Hercynite Larsson L, O'Neill H St C, Annersten H European Journal of Mineralogy 6 (1994) 39-51 Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy Sample: T = 900 C, Sample BG2/1 _database_code_amcsd 0006523 CELL PARAMETERS: 8.1522 8.1522 8.1522 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 541.782 Density (g/cm3): 4.261 MAX. ABS. INTENSITY / VOLUME**2: 41.81201227 RIR: 3.195 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 31.03 58.38 2.8822 2 2 0 12 36.56 100.00 2.4580 3 1 1 24 44.45 13.61 2.0380 4 0 0 6 48.69 3.58 1.8702 3 3 1 24 55.20 16.82 1.6641 4 2 2 24 58.86 3.96 1.5689 3 3 3 8 58.86 36.07 1.5689 5 1 1 24 64.68 46.96 1.4411 4 4 0 12 73.47 5.50 1.2890 6 2 0 24 76.65 9.48 1.2432 5 3 3 24 77.70 1.16 1.2290 6 2 2 24 81.87 1.31 1.1767 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.