Fe7SiO10 Smuts J, Steyn J G D, Boeyens J C A Acta Crystallographica B25 (1969) 1251-1255 The crystal structure of an iron silicate, iscorite _database_code_amcsd 0009352 CELL PARAMETERS: 21.4000 3.0600 5.8800 90.000 98.000 90.000 SPACE GROUP: P2_1/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 381.299 Density (g/cm3): 5.042 MAX. ABS. INTENSITY / VOLUME**2: 21.76798585 RIR: 1.406 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 4.17 14.11 21.1917 1 0 0 2 8.34 69.95 10.5959 2 0 0 2 12.53 4.53 7.0639 3 0 0 2 15.22 3.85 5.8228 0 0 1 2 16.32 2.69 5.4321 -2 0 1 2 16.34 3.88 5.4251 1 0 1 2 18.35 5.61 4.8355 -3 0 1 2 18.38 1.14 4.8273 2 0 1 2 21.08 1.64 4.2144 3 0 1 2 25.21 6.52 3.5320 6 0 0 2 27.70 8.09 3.2201 5 0 1 2 29.49 7.17 3.0286 1 1 0 4 30.69 7.41 2.9128 -2 0 2 2 30.71 8.99 2.9114 0 0 2 2 31.35 19.44 2.8535 -7 0 1 2 31.40 1.19 2.8491 6 0 1 2 31.87 31.53 2.8079 3 1 0 4 32.98 33.04 2.7160 -4 0 2 2 33.02 38.64 2.7126 2 0 2 2 33.07 1.37 2.7090 -1 1 1 4 33.07 2.93 2.7087 0 1 1 4 33.62 23.80 2.6661 -2 1 1 4 33.63 1.00 2.6653 1 1 1 4 33.83 1.13 2.6498 4 1 0 4 33.84 65.83 2.6490 8 0 0 2 34.71 35.91 2.5845 2 1 1 4 35.21 1.26 2.5486 -8 0 1 2 35.27 11.15 2.5450 7 0 1 2 36.21 29.59 2.4810 5 1 0 4 36.26 24.47 2.4777 -4 1 1 4 37.19 19.44 2.4178 -6 0 2 2 37.25 17.71 2.4137 4 0 2 2 38.29 16.80 2.3509 4 1 1 4 39.22 7.13 2.2968 -9 0 1 2 40.64 5.26 2.2199 -6 1 1 4 41.98 9.53 2.1521 7 1 0 4 42.65 100.00 2.1200 -1 1 2 4 42.67 37.50 2.1192 10 0 0 2 43.41 4.18 2.0844 9 0 1 2 43.52 23.06 2.0794 -3 1 2 4 43.55 22.24 2.0783 1 1 2 4 46.37 1.19 1.9583 -8 1 1 4 46.78 1.12 1.9419 -3 0 3 2 48.80 4.11 1.8661 9 1 0 4 49.65 1.04 1.8362 8 0 2 2 49.67 4.79 1.8354 8 1 1 4 51.77 1.49 1.7660 12 0 0 2 53.12 7.26 1.7241 -10 1 1 4 55.48 6.68 1.6563 -9 1 2 4 55.56 7.15 1.6542 7 1 2 4 56.11 2.00 1.6390 0 1 3 4 56.46 1.98 1.6298 -13 0 1 2 56.81 7.25 1.6205 -4 1 3 4 56.87 3.61 1.6190 10 1 1 4 57.11 1.50 1.6127 -12 0 2 2 57.15 1.93 1.6118 -9 0 3 2 57.22 1.60 1.6100 10 0 2 2 57.94 10.32 1.5917 2 1 3 4 59.30 6.09 1.5583 -6 1 3 4 60.10 2.61 1.5395 7 0 3 2 60.51 28.29 1.5300 0 2 0 2 61.12 1.03 1.5163 4 1 3 4 61.13 1.88 1.5160 13 0 1 2 61.86 40.20 1.4998 -11 1 2 4 61.95 40.13 1.4978 9 1 2 4 63.08 1.52 1.4737 -11 0 3 2 63.26 22.96 1.4700 -2 0 4 2 64.80 13.88 1.4387 13 1 0 4 65.41 4.92 1.4267 -14 0 2 2 65.53 5.37 1.4246 12 0 2 2 65.82 2.56 1.4189 -15 0 1 2 69.38 1.06 1.3545 -2 2 2 4 69.39 1.27 1.3544 0 2 2 4 69.74 2.48 1.3484 -7 2 1 4 70.66 5.08 1.3330 -4 2 2 4 70.69 5.85 1.3326 2 2 2 4 71.11 1.38 1.3258 8 1 3 4 71.17 11.06 1.3249 8 2 0 4 72.02 1.92 1.3113 7 2 1 4 72.57 1.51 1.3027 -5 1 4 4 72.62 1.94 1.3019 1 1 4 4 73.21 5.36 1.2929 -6 2 2 4 73.25 5.03 1.2922 4 2 2 4 73.64 4.59 1.2863 -10 0 4 2 73.77 4.84 1.2844 6 0 4 2 73.89 3.78 1.2827 15 1 0 4 74.16 1.53 1.2786 -12 1 3 4 74.52 1.35 1.2733 -9 2 1 4 75.08 3.59 1.2653 -7 1 4 4 75.16 3.70 1.2641 3 1 4 4 76.85 7.48 1.2405 10 2 0 4 78.80 1.09 1.2146 -9 1 4 4 79.24 3.23 1.2089 -12 0 4 2 79.40 3.06 1.2068 8 0 4 2 81.81 1.81 1.1773 18 0 0 2 88.29 1.14 1.1069 -9 0 5 2 89.55 1.81 1.0946 -4 1 5 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.