Muscovite-2M1 Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern R050198 Brigatti M F, Frigieri P, Poppi L American Mineralogist 83 (1998) 775-785 Crystal chemistry of Mg-, Fe-bearing muscovites-2M1 Sample RA1 from a pegmatite on Antarctica CELL PARAMETERS: 5.213241 9.044142 19.94462 90.00000 95.75243 90.00000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 8.95 100.00 9.9221 0 0 2 17.91 23.18 4.9610 0 0 4 19.66 5.01 4.5221 0 2 0 19.76 35.61 4.4995 1 1 0 19.88 88.39 4.4728 -1 1 1 20.17 11.31 4.4090 0 2 1 20.64 21.25 4.3081 1 1 1 21.62 20.08 4.1149 0 2 2 22.42 9.35 3.9701 1 1 2 22.94 55.88 3.8806 -1 1 3 23.86 56.58 3.7331 0 2 3 24.91 3.40 3.5785 1 1 3 25.57 77.44 3.4872 -1 1 4 26.70 53.98 3.3420 0 2 4 26.98 71.09 3.3074 0 0 6 27.93 73.20 3.1974 1 1 4 28.69 6.69 3.1137 -1 1 5 29.98 74.58 2.9829 0 2 5 31.34 48.96 2.8558 1 1 5 32.18 39.00 2.7829 -1 1 6 34.42 4.13 2.6065 1 3 0 34.49 31.86 2.6012 -1 3 1 34.60 16.22 2.5935 2 0 0 35.06 11.46 2.5608 1 1 6 34.88 52.58 2.5731 -2 0 2 34.96 92.82 2.5676 1 3 1 35.96 7.04 2.4985 -1 1 7 36.23 8.85 2.4805 0 0 8 36.42 21.37 2.4677 -1 3 3 36.70 10.97 2.4498 2 0 2 37.45 3.51 2.4019 0 2 7 37.50 15.08 2.3992 -2 0 4 37.74 36.93 2.3844 1 3 3 39.95 9.00 2.2575 -2 2 1 40.09 4.08 2.2498 2 2 0 40.15 4.05 2.2465 0 4 1 40.44 9.18 2.2308 -1 3 5 40.86 3.60 2.2093 2 0 4 40.76 8.98 2.2140 2 2 1 40.95 6.59 2.2045 0 4 2 41.26 9.51 2.1887 -2 2 3 41.95 2.85 2.1540 2 2 2 42.07 19.87 2.1481 -2 0 6 42.25 3.91 2.1395 0 4 3 42.45 41.38 2.1300 1 3 5 43.61 5.52 2.0756 2 2 3 44.02 8.93 2.0574 0 4 4 44.54 3.29 2.0345 -2 2 5 45.73 30.14 1.9844 0 0 10 45.71 1.01 1.9850 2 2 4 46.11 22.41 1.9688 -1 3 7 46.62 11.58 1.9482 2 0 6 46.83 2.45 1.9403 -2 2 6 48.16 2.24 1.8897 -2 0 8 48.63 2.77 1.8723 1 3 7 48.79 2.91 1.8665 0 4 6 49.43 1.62 1.8438 -1 3 8 50.21 1.08 1.8172 0 2 10 51.71 1.44 1.7677 0 4 7 52.48 3.83 1.7436 -2 2 8 53.02 1.08 1.7271 -1 1 11 53.03 12.35 1.7268 -1 3 9 53.62 4.84 1.7091 2 0 8 53.66 1.14 1.7080 1 5 0 53.78 3.67 1.7043 2 4 0 54.20 1.95 1.6921 2 2 7 54.04 1.08 1.6969 1 5 1 54.44 4.11 1.6853 -3 1 3 54.72 2.28 1.6773 -2 4 3 55.40 16.91 1.6583 -2 0 10 55.28 5.47 1.6615 2 4 2 55.96 34.34 1.6431 1 3 9 55.81 5.26 1.6472 3 1 2 55.87 4.69 1.6455 -2 4 4 56.05 2.52 1.6407 1 5 3 56.39 9.98 1.6316 -1 5 4 56.65 1.96 1.6247 2 4 3 56.82 8.46 1.6201 -3 1 5 57.32 3.92 1.6072 3 1 3 57.41 7.09 1.6048 -2 4 5 57.65 3.26 1.5987 2 2 8 57.65 4.19 1.5988 1 5 4 58.60 2.90 1.5750 -3 1 6 59.35 2.74 1.5569 -2 2 10 59.21 7.40 1.5603 3 1 4 59.33 4.31 1.5573 -2 4 6 59.63 2.25 1.5504 1 5 5 60.14 3.97 1.5384 -1 5 6 60.51 2.33 1.5299 2 4 5 60.96 18.76 1.5196 -1 3 11 61.38 1.77 1.5102 1 1 12 61.62 7.90 1.5049 2 0 10 61.51 19.56 1.5074 0 6 0 61.59 41.66 1.5054 -3 3 1 61.70 1.87 1.5030 0 6 1 61.96 2.77 1.4975 1 5 6 62.24 1.23 1.4915 0 4 10 62.26 1.53 1.4909 -3 3 3 62.29 2.25 1.4903 0 6 2 62.49 2.85 1.4859 3 3 1 63.19 1.06 1.4712 -2 2 11 62.96 3.32 1.4759 2 4 6 63.61 2.20 1.4624 -2 0 12 64.24 4.84 1.4496 1 3 11 64.41 2.94 1.4463 0 2 13 64.62 1.17 1.4421 1 5 7 65.34 4.49 1.4279 2 2 10 65.88 1.96 1.4174 0 0 14 66.34 1.27 1.4088 1 1 13 66.04 1.34 1.4144 -3 1 9 66.26 1.61 1.4102 0 4 11 67.52 1.66 1.3869 -1 1 14 67.15 1.14 1.3936 -2 4 9 68.12 1.84 1.3761 -3 3 7 68.38 1.38 1.3716 0 6 6 69.55 4.37 1.3512 2 2 11 69.80 23.20 1.3471 -1 3 13 70.52 10.80 1.3350 2 0 12 70.54 7.38 1.3348 0 4 12 71.48 1.22 1.3195 1 1 14 71.60 4.80 1.3175 -2 2 13 72.71 1.10 1.3002 -1 1 15 72.41 1.99 1.3047 -2 6 1 72.54 3.10 1.3027 -4 0 2 72.51 4.44 1.3032 2 6 0 72.68 11.04 1.3006 -2 6 2 73.43 1.46 1.2892 1 3 13 72.93 5.62 1.2967 4 0 0 73.14 6.26 1.2935 -3 3 9 73.49 4.94 1.2882 0 6 8 74.01 6.91 1.2805 3 3 7 74.29 6.04 1.2764 -2 6 4 75.06 2.48 1.2651 0 4 13 74.75 3.62 1.2696 4 0 2 76.18 1.61 1.2492 -2 2 14 75.90 4.21 1.2531 -1 7 1 76.00 1.15 1.2518 -4 2 2 76.08 2.60 1.2506 -4 0 6 76.83 3.12 1.2403 0 0 16 76.03 1.03 1.2513 -3 5 2 76.53 1.32 1.2444 0 6 9 76.38 1.01 1.2465 4 2 0 76.48 4.59 1.2451 2 6 4 76.51 2.87 1.2447 -3 5 3 77.05 1.53 1.2373 -1 7 3 77.66 2.82 1.2291 3 5 2 77.87 3.01 1.2264 1 7 3 78.09 4.15 1.2234 -4 2 5 78.73 3.03 1.2150 2 2 13 78.53 1.15 1.2177 -3 5 5 79.44 2.33 1.2060 -3 3 11 79.23 1.95 1.2086 1 7 4 79.49 1.01 1.2054 -4 2 6 79.59 1.06 1.2040 4 2 3 79.89 1.35 1.2003 0 6 10 80.06 1.64 1.1982 -3 5 6 80.49 1.64 1.1928 3 3 9 81.02 1.38 1.1863 -2 2 15 80.58 3.52 1.1917 3 5 4 80.95 1.55 1.1873 1 7 5 81.55 2.16 1.1799 3 1 11 81.23 1.69 1.1839 -4 2 7 81.36 1.38 1.1823 4 2 4 83.53 2.27 1.1570 -1 7 7 86.29 2.71 1.1269 -2 4 14 87.40 7.76 1.1154 -2 6 10 88.04 1.35 1.1089 -1 5 14 88.47 4.15 1.1046 4 0 8 88.47 4.15 1.1046 4 0 8 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.