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 = 1250 C _database_code_amcsd 0008474 CELL PARAMETERS: 4.8497 10.5034 6.1418 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 312.853 Density (g/cm3): 3.656 MAX. ABS. INTENSITY / VOLUME**2: 11.21538348 RIR: 0.999 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.88 7.45 5.2517 0 2 0 2 22.27 26.36 3.9915 0 2 1 4 23.37 9.10 3.8062 1 0 1 4 24.88 50.80 3.5785 1 1 1 8 24.99 11.84 3.5629 1 2 0 4 28.97 9.14 3.0819 1 2 1 8 29.08 14.15 3.0709 0 0 2 2 31.52 89.99 2.8387 1 3 0 4 33.81 16.45 2.6509 0 2 2 4 34.15 4.16 2.6258 0 4 0 2 34.82 74.97 2.5768 1 3 1 8 35.64 100.00 2.5188 1 1 2 8 37.07 6.62 2.4248 2 0 0 2 37.24 15.19 2.4144 0 4 1 4 38.09 13.20 2.3627 2 1 0 4 38.71 17.54 2.3261 1 2 2 8 39.01 17.92 2.3091 1 4 0 4 40.93 10.44 2.2052 2 1 1 8 43.41 4.02 2.0845 1 3 2 8 43.68 2.18 2.0724 2 2 1 8 45.45 2.74 1.9957 0 4 2 4 47.15 2.69 1.9276 1 5 0 4 48.62 2.14 1.8726 2 1 2 8 49.07 7.75 1.8564 1 1 3 8 49.56 3.86 1.8392 1 5 1 8 51.05 63.44 1.7892 2 2 2 8 51.28 18.30 1.7815 2 4 0 4 51.48 4.48 1.7751 1 2 3 8 53.56 12.24 1.7109 2 4 1 8 54.51 13.34 1.6835 0 6 1 4 55.33 15.00 1.6605 1 3 3 8 56.35 10.41 1.6326 1 5 2 8 57.04 8.45 1.6145 0 4 3 4 57.70 3.68 1.5978 3 1 0 4 59.77 1.60 1.5472 2 1 3 8 59.81 4.13 1.5463 3 1 1 8 59.86 2.13 1.5450 3 2 0 4 60.04 3.28 1.5409 2 4 2 8 60.20 4.47 1.5372 2 5 1 8 60.28 19.99 1.5354 0 0 4 2 60.92 23.64 1.5208 0 6 2 4 61.93 1.93 1.4983 3 2 1 8 63.37 3.59 1.4677 3 3 0 4 65.07 10.30 1.4334 1 7 0 4 65.37 4.25 1.4275 3 3 1 8 65.90 7.03 1.4174 3 1 2 8 67.76 1.39 1.3829 2 6 1 8 67.91 9.80 1.3802 3 2 2 8 68.11 1.95 1.3766 3 4 0 4 69.62 9.43 1.3505 1 3 4 8 70.01 1.41 1.3439 2 4 3 8 70.05 3.90 1.3433 3 4 1 8 70.82 4.15 1.3305 0 6 3 4 72.92 2.85 1.2972 2 0 4 4 73.50 2.15 1.2884 2 6 2 8 73.57 1.52 1.2875 2 1 4 8 75.82 2.34 1.2546 2 5 3 8 78.97 2.58 1.2124 4 0 0 2 79.87 1.24 1.2010 1 5 4 8 80.53 1.68 1.1928 3 3 3 8 81.39 4.86 1.1824 3 5 2 8 81.73 1.54 1.1783 2 7 2 8 82.31 1.19 1.1715 1 8 2 8 82.77 1.28 1.1660 3 6 1 8 83.03 3.91 1.1631 2 4 4 8 83.78 1.45 1.1546 2 8 0 4 84.88 2.61 1.1424 3 4 3 8 86.29 2.63 1.1273 1 3 5 8 86.87 2.06 1.1213 4 1 2 8 88.27 1.10 1.1071 3 1 4 8 88.72 2.49 1.1026 4 2 2 8 88.91 1.33 1.1008 4 4 0 4 89.01 2.52 1.0998 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.