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 = 1200 C _database_code_amcsd 0008472 CELL PARAMETERS: 4.8488 10.5009 6.1399 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 312.624 Density (g/cm3): 3.659 MAX. ABS. INTENSITY / VOLUME**2: 11.20055771 RIR: 0.997 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.89 7.66 5.2505 0 2 0 2 22.28 26.37 3.9904 0 2 1 4 23.38 9.92 3.8053 1 0 1 4 24.89 51.21 3.5776 1 1 1 8 25.00 12.08 3.5622 1 2 0 4 28.98 8.39 3.0812 1 2 1 8 29.09 14.13 3.0700 0 0 2 2 31.52 91.01 2.8381 1 3 0 4 33.82 16.68 2.6502 0 2 2 4 34.15 4.17 2.6252 0 4 0 2 34.83 75.47 2.5762 1 3 1 8 35.65 100.00 2.5181 1 1 2 8 37.08 6.75 2.4244 2 0 0 2 37.25 15.25 2.4138 0 4 1 4 38.09 12.54 2.3623 2 1 0 4 38.72 17.64 2.3255 1 2 2 8 39.02 17.73 2.3086 1 4 0 4 40.93 10.66 2.2047 2 1 1 8 43.42 3.89 2.0840 1 3 2 8 43.69 2.24 2.0720 2 2 1 8 45.46 2.56 1.9952 0 4 2 4 47.16 2.67 1.9272 1 5 0 4 48.63 1.87 1.8722 2 1 2 8 49.09 7.88 1.8559 1 1 3 8 49.58 4.16 1.8387 1 5 1 8 51.06 64.61 1.7888 2 2 2 8 51.30 18.48 1.7811 2 4 0 4 51.50 4.24 1.7746 1 2 3 8 53.57 12.15 1.7106 2 4 1 8 54.52 13.52 1.6831 0 6 1 4 55.34 15.12 1.6600 1 3 3 8 56.37 10.55 1.6322 1 5 2 8 57.06 8.37 1.6141 0 4 3 4 57.71 3.78 1.5975 3 1 0 4 59.79 1.63 1.5468 2 1 3 8 59.82 4.47 1.5460 3 1 1 8 59.88 2.03 1.5447 3 2 0 4 60.05 3.33 1.5406 2 4 2 8 60.21 4.26 1.5369 2 5 1 8 60.30 20.12 1.5350 0 0 4 2 60.93 23.63 1.5204 0 6 2 4 61.94 1.71 1.4980 3 2 1 8 63.39 3.64 1.4674 3 3 0 4 65.09 10.21 1.4331 1 7 0 4 65.39 4.33 1.4272 3 3 1 8 65.92 6.94 1.4171 3 1 2 8 67.78 1.52 1.3826 2 6 1 8 67.93 9.62 1.3799 3 2 2 8 68.13 2.01 1.3763 3 4 0 4 69.64 9.58 1.3502 1 3 4 8 70.03 1.44 1.3436 2 4 3 8 70.06 3.75 1.3430 3 4 1 8 70.84 4.18 1.3301 0 6 3 4 72.94 2.89 1.2969 2 0 4 4 73.53 2.15 1.2881 2 6 2 8 73.59 1.45 1.2871 2 1 4 8 75.85 2.24 1.2543 2 5 3 8 78.98 2.63 1.2122 4 0 0 2 79.89 1.20 1.2007 1 5 4 8 80.55 1.73 1.1925 3 3 3 8 81.41 5.06 1.1821 3 5 2 8 81.75 1.56 1.1780 2 7 2 8 82.33 1.22 1.1712 1 8 2 8 82.80 1.28 1.1658 3 6 1 8 83.06 3.95 1.1627 2 4 4 8 83.81 1.49 1.1543 2 8 0 4 84.91 2.53 1.1421 3 4 3 8 85.62 1.00 1.1344 2 8 1 8 86.32 2.67 1.1270 1 3 5 8 86.89 1.97 1.1210 4 1 2 8 88.30 1.13 1.1068 3 1 4 8 88.75 2.63 1.1024 4 2 2 8 88.93 1.42 1.1005 4 4 0 4 89.04 2.60 1.0995 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.