MgMnSiO4 Redfern S A T, Henderson C M B, Knight K S, Wood B J European Journal of Mineralogy 9 (1997) 287-300 High-temperature order-disorder in (Fe0.5Mn0.5)2SiO4 and (Mg0.5Mn0.5)2SiO4 olivines: an in situ neutron diffraction study Sample: T = 450 C _database_code_amcsd 0006682 CELL PARAMETERS: 4.8327 10.5385 6.1689 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 314.182 Density (g/cm3): 3.622 MAX. ABS. INTENSITY / VOLUME**2: 11.51510368 RIR: 1.035 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.83 1.36 5.2692 0 2 0 2 22.19 24.51 4.0066 0 2 1 4 23.38 10.48 3.8043 1 0 1 4 24.88 69.04 3.5783 1 1 1 8 25.00 11.51 3.5616 1 2 0 4 28.95 24.37 3.0845 0 0 2 2 28.95 6.76 3.0844 1 2 1 8 31.48 68.95 2.8415 1 3 0 4 33.67 14.75 2.6619 0 2 2 4 34.03 4.19 2.6346 0 4 0 2 34.76 100.00 2.5809 1 3 1 8 35.56 83.05 2.5243 1 1 2 8 37.11 17.87 2.4229 0 4 1 4 37.21 5.88 2.4164 2 0 0 2 38.21 9.26 2.3553 2 1 0 4 38.61 21.00 2.3316 1 2 2 8 38.93 17.66 2.3132 1 4 0 4 41.02 9.39 2.2003 2 1 1 8 41.10 1.03 2.1964 2 2 0 4 43.29 1.55 2.0899 1 3 2 8 43.75 1.73 2.0692 2 2 1 8 45.56 1.04 1.9908 2 3 0 4 47.04 1.65 1.9320 1 5 0 4 47.82 2.96 1.9022 2 0 2 4 48.64 1.64 1.8719 2 1 2 8 48.91 11.16 1.8624 1 1 3 8 49.44 6.83 1.8437 1 5 1 8 51.05 67.69 1.7892 2 2 2 8 51.30 3.75 1.7808 1 2 3 8 51.30 21.11 1.7808 2 4 0 4 53.56 13.51 1.7109 2 4 1 8 54.30 13.30 1.6893 0 6 1 4 55.13 21.81 1.6659 1 3 3 8 56.18 8.78 1.6373 1 5 2 8 56.79 9.44 1.6210 0 4 3 4 57.91 2.50 1.5924 3 1 0 4 59.69 1.67 1.5490 2 1 3 8 59.98 22.48 1.5422 0 0 4 2 59.98 1.20 1.5422 2 4 2 8 60.00 7.12 1.5419 3 1 1 8 60.06 1.80 1.5405 3 2 0 4 60.16 3.83 1.5382 2 5 1 8 60.67 29.09 1.5263 0 6 2 4 62.10 1.82 1.4946 3 2 1 8 63.54 3.19 1.4643 3 3 0 4 64.87 11.48 1.4374 1 7 0 4 65.52 6.70 1.4247 3 3 1 8 66.03 5.64 1.4150 3 1 2 8 66.39 1.59 1.4080 1 5 3 8 67.67 2.19 1.3845 2 6 1 8 68.02 11.00 1.3782 3 2 2 8 68.24 3.05 1.3744 3 4 0 4 69.33 8.53 1.3554 1 3 4 8 69.87 2.13 1.3462 2 4 3 8 70.15 3.51 1.3415 3 4 1 8 70.51 4.12 1.3355 0 6 3 4 70.79 1.32 1.3310 0 4 4 4 72.56 1.77 1.3029 1 7 2 8 72.74 3.23 1.3000 2 0 4 4 73.37 2.64 1.2904 2 6 2 8 73.38 1.36 1.2902 2 1 4 8 73.85 1.06 1.2832 1 4 4 8 75.51 1.74 1.2590 3 1 3 8 75.66 2.03 1.2570 2 5 3 8 79.30 3.61 1.2082 4 0 0 2 80.53 3.19 1.1928 3 3 3 8 80.94 1.00 1.1878 1 1 5 8 81.40 5.14 1.1822 3 5 2 8 81.54 1.45 1.1805 2 7 2 8 82.00 1.53 1.1751 1 8 2 8 82.53 1.46 1.1689 2 6 3 8 82.79 5.22 1.1658 2 4 4 8 82.79 1.47 1.1658 3 6 1 8 83.60 1.91 1.1566 2 8 0 4 84.86 2.89 1.1426 3 4 3 8 85.40 1.72 1.1368 2 8 1 8 85.88 4.73 1.1317 1 3 5 8 87.13 2.21 1.1186 4 1 2 8 88.97 3.17 1.1002 4 2 2 8 89.00 3.19 1.0999 3 7 0 4 89.17 1.68 1.0982 4 4 0 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.