Forsterite Redfern S A T, Artioli G, Rinaldi R, Henderson C M B, Knight K S, Wood B J Physics and Chemistry of Minerals 27 (2000) 630-637 Octahedral cation ordering in olivine at high temperature. II: an in situ neutron powder diffraction study on synthetic MgFeSiO4 (Fa50) Sample: T = 500 C _database_code_amcsd 0008463 CELL PARAMETERS: 4.8190 10.4091 6.0841 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 305.187 Density (g/cm3): 3.748 MAX. ABS. INTENSITY / VOLUME**2: 13.03214269 RIR: 1.132 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.04 14.39 5.2045 0 2 0 2 20.31 3.11 4.3731 1 1 0 4 22.48 26.15 3.9549 0 2 1 4 23.55 12.10 3.7776 1 0 1 4 25.08 40.40 3.5510 1 1 1 8 25.19 9.52 3.5360 1 2 0 4 29.21 3.91 3.0572 1 2 1 8 29.36 9.09 3.0420 0 0 2 2 31.78 83.84 2.8158 1 3 0 4 34.14 16.74 2.6263 0 2 2 4 34.46 4.47 2.6023 0 4 0 2 35.12 69.99 2.5554 1 3 1 8 35.96 100.00 2.4973 1 1 2 8 37.32 7.48 2.4095 2 0 0 2 37.59 12.18 2.3926 0 4 1 4 38.34 7.02 2.3474 2 1 0 4 39.06 20.04 2.3061 1 2 2 8 39.35 15.91 2.2898 1 4 0 4 41.22 11.28 2.1901 2 1 1 8 43.81 5.48 2.0664 1 3 2 8 44.01 1.03 2.0577 2 2 1 8 45.85 1.65 1.9791 2 3 0 4 45.89 2.32 1.9775 0 4 2 4 47.58 4.15 1.9111 1 5 0 4 49.55 7.09 1.8398 1 1 3 8 50.03 5.70 1.8233 1 5 1 8 51.47 68.90 1.7755 2 2 2 8 51.70 20.34 1.7680 2 4 0 4 51.98 2.76 1.7592 1 2 3 8 54.01 11.44 1.6978 2 4 1 8 55.04 12.84 1.6684 0 6 1 4 55.38 1.58 1.6589 2 3 2 8 55.87 16.00 1.6456 1 3 3 8 56.90 10.30 1.6183 1 5 2 8 57.62 7.27 1.5996 0 4 3 4 58.10 3.94 1.5875 3 1 0 4 60.25 4.85 1.5361 3 1 1 8 60.30 1.46 1.5349 3 2 0 4 60.31 2.04 1.5346 2 1 3 8 60.57 4.05 1.5286 2 4 2 8 60.73 3.10 1.5250 2 5 1 8 60.91 22.08 1.5210 0 0 4 2 61.53 27.75 1.5070 0 6 2 4 63.86 4.36 1.4577 3 3 0 4 65.72 10.83 1.4209 1 7 0 4 65.89 6.47 1.4176 3 3 1 8 66.43 8.10 1.4074 3 1 2 8 67.32 1.33 1.3909 1 5 3 8 68.39 2.01 1.3716 2 6 1 8 68.47 9.74 1.3703 3 2 2 8 68.67 3.05 1.3669 3 4 0 4 70.35 10.68 1.3383 1 3 4 8 70.63 2.89 1.3336 3 4 1 8 70.69 1.77 1.3327 2 4 3 8 71.57 4.37 1.3183 0 6 3 4 71.90 1.22 1.3132 0 4 4 4 73.65 3.54 1.2862 2 0 4 4 74.22 3.10 1.2777 2 6 2 8 74.30 1.02 1.2765 2 1 4 8 74.96 1.02 1.2670 1 4 4 8 75.50 1.22 1.2592 3 0 3 4 76.15 1.03 1.2501 3 1 3 8 76.58 1.79 1.2441 2 5 3 8 79.57 3.83 1.2047 4 0 0 2 80.75 1.58 1.1901 1 5 4 8 81.28 3.06 1.1837 3 3 3 8 82.15 5.80 1.1734 3 5 2 8 82.57 1.78 1.1684 2 7 2 8 83.21 1.37 1.1611 1 8 2 8 83.55 1.60 1.1572 3 6 1 8 83.61 1.27 1.1565 2 6 3 8 83.92 5.23 1.1530 2 4 4 8 84.65 2.43 1.1449 2 8 0 4 85.71 2.40 1.1335 3 4 3 8 86.50 1.26 1.1251 2 8 1 8 87.29 3.76 1.1170 1 3 5 8 87.61 1.59 1.1137 4 1 2 8 89.16 1.32 1.0983 3 1 4 8 89.50 3.88 1.0950 4 2 2 8 89.68 2.04 1.0933 4 4 0 4 89.90 3.63 1.0912 3 7 0 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.