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 = 600 C, t = 1842 h _database_code_amcsd 0008952 CELL PARAMETERS: 8.0975 8.0975 8.0975 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 530.949 Density (g/cm3): 3.278 MAX. ABS. INTENSITY / VOLUME**2: 13.46733272 RIR: 1.338 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.98 35.43 4.6751 1 1 1 8 31.24 31.07 2.8629 2 2 0 12 36.81 100.00 2.4415 3 1 1 24 38.51 5.48 2.3375 2 2 2 8 44.77 73.19 2.0244 4 0 0 6 55.60 8.60 1.6529 4 2 2 24 59.30 3.10 1.5584 3 3 3 8 59.30 41.76 1.5584 5 1 1 24 65.17 79.82 1.4314 4 4 0 12 68.56 3.55 1.3687 5 3 1 48 74.04 2.72 1.2803 6 2 0 24 77.26 9.58 1.2349 5 3 3 24 82.54 8.30 1.1688 4 4 4 8 85.67 2.80 1.1339 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.