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: Ch1, annealed at T = 850 C, ordering, t = 60 m _database_code_amcsd 0004084 CELL PARAMETERS: 8.0919 8.0919 8.0919 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 529.848 Density (g/cm3): 3.647 MAX. ABS. INTENSITY / VOLUME**2: 20.65600572 RIR: 1.844 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.00 23.89 4.6719 1 1 1 8 31.26 35.55 2.8609 2 2 0 12 36.84 100.00 2.4398 3 1 1 24 44.80 47.99 2.0230 4 0 0 6 55.64 9.90 1.6518 4 2 2 24 59.34 3.32 1.5573 3 3 3 8 59.34 39.95 1.5573 5 1 1 24 65.22 64.60 1.4305 4 4 0 12 68.61 2.18 1.3678 5 3 1 48 74.10 3.08 1.2794 6 2 0 24 77.32 9.39 1.2340 5 3 3 24 82.61 5.23 1.1680 4 4 4 8 85.74 1.97 1.1331 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.