Fayalite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from single crystal data of R100103 Smyth J R American Mineralogist 60 (1975) 1092-1097 High temperature crystal chemistry of fayalite T = 300 deg C olivine _database_code_amcsd 0000481 CELL PARAMETERS: 4.8290 10.4970 6.0950 90.000 90.000 90.000 SPACE GROUP: Pbnm ATOM X Y Z OCCUPANCY ISO(B) Fe 0.00000 0.00000 0.00000 1.000 1.148 Fe 0.98590 0.28030 0.25000 1.000 1.030 Si 0.42940 0.09760 0.25000 1.000 0.745 O 0.76720 0.09330 0.25000 1.000 0.876 O 0.20860 0.45290 0.25000 1.000 0.870 O 0.28970 0.16300 0.03950 1.000 0.909 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 4 +/- 9 +/- 5 MAX. ABS. INTENSITY / VOLUME**2: 21.19530693 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 16.89 8.97 5.2485 0 2 0 20.24 9.73 4.3870 1 1 0 22.35 9.49 3.9771 0 2 1 23.50 4.81 3.7850 1 0 1 25.01 62.96 3.5606 1 1 1 25.06 5.83 3.5537 1 2 0 29.09 3.54 3.0700 1 2 1 29.31 6.23 3.0475 0 0 2 31.58 95.00 2.8334 1 3 0 34.02 35.12 2.6354 0 2 2 34.17 10.55 2.6242 0 4 0 34.92 64.83 2.5693 1 3 1 35.88 100.00 2.5029 1 1 2 37.24 15.75 2.4145 2 0 0 37.31 13.13 2.4103 0 4 1 38.25 6.59 2.3531 2 1 0 38.93 11.67 2.3134 1 2 2 39.07 10.81 2.3058 1 4 0 41.12 6.70 2.1951 2 1 1 43.62 5.85 2.0751 1 3 2 43.87 1.89 2.0639 2 2 1 45.62 2.17 1.9886 0 4 2 47.21 2.60 1.9253 1 5 0 49.44 10.43 1.8436 1 1 3 49.66 6.21 1.8359 1 5 1 51.32 67.90 1.7803 2 2 2 51.43 21.59 1.7768 2 4 0 51.84 2.18 1.7638 1 2 3 53.74 11.18 1.7058 2 4 1 54.57 12.32 1.6816 0 6 1 55.67 14.23 1.6511 1 3 3 56.54 16.69 1.6277 1 5 2 57.35 6.74 1.6065 0 4 3 57.96 4.09 1.5911 3 1 0 60.10 5.45 1.5395 3 1 1 60.13 1.17 1.5389 3 2 0 60.17 1.01 1.5378 2 1 3 60.30 3.16 1.5350 2 4 2 60.37 2.29 1.5333 2 5 1 60.79 18.82 1.5237 0 0 4 61.07 22.54 1.5173 0 6 2 62.22 1.05 1.4921 3 2 1 63.63 5.42 1.4623 3 3 0 65.14 12.03 1.4321 1 7 0 65.66 6.80 1.4220 3 3 1 66.27 9.00 1.4104 3 1 2 66.96 1.43 1.3975 1 5 3 67.93 2.82 1.3799 2 6 1 68.28 5.96 1.3737 3 2 2 68.37 1.21 1.3721 3 4 0 70.12 11.64 1.3420 1 3 4 70.33 2.35 1.3386 3 4 1 70.39 2.00 1.3375 2 4 3 71.11 4.15 1.3257 0 6 3 71.61 2.24 1.3177 0 4 4 73.49 4.93 1.2886 2 0 4 73.75 4.17 1.2847 2 6 2 75.97 1.17 1.2527 3 1 3 76.20 1.33 1.2493 2 5 3 79.37 3.68 1.2072 4 0 0 81.01 3.22 1.1869 3 3 3 81.74 6.57 1.1781 3 5 2 81.98 1.20 1.1753 2 7 2 83.12 1.63 1.1621 2 6 3 83.59 5.82 1.1567 2 4 4 83.93 2.03 1.1529 2 8 0 85.37 1.83 1.1371 3 4 3 85.77 1.63 1.1328 2 8 1 87.02 3.17 1.1198 1 3 5 87.38 1.69 1.1160 4 1 2 88.94 1.34 1.1005 3 1 4 89.24 4.83 1.0976 4 2 2 89.27 4.09 1.0972 3 7 0 89.32 2.09 1.0968 4 4 0 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.