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 = 600 C _database_code_amcsd 0006685 CELL PARAMETERS: 4.8423 10.5515 6.1795 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 315.732 Density (g/cm3): 3.604 MAX. ABS. INTENSITY / VOLUME**2: 10.72456143 RIR: 0.969 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.80 2.71 5.2758 0 2 0 2 22.15 26.11 4.0124 0 2 1 4 23.34 10.23 3.8115 1 0 1 4 24.84 67.33 3.5848 1 1 1 8 24.96 12.53 3.5674 1 2 0 4 28.90 23.44 3.0898 0 0 2 2 28.90 8.10 3.0896 1 2 1 8 31.44 76.39 2.8457 1 3 0 4 33.61 15.45 2.6662 0 2 2 4 33.99 4.34 2.6379 0 4 0 2 34.71 100.00 2.5848 1 3 1 8 35.50 91.29 2.5288 1 1 2 8 37.06 18.74 2.4261 0 4 1 4 37.13 6.25 2.4211 2 0 0 2 38.14 10.90 2.3598 2 1 0 4 38.55 21.03 2.3355 1 2 2 8 38.88 18.82 2.3165 1 4 0 4 40.94 9.83 2.2045 2 1 1 8 43.22 1.93 2.0932 1 3 2 8 43.66 1.84 2.0730 2 2 1 8 46.97 1.89 1.9346 1 5 0 4 47.72 2.50 1.9057 2 0 2 4 48.54 2.05 1.8754 2 1 2 8 48.82 10.87 1.8656 1 1 3 8 49.36 6.25 1.8462 1 5 1 8 50.95 69.35 1.7924 2 2 2 8 51.21 4.25 1.7838 1 2 3 8 51.21 21.07 1.7837 2 4 0 4 53.47 14.13 1.7138 2 4 1 8 54.23 13.96 1.6914 0 6 1 4 55.04 21.55 1.6686 1 3 3 8 56.09 9.52 1.6397 1 5 2 8 56.70 9.84 1.6235 0 4 3 4 57.79 2.79 1.5955 3 1 0 4 59.58 1.70 1.5518 2 1 3 8 59.87 22.99 1.5449 0 0 4 2 59.87 6.68 1.5449 3 1 1 8 59.87 1.66 1.5448 2 4 2 8 59.93 2.01 1.5435 3 2 0 4 60.05 4.30 1.5406 2 5 1 8 60.58 28.98 1.5284 0 6 2 4 61.97 2.18 1.4975 3 2 1 8 63.41 3.40 1.4670 3 3 0 4 64.78 11.91 1.4392 1 7 0 4 65.38 6.34 1.4273 3 3 1 8 65.88 6.05 1.4177 3 1 2 8 66.28 1.38 1.4102 1 5 3 8 67.56 2.19 1.3866 2 6 1 8 67.88 11.31 1.3808 3 2 2 8 68.10 2.82 1.3768 3 4 0 4 69.20 9.09 1.3577 1 3 4 8 69.74 2.19 1.3484 2 4 3 8 70.01 3.91 1.3439 3 4 1 8 70.40 4.31 1.3375 0 6 3 4 70.66 1.31 1.3331 0 4 4 4 72.44 1.61 1.3046 1 7 2 8 72.59 3.34 1.3023 2 0 4 4 73.23 1.55 1.2925 2 1 4 8 73.24 2.65 1.2924 2 6 2 8 73.71 1.06 1.2853 1 4 4 8 75.35 1.53 1.2614 3 1 3 8 75.51 2.25 1.2591 2 5 3 8 79.11 3.45 1.2106 4 0 0 2 80.36 2.95 1.1949 3 3 3 8 81.24 5.24 1.1842 3 5 2 8 81.40 1.52 1.1822 2 7 2 8 81.86 1.60 1.1767 1 8 2 8 82.37 1.41 1.1707 2 6 3 8 82.62 4.97 1.1678 2 4 4 8 82.63 1.43 1.1677 3 6 1 8 83.46 1.79 1.1582 2 8 0 4 84.68 3.04 1.1446 3 4 3 8 85.25 1.61 1.1384 2 8 1 8 85.70 4.52 1.1336 1 3 5 8 86.92 2.48 1.1208 4 1 2 8 88.76 3.06 1.1023 4 2 2 8 88.82 3.16 1.1017 3 7 0 4 88.96 1.62 1.1002 4 4 0 4 89.83 1.58 1.0919 3 2 4 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.