Hercynite Andreozzi G B, Lucchesi S American Mineralogist 87 (2002) 1113-1120 Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto) - hercynite series by single-crystal X-ray diffraction Sample: He5a/a _database_code_amcsd 0002877 CELL PARAMETERS: 8.1134 8.1134 8.1134 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 534.083 Density (g/cm3): 3.828 MAX. ABS. INTENSITY / VOLUME**2: 26.81618205 RIR: 2.281 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.95 7.18 4.6843 1 1 1 8 31.18 47.29 2.8685 2 2 0 12 36.74 100.00 2.4463 3 1 1 24 44.68 29.42 2.0284 4 0 0 6 48.93 1.70 1.8613 3 3 1 24 55.48 13.75 1.6561 4 2 2 24 59.17 3.60 1.5614 3 3 3 8 59.17 39.61 1.5614 5 1 1 24 65.03 58.82 1.4343 4 4 0 12 73.88 4.52 1.2828 6 2 0 24 77.08 9.91 1.2373 5 3 3 24 82.34 3.16 1.1711 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.