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 = 550 C _database_code_amcsd 0008464 CELL PARAMETERS: 4.8212 10.4148 6.0882 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 305.700 Density (g/cm3): 3.742 MAX. ABS. INTENSITY / VOLUME**2: 12.90832664 RIR: 1.123 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.03 14.37 5.2074 0 2 0 2 20.30 2.99 4.3752 1 1 0 4 22.47 26.20 3.9573 0 2 1 4 23.54 12.20 3.7796 1 0 1 4 25.06 40.92 3.5529 1 1 1 8 25.17 9.70 3.5378 1 2 0 4 29.20 3.94 3.0588 1 2 1 8 29.34 9.26 3.0441 0 0 2 2 31.76 83.93 2.8172 1 3 0 4 34.12 16.77 2.6280 0 2 2 4 34.45 4.46 2.6037 0 4 0 2 35.10 70.48 2.5568 1 3 1 8 35.94 100.00 2.4988 1 1 2 8 37.30 7.46 2.4106 2 0 0 2 37.57 12.32 2.3940 0 4 1 4 38.33 7.03 2.3485 2 1 0 4 39.04 20.01 2.3075 1 2 2 8 39.33 15.86 2.2910 1 4 0 4 41.20 11.31 2.1911 2 1 1 8 43.78 5.37 2.0676 1 3 2 8 43.98 1.06 2.0587 2 2 1 8 45.83 1.65 1.9801 2 3 0 4 45.86 2.22 1.9787 0 4 2 4 47.55 4.09 1.9121 1 5 0 4 49.51 7.13 1.8410 1 1 3 8 50.00 5.73 1.8243 1 5 1 8 51.44 68.65 1.7764 2 2 2 8 51.68 20.27 1.7689 2 4 0 4 51.94 2.75 1.7603 1 2 3 8 53.98 11.38 1.6986 2 4 1 8 55.01 12.83 1.6693 0 6 1 4 55.35 1.56 1.6598 2 3 2 8 55.83 16.01 1.6467 1 3 3 8 56.86 10.22 1.6192 1 5 2 8 57.58 7.24 1.6006 0 4 3 4 58.08 3.93 1.5883 3 1 0 4 60.22 4.89 1.5368 3 1 1 8 60.27 1.45 1.5356 3 2 0 4 60.27 2.04 1.5355 2 1 3 8 60.54 3.98 1.5294 2 4 2 8 60.70 3.08 1.5258 2 5 1 8 60.86 21.94 1.5221 0 0 4 2 61.50 27.48 1.5079 0 6 2 4 63.82 4.30 1.4584 3 3 0 4 65.68 10.71 1.4217 1 7 0 4 65.85 6.39 1.4183 3 3 1 8 66.39 7.90 1.4081 3 1 2 8 67.28 1.34 1.3917 1 5 3 8 68.35 2.01 1.3724 2 6 1 8 68.43 9.65 1.3710 3 2 2 8 68.63 3.01 1.3675 3 4 0 4 70.30 10.52 1.3391 1 3 4 8 70.59 2.87 1.3343 3 4 1 8 70.64 1.77 1.3334 2 4 3 8 71.53 4.32 1.3191 0 6 3 4 71.85 1.20 1.3140 0 4 4 4 73.60 3.49 1.2870 2 0 4 4 74.18 3.04 1.2784 2 6 2 8 74.25 1.01 1.2773 2 1 4 8 74.90 1.00 1.2678 1 4 4 8 75.45 1.21 1.2599 3 0 3 4 76.10 1.04 1.2508 3 1 3 8 76.53 1.76 1.2448 2 5 3 8 79.53 3.74 1.2053 4 0 0 2 80.69 1.52 1.1908 1 5 4 8 81.23 3.00 1.1843 3 3 3 8 82.09 5.71 1.1740 3 5 2 8 82.52 1.75 1.1690 2 7 2 8 83.15 1.37 1.1617 1 8 2 8 83.50 1.58 1.1577 3 6 1 8 83.55 1.27 1.1572 2 6 3 8 83.86 5.12 1.1537 2 4 4 8 84.60 2.35 1.1455 2 8 0 4 85.65 2.36 1.1341 3 4 3 8 86.44 1.25 1.1257 2 8 1 8 87.22 3.72 1.1177 1 3 5 8 87.56 1.57 1.1142 4 1 2 8 89.10 1.28 1.0989 3 1 4 8 89.44 3.80 1.0956 4 2 2 8 89.63 2.00 1.0938 4 4 0 4 89.84 3.55 1.0918 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.