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 = 800 C _database_code_amcsd 0006689 CELL PARAMETERS: 4.8657 10.5893 6.2066 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 319.791 Density (g/cm3): 3.558 MAX. ABS. INTENSITY / VOLUME**2: 11.11807385 RIR: 1.017 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.74 1.90 5.2947 0 2 0 2 20.08 1.18 4.4213 1 1 0 4 22.07 56.33 4.0281 0 2 1 4 23.23 11.76 3.8293 1 0 1 4 24.72 57.19 3.6010 1 1 1 8 24.85 9.12 3.5826 1 2 0 4 28.77 19.33 3.1033 0 0 2 2 28.77 5.70 3.1028 1 2 1 8 31.31 39.06 2.8571 1 3 0 4 33.47 14.40 2.6773 0 2 2 4 33.86 6.87 2.6473 0 4 0 2 34.56 100.00 2.5954 1 3 1 8 35.34 67.52 2.5401 1 1 2 8 36.91 3.41 2.4351 0 4 1 4 36.95 5.36 2.4328 2 0 0 2 37.95 8.11 2.3711 2 1 0 4 38.37 20.00 2.3457 1 2 2 8 38.72 14.52 2.3254 1 4 0 4 40.74 10.48 2.2150 2 1 1 8 43.03 10.15 2.1019 1 3 2 8 45.27 1.03 2.0031 2 3 0 4 46.78 8.57 1.9419 1 5 0 4 47.49 1.75 1.9146 2 0 2 4 48.59 7.95 1.8739 1 1 3 8 49.16 11.42 1.8533 1 5 1 8 50.70 56.25 1.8005 2 2 2 8 50.97 3.19 1.7916 1 2 3 8 50.98 20.24 1.7913 2 4 0 4 53.22 3.60 1.7211 2 4 1 8 54.02 4.09 1.6976 0 6 1 4 54.78 19.09 1.6757 1 3 3 8 56.45 3.42 1.6301 0 4 3 4 57.48 3.04 1.6032 3 1 0 4 59.28 1.68 1.5589 2 1 3 8 59.56 4.72 1.5523 3 1 1 8 59.58 17.13 1.5517 0 0 4 2 59.62 1.33 1.5508 3 2 0 4 59.78 2.20 1.5470 2 5 1 8 60.33 29.72 1.5341 0 6 2 4 61.38 1.35 1.5105 2 2 3 8 61.65 1.14 1.5045 3 2 1 8 64.51 3.82 1.4446 1 7 0 4 65.05 5.72 1.4339 3 3 1 8 65.32 1.09 1.4286 2 6 0 4 65.54 3.32 1.4244 3 1 2 8 65.98 2.33 1.4159 1 5 3 8 67.52 7.52 1.3872 3 2 2 8 67.76 2.95 1.3830 3 4 0 4 68.86 3.31 1.3635 1 3 4 8 69.65 2.82 1.3499 3 4 1 8 70.08 1.07 1.3427 0 6 3 4 70.32 1.08 1.3387 0 4 4 4 72.21 2.04 1.3082 2 0 4 4 72.89 3.86 1.2977 2 6 2 8 75.14 1.19 1.2644 2 5 3 8 78.66 2.09 1.2164 4 0 0 2 78.98 2.31 1.2122 1 5 4 8 79.27 1.23 1.2085 0 2 5 4 79.92 2.27 1.2003 3 3 3 8 80.81 1.21 1.1894 3 5 2 8 81.01 1.40 1.1870 2 7 2 8 82.19 3.46 1.1728 2 4 4 8 82.20 1.01 1.1727 3 6 1 8 83.06 2.66 1.1627 2 8 0 4 84.21 1.97 1.1498 3 4 3 8 85.24 3.12 1.1385 1 3 5 8 86.41 1.30 1.1261 4 1 2 8 86.54 2.51 1.1247 1 9 1 8 88.23 1.75 1.1075 4 2 2 8 88.45 1.15 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.