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 BG2/2 _database_code_amcsd 0006524 CELL PARAMETERS: 8.1523 8.1523 8.1523 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 541.802 Density (g/cm3): 4.261 MAX. ABS. INTENSITY / VOLUME**2: 42.04931675 RIR: 3.213 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 31.03 58.57 2.8823 2 2 0 12 36.56 100.00 2.4580 3 1 1 24 44.45 13.50 2.0381 4 0 0 6 48.69 3.63 1.8703 3 3 1 24 55.20 16.97 1.6641 4 2 2 24 58.86 36.14 1.5689 5 1 1 24 58.86 4.00 1.5689 3 3 3 8 64.68 47.27 1.4411 4 4 0 12 73.46 5.57 1.2890 6 2 0 24 76.65 9.57 1.2432 5 3 3 24 77.70 1.15 1.2290 6 2 2 24 81.86 1.33 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.