Muscovite Rule A C, Bailey S W Clays and Clay Minerals 33 (1985) 403-409 Refinement of the crystal structure of phengite-2M1 Locality: Rio de Oro, Spanish Sahara _database_code_amcsd 0019604 CELL PARAMETERS: 5.2153 9.0430 19.9740 90.000 95.789 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 937.209 Density (g/cm3): 2.887 MAX. ABS. INTENSITY / VOLUME**2: 3.487132289 RIR: 0.393 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.90 93.68 9.9361 0 0 2 2 17.85 19.37 4.9680 0 0 4 2 19.63 6.31 4.5215 0 2 0 2 19.73 32.64 4.5005 1 1 0 4 19.84 88.57 4.4745 -1 1 1 4 20.14 10.43 4.4088 0 2 1 4 20.61 23.46 4.3089 1 1 1 4 21.59 21.34 4.1154 0 2 2 4 22.39 10.76 3.9711 1 1 2 4 22.90 62.38 3.8839 -1 1 3 4 23.83 62.37 3.7344 0 2 3 4 24.87 3.66 3.5798 1 1 3 4 25.52 86.02 3.4908 -1 1 4 4 26.66 62.07 3.3439 0 2 4 4 26.92 68.18 3.3120 0 0 6 2 27.89 88.07 3.1991 1 1 4 4 28.63 9.11 3.1174 -1 1 5 4 29.93 94.06 2.9851 0 2 5 4 31.30 60.07 2.8576 1 1 5 4 32.12 49.18 2.7864 -1 1 6 4 34.41 4.83 2.6064 1 3 0 4 34.48 46.91 2.6013 -1 3 1 4 34.57 22.47 2.5944 2 0 0 2 34.85 58.42 2.5745 -2 0 2 2 34.95 100.00 2.5676 1 3 1 4 35.01 15.33 2.5626 1 1 6 4 35.89 10.93 2.5019 -1 1 7 4 36.16 8.75 2.4840 0 0 8 2 36.40 16.29 2.4684 -1 3 3 4 36.67 8.23 2.4505 2 0 2 2 37.40 5.14 2.4043 0 2 7 4 37.45 22.64 2.4012 -2 0 4 2 37.72 51.30 2.3846 1 3 3 4 39.88 2.97 2.2608 0 4 0 2 39.92 13.99 2.2582 -2 2 1 4 40.07 3.38 2.2502 2 2 0 4 40.14 6.50 2.2463 0 4 1 4 40.31 1.26 2.2372 -2 2 2 4 40.41 7.56 2.2320 -1 3 5 4 40.75 12.63 2.2144 2 2 1 4 40.83 2.69 2.2100 2 0 4 2 40.94 6.36 2.2044 0 4 2 4 41.23 13.23 2.1898 -2 2 3 4 41.93 5.05 2.1544 2 2 2 4 42.02 23.45 2.1504 -2 0 6 2 42.24 5.79 2.1396 0 4 3 4 42.43 47.28 2.1306 1 3 5 4 43.60 6.94 2.0761 2 2 3 4 44.01 11.04 2.0577 0 4 4 4 44.50 3.32 2.0360 -2 2 5 4 45.65 33.96 1.9872 0 0 10 2 45.69 1.42 1.9855 2 2 4 4 46.07 24.51 1.9703 -1 3 7 4 46.60 12.60 1.9492 2 0 6 2 46.78 3.02 1.9419 -2 2 6 4 48.09 1.62 1.8921 -2 0 8 2 48.60 1.78 1.8732 1 3 7 4 48.77 3.92 1.8672 0 4 6 4 49.38 1.72 1.8455 -1 3 8 4 50.14 1.40 1.8193 0 2 10 4 51.69 1.71 1.7685 0 4 7 4 52.42 5.12 1.7454 -2 2 8 4 52.94 1.54 1.7297 -1 1 11 4 52.98 11.88 1.7285 -1 3 9 4 53.59 4.79 1.7101 2 0 8 2 53.67 1.19 1.7078 -2 4 1 4 53.67 1.45 1.7078 1 5 0 4 53.72 1.56 1.7064 -1 5 1 4 53.78 4.55 1.7044 2 4 0 4 54.05 1.67 1.6968 1 5 1 4 54.18 2.43 1.6928 2 2 7 4 54.41 4.11 1.6862 -3 1 3 4 54.71 2.35 1.6777 -2 4 3 4 55.29 7.34 1.6616 2 4 2 4 55.33 22.07 1.6605 -2 0 10 2 55.40 1.30 1.6585 -3 1 4 4 55.71 1.37 1.6498 -2 2 9 4 55.80 6.07 1.6476 3 1 2 4 55.86 4.72 1.6460 -2 4 4 4 55.92 45.07 1.6442 1 3 9 4 56.05 2.48 1.6406 1 5 3 4 56.38 11.65 1.6318 -1 5 4 4 56.65 2.90 1.6249 2 4 3 4 56.79 10.61 1.6212 -3 1 5 4 57.31 5.26 1.6076 3 1 3 4 57.40 8.24 1.6055 -2 4 5 4 57.63 4.06 1.5995 2 2 8 4 57.66 6.54 1.5988 1 5 4 4 58.56 4.57 1.5763 -3 1 6 4 59.20 8.68 1.5608 3 1 4 4 59.28 2.87 1.5587 -2 2 10 4 59.31 6.54 1.5581 -2 4 6 4 59.44 1.37 1.5550 0 2 12 4 59.63 2.99 1.5505 1 5 5 4 60.13 5.79 1.5389 -1 5 6 4 60.51 3.35 1.5302 2 4 5 4 60.90 23.70 1.5213 -1 3 11 4 61.32 2.27 1.5119 1 1 12 4 61.53 22.64 1.5072 0 6 0 2 61.58 9.59 1.5060 2 0 10 2 61.59 48.33 1.5058 -3 3 1 4 61.72 1.96 1.5029 0 6 1 4 61.96 3.62 1.4978 1 5 6 4 62.25 2.24 1.4915 -3 3 3 4 62.31 3.11 1.4901 0 6 2 4 62.49 3.85 1.4862 3 3 1 4 62.96 4.36 1.4762 2 4 6 4 63.11 1.69 1.4731 -2 2 11 4 63.53 1.96 1.4645 -2 0 12 2 64.20 4.45 1.4508 1 3 11 4 64.33 3.44 1.4481 0 2 13 4 64.61 1.47 1.4424 1 5 7 4 65.31 5.12 1.4288 2 2 10 4 65.79 2.26 1.4194 0 0 14 2 65.98 1.78 1.4159 -3 1 9 4 66.22 2.33 1.4113 0 4 11 4 66.27 1.96 1.4103 1 1 13 4 67.42 1.88 1.3890 -1 1 14 4 68.09 1.07 1.3771 -3 3 7 4 69.52 6.01 1.3522 2 2 11 4 69.72 26.21 1.3487 -1 3 13 4 70.48 12.32 1.3361 2 0 12 2 70.49 9.34 1.3359 0 4 12 4 71.41 1.44 1.3210 1 1 14 4 71.52 6.84 1.3192 -2 2 13 4 72.44 2.91 1.3047 -2 6 1 4 72.53 5.48 1.3032 -4 0 2 2 72.53 8.30 1.3032 2 6 0 4 72.60 1.72 1.3021 -1 1 15 4 72.70 15.30 1.3007 -2 6 2 4 72.93 7.64 1.2972 4 0 0 2 73.09 8.34 1.2946 -3 3 9 4 73.37 2.39 1.2904 1 3 13 4 73.50 6.71 1.2885 0 6 8 4 74.01 9.15 1.2809 3 3 7 4 74.30 8.13 1.2765 -2 6 4 4 74.66 1.09 1.2714 0 2 15 4 74.75 4.81 1.2699 4 0 2 2 75.00 3.76 1.2663 0 4 13 4 75.94 4.61 1.2530 -1 7 1 4 75.99 1.54 1.2523 -4 2 2 4 76.05 3.45 1.2515 -4 0 6 2 76.09 2.47 1.2509 -2 2 14 4 76.38 1.37 1.2469 4 2 0 4 76.50 6.04 1.2452 2 6 4 4 76.52 3.03 1.2450 -3 5 3 4 76.53 1.53 1.2448 0 6 9 4 76.74 4.36 1.2420 0 0 16 2 77.08 2.22 1.2372 -1 7 3 4 77.69 3.29 1.2292 3 5 2 4 77.90 3.14 1.2263 1 7 3 4 78.07 4.81 1.2241 -4 2 5 4 78.53 1.55 1.2181 -3 5 5 4 78.69 4.37 1.2160 2 2 13 4 79.27 2.15 1.2085 1 7 4 4 79.38 3.09 1.2072 -3 3 11 4 79.60 1.77 1.2043 4 2 3 4 79.78 1.03 1.2021 0 4 14 4 79.88 1.83 1.2009 0 6 10 4 80.05 2.29 1.1987 -3 5 6 4 80.49 2.25 1.1933 3 3 9 4 80.61 4.08 1.1918 3 5 4 4 80.92 2.01 1.1880 -2 2 15 4 80.98 2.27 1.1873 1 7 5 4 81.19 2.16 1.1847 -4 2 7 4 81.37 1.76 1.1826 4 2 4 4 81.54 2.74 1.1806 3 1 11 4 83.47 1.05 1.1581 4 2 5 4 83.55 2.70 1.1572 -1 7 7 4 84.50 1.11 1.1466 -3 1 14 4 85.97 1.05 1.1307 2 6 8 4 86.22 3.59 1.1281 -2 4 14 4 86.50 1.58 1.1251 4 4 0 4 87.13 1.33 1.1186 -4 4 4 4 87.38 11.28 1.1160 -2 6 10 4 87.99 1.65 1.1099 -1 5 14 4 88.48 5.86 1.1050 4 0 8 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.