Jacobsite Lucchesi S, Russo U, Della Giusta A European Journal of Mineralogy 9 (1997) 31-42 Crystal chemistry and cation distribution in some Mn-rich natural and synthetic spinels Sample: JBS3 _database_code_amcsd 0006639 CELL PARAMETERS: 8.4454 8.4454 8.4454 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 602.366 Density (g/cm3): 4.763 MAX. ABS. INTENSITY / VOLUME**2: 72.02609695 RIR: 4.924 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.19 6.81 4.8760 1 1 1 8 29.92 33.08 2.9859 2 2 0 12 35.25 100.00 2.5464 3 1 1 24 36.87 5.37 2.4380 2 2 2 8 42.83 19.37 2.1114 4 0 0 6 53.13 10.49 1.7239 4 2 2 24 56.63 27.53 1.6253 5 1 1 24 56.63 5.39 1.6253 3 3 3 8 62.18 41.98 1.4929 4 4 0 12 70.52 3.62 1.3353 6 2 0 24 73.54 8.41 1.2879 5 3 3 24 74.53 3.03 1.2732 6 2 2 24 78.46 2.29 1.2190 4 4 4 8 86.17 4.20 1.1286 6 4 2 48 89.04 5.55 1.0995 5 5 3 24 89.04 7.25 1.0995 7 3 1 48 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.