Spinel Princivalle F, Martignago F, Dal Negro A American Mineralogist 91 (2006) 313-318 Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Locality: Olkhon metamorphic complex, Lake Baikal, Russia Sample: Sc, annealed at T = 650 C, ordering, t = 0 m _database_code_amcsd 0004096 CELL PARAMETERS: 8.1163 8.1163 8.1163 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 534.656 Density (g/cm3): 3.672 MAX. ABS. INTENSITY / VOLUME**2: 21.14905148 RIR: 1.875 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.94 37.48 4.6859 1 1 1 8 31.17 28.64 2.8695 2 2 0 12 36.72 100.00 2.4472 3 1 1 24 44.66 55.36 2.0291 4 0 0 6 55.46 7.88 1.6567 4 2 2 24 59.15 3.36 1.5620 3 3 3 8 59.15 39.23 1.5620 5 1 1 24 65.00 64.76 1.4348 4 4 0 12 68.38 3.63 1.3719 5 3 1 48 73.84 2.42 1.2833 6 2 0 24 77.05 9.26 1.2377 5 3 3 24 78.11 1.51 1.2236 6 2 2 24 82.31 6.20 1.1715 4 4 4 8 85.43 2.54 1.1365 5 5 1 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.