperature oxidation reaction in a synthetic Mg-hercynite Spinel structure Sample: Annealing temperature and time T = 500 C, t = 24 h _database_code_amcsd 0008939 CELL PARAMETERS: 8.1388 8.1388 8.1388 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 539.115 Density (g/cm3): 4.017 MAX. ABS. INTENSITY / VOLUME**2: 33.62709300 RIR: 2.726 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.89 1.46 4.6989 1 1 1 8 31.08 55.27 2.8775 2 2 0 12 36.62 100.00 2.4539 3 1 1 24 44.53 19.49 2.0347 4 0 0 6 48.77 3.08 1.8672 3 3 1 24 55.30 15.82 1.6613 4 2 2 24 58.97 3.73 1.5663 3 3 3 8 58.97 38.10 1.5663 5 1 1 24 64.80 53.07 1.4388 4 4 0 12 73.61 5.11 1.2869 6 2 0 24 76.80 9.72 1.2412 5 3 3 24 82.03 2.15 1.1747 4 4 4 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.