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 = 700 C, Sample HCl/1 _database_code_amcsd 0006509 CELL PARAMETERS: 8.1517 8.1517 8.1517 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 541.682 Density (g/cm3): 4.262 MAX. ABS. INTENSITY / VOLUME**2: 42.06177073 RIR: 3.214 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 31.03 61.22 2.8821 2 2 0 12 36.56 100.00 2.4578 3 1 1 24 44.46 12.47 2.0379 4 0 0 6 48.69 4.35 1.8701 3 3 1 24 55.20 17.55 1.6640 4 2 2 24 58.87 3.87 1.5688 3 3 3 8 58.87 36.60 1.5688 5 1 1 24 64.68 46.83 1.4410 4 4 0 12 73.47 5.70 1.2889 6 2 0 24 76.65 9.53 1.2431 5 3 3 24 77.70 1.01 1.2289 6 2 2 24 81.87 1.18 1.1766 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.