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 = 950 C _database_code_amcsd 0006692 CELL PARAMETERS: 4.8657 10.5894 6.2066 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 319.794 Density (g/cm3): 3.558 MAX. ABS. INTENSITY / VOLUME**2: 10.93383551 RIR: 1.001 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.74 2.82 5.2947 0 2 0 2 20.08 1.61 4.4213 1 1 0 4 22.07 57.48 4.0281 0 2 1 4 23.23 16.48 3.8293 1 0 1 4 24.72 56.03 3.6010 1 1 1 8 24.85 8.97 3.5826 1 2 0 4 28.77 18.40 3.1033 0 0 2 2 28.77 3.18 3.1028 1 2 1 8 31.31 40.72 2.8572 1 3 0 4 33.47 14.65 2.6773 0 2 2 4 33.86 6.99 2.6474 0 4 0 2 34.56 100.00 2.5954 1 3 1 8 35.34 70.31 2.5401 1 1 2 8 36.91 3.42 2.4351 0 4 1 4 36.95 5.64 2.4328 2 0 0 2 37.95 5.31 2.3711 2 1 0 4 38.37 20.65 2.3457 1 2 2 8 38.72 14.38 2.3254 1 4 0 4 40.74 10.86 2.2150 2 1 1 8 43.03 10.84 2.1020 1 3 2 8 45.27 2.05 2.0031 2 3 0 4 46.78 9.02 1.9419 1 5 0 4 47.49 1.65 1.9146 2 0 2 4 48.59 7.83 1.8739 1 1 3 8 49.16 11.32 1.8533 1 5 1 8 50.70 57.85 1.8005 2 2 2 8 50.97 2.47 1.7916 1 2 3 8 50.98 20.86 1.7913 2 4 0 4 53.22 3.65 1.7211 2 4 1 8 54.02 4.12 1.6976 0 6 1 4 54.52 1.90 1.6830 2 3 2 8 54.78 19.11 1.6757 1 3 3 8 56.45 3.46 1.6301 0 4 3 4 57.48 3.18 1.6032 3 1 0 4 58.85 1.10 1.5692 3 0 1 4 59.28 1.75 1.5589 2 1 3 8 59.56 4.95 1.5523 3 1 1 8 59.58 17.41 1.5517 0 0 4 2 59.62 1.28 1.5508 3 2 0 4 59.78 2.02 1.5470 2 5 1 8 60.33 30.22 1.5342 0 6 2 4 61.38 1.38 1.5105 2 2 3 8 63.08 1.02 1.4738 3 3 0 4 64.51 3.95 1.4446 1 7 0 4 65.05 5.95 1.4339 3 3 1 8 65.32 1.06 1.4286 2 6 0 4 65.54 3.49 1.4244 3 1 2 8 65.98 2.31 1.4159 1 5 3 8 67.52 7.47 1.3872 3 2 2 8 67.76 3.16 1.3830 3 4 0 4 68.86 3.46 1.3635 1 3 4 8 69.65 1.84 1.3499 3 4 1 8 70.08 1.08 1.3427 0 6 3 4 70.32 1.10 1.3387 0 4 4 4 72.21 2.11 1.3082 2 0 4 4 72.89 4.00 1.2977 2 6 2 8 74.31 1.31 1.2764 3 0 3 4 75.14 1.12 1.2644 2 5 3 8 78.66 2.22 1.2164 4 0 0 2 78.98 2.42 1.2122 1 5 4 8 79.27 1.25 1.2086 0 2 5 4 79.92 2.36 1.2003 3 3 3 8 80.81 1.27 1.1894 3 5 2 8 81.00 1.08 1.1870 2 7 2 8 82.19 3.57 1.1728 2 4 4 8 82.20 1.53 1.1727 3 6 1 8 83.06 2.74 1.1627 2 8 0 4 84.21 1.44 1.1498 3 4 3 8 85.24 3.13 1.1385 1 3 5 8 86.54 2.51 1.1247 1 9 1 8 88.23 1.92 1.1075 4 2 2 8 88.45 1.25 1.1053 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.