Gahnite O'Neill H St C, Dollase W A Physics and Chemistry of Minerals 20 (1994) 541-555 Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Sample: ZnAl2O4/900, preferred values of spinel structure parameters Locality: synthetic _database_code_amcsd 0007848 CELL PARAMETERS: 8.0865 8.0865 8.0865 90.000 90.000 90.000 SPACE GROUP: Fd-3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 528.788 Density (g/cm3): 4.606 MAX. ABS. INTENSITY / VOLUME**2: 58.32560914 RIR: 4.123 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.01 4.91 4.6687 1 1 1 8 31.29 76.91 2.8590 2 2 0 12 36.87 100.00 2.4382 3 1 1 24 44.83 4.03 2.0216 4 0 0 6 49.11 9.77 1.8552 3 3 1 24 55.68 24.70 1.6506 4 2 2 24 59.39 4.49 1.5562 3 3 3 8 59.39 36.12 1.5562 5 1 1 24 65.27 44.20 1.4295 4 4 0 12 68.67 1.38 1.3669 5 3 1 48 74.16 8.73 1.2786 6 2 0 24 77.39 10.31 1.2332 5 3 3 24 85.82 1.35 1.1323 7 1 1 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.