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: JBS1 _database_code_amcsd 0006638 CELL PARAMETERS: 8.4075 8.4075 8.4075 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 594.293 Density (g/cm3): 4.620 MAX. ABS. INTENSITY / VOLUME**2: 67.08294799 RIR: 4.728 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.28 3.73 4.8541 1 1 1 8 30.06 35.92 2.9725 2 2 0 12 35.41 100.00 2.5350 3 1 1 24 37.04 3.48 2.4270 2 2 2 8 43.03 18.26 2.1019 4 0 0 6 53.39 11.84 1.7162 4 2 2 24 56.91 27.88 1.6180 5 1 1 24 56.91 5.68 1.6180 3 3 3 8 62.49 44.24 1.4863 4 4 0 12 70.89 4.25 1.3293 6 2 0 24 73.92 8.92 1.2821 5 3 3 24 74.92 2.53 1.2675 6 2 2 24 78.88 2.25 1.2135 4 4 4 8 86.66 4.94 1.1235 6 4 2 48 89.55 8.10 1.0946 7 3 1 48 89.55 6.02 1.0946 5 5 3 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.