Muscovite Mesto E, Scordari F, Lacalamita M, Schingaro E American Mineralogist 97 (2012) 1460-1468 Tobelite and NH4+ -rich muscovite single crystals from Ordovician Armorican sandstones (Brittany, France): Structure and crystal chemistry Note: sample musc_4 Locality: Ordovician Armorican sandstones, Brittany, France _database_code_amcsd 0019256 CELL PARAMETERS: 9.0270 5.1999 20.6160 90.000 100.113 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 952.670 Density (g/cm3): 2.566 MAX. ABS. INTENSITY / VOLUME**2: 4.909443417 RIR: 0.623 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.71 100.00 10.1478 0 0 2 2 17.48 43.72 5.0739 0 0 4 2 19.78 36.07 4.4881 1 1 0 4 19.88 68.75 4.4665 -1 1 1 4 20.36 24.86 4.3614 -2 0 2 2 20.64 10.27 4.3025 1 1 1 4 22.36 3.45 3.9762 1 1 2 4 22.79 34.44 3.9027 -1 1 3 4 24.20 57.90 3.6782 -2 0 4 2 24.76 2.62 3.5959 1 1 3 4 25.30 49.57 3.5202 -1 1 4 4 26.35 44.90 3.3826 0 0 6 2 27.68 44.42 3.2228 1 1 4 4 28.31 4.17 3.1528 -1 1 5 4 28.94 48.93 3.0851 2 0 4 2 30.27 9.91 2.9529 -2 0 6 2 30.99 30.04 2.8859 1 1 5 4 31.68 20.02 2.8244 -1 1 6 4 34.45 1.29 2.6035 -3 1 1 4 34.59 4.55 2.5930 1 1 6 4 34.62 36.86 2.5909 -3 1 2 4 34.79 39.67 2.5789 0 2 1 4 34.86 34.91 2.5739 3 1 0 4 35.33 3.22 2.5402 -1 1 7 4 35.38 8.67 2.5370 0 0 8 2 36.66 21.76 2.4513 -3 1 4 4 37.04 20.92 2.4269 0 2 3 4 37.33 23.38 2.4088 3 1 2 4 38.45 5.09 2.3413 -3 1 5 4 38.92 3.78 2.3139 0 2 4 4 39.31 8.37 2.2922 3 1 3 4 40.03 4.11 2.2524 -2 2 1 4 40.19 2.15 2.2440 2 2 0 4 40.61 2.81 2.2217 4 0 0 2 40.85 3.95 2.2091 2 2 1 4 41.25 4.68 2.1887 -2 2 3 4 41.41 2.12 2.1807 -4 0 4 2 42.00 1.50 2.1512 2 2 2 4 43.19 3.88 2.0948 4 0 2 2 43.30 20.73 2.0896 -3 1 7 4 43.61 2.51 2.0756 2 2 3 4 43.92 15.47 2.0614 0 2 6 4 44.36 1.09 2.0421 -2 2 5 4 44.46 15.29 2.0377 3 1 5 4 44.65 21.17 2.0296 0 0 10 2 44.70 1.92 2.0275 -4 0 6 2 45.63 1.05 1.9881 2 2 4 4 45.77 1.43 1.9823 -2 0 10 2 46.54 1.39 1.9514 -2 2 6 4 49.08 1.11 1.8561 -2 2 7 4 49.57 2.93 1.8391 -4 0 8 2 51.95 2.69 1.7601 -2 2 8 4 53.03 13.04 1.7270 -3 1 10 4 53.75 1.79 1.7055 -5 1 2 4 53.81 11.48 1.7036 0 2 9 4 53.82 3.07 1.7033 -4 2 2 4 53.83 1.64 1.7030 2 2 7 4 53.86 1.26 1.7021 -4 2 1 4 53.95 1.12 1.6996 -5 1 3 4 54.26 1.80 1.6906 1 3 1 4 54.38 1.64 1.6871 -1 3 2 4 54.52 9.88 1.6830 3 1 8 4 54.96 1.58 1.6708 -4 2 4 4 55.03 1.00 1.6687 1 3 2 4 55.17 2.09 1.6649 4 2 1 4 55.58 1.62 1.6536 5 1 1 4 56.12 6.56 1.6389 -4 2 5 4 56.19 5.61 1.6369 1 3 3 4 56.47 2.13 1.6296 -1 3 4 4 56.78 5.23 1.6213 -3 1 11 4 56.95 7.66 1.6168 -5 1 6 4 56.97 1.01 1.6164 5 1 2 4 57.16 2.15 1.6114 2 2 8 4 57.62 3.98 1.5998 0 2 10 4 58.02 2.11 1.5896 4 2 3 4 58.08 7.04 1.5882 -1 3 5 4 58.37 7.40 1.5808 3 1 9 4 58.55 1.79 1.5764 -2 2 10 4 59.63 1.05 1.5505 1 3 5 4 59.99 4.12 1.5421 4 2 4 4 60.15 1.08 1.5383 1 1 12 4 60.84 3.60 1.5226 5 1 4 4 61.68 13.76 1.5038 -6 0 2 2 61.77 25.25 1.5018 -3 3 1 4 62.05 1.58 1.4958 2 0 12 2 62.37 1.56 1.4888 -3 3 3 4 62.67 2.15 1.4824 3 3 1 4 62.73 1.15 1.4811 6 0 0 2 64.25 1.52 1.4497 0 0 14 2 64.59 3.37 1.4429 2 2 10 4 64.96 10.22 1.4355 -3 1 13 4 65.88 6.76 1.4177 0 2 12 4 65.93 1.04 1.4167 -1 1 14 4 66.73 6.72 1.4017 3 1 11 4 67.79 4.05 1.3824 4 0 10 2 67.91 1.07 1.3803 -3 3 7 4 68.66 3.05 1.3670 2 2 11 4 69.38 4.91 1.3546 -3 1 14 4 70.34 4.99 1.3384 0 2 13 4 70.34 3.06 1.3384 -2 2 13 4 71.14 3.39 1.3252 -4 0 14 2 71.23 5.19 1.3238 3 1 12 4 72.03 2.07 1.3110 -6 0 10 2 72.66 5.25 1.3012 -6 2 3 4 72.68 4.37 1.3009 -3 3 9 4 72.92 2.79 1.2973 0 4 1 4 72.94 5.05 1.2969 -6 2 1 4 73.44 1.38 1.2894 0 4 2 4 73.76 1.26 1.2845 -6 2 5 4 73.81 4.33 1.2839 3 3 7 4 74.28 2.00 1.2769 6 0 6 2 74.30 1.23 1.2766 0 4 3 4 74.60 1.88 1.2722 6 2 1 4 74.74 1.08 1.2701 -2 2 14 4 74.83 1.70 1.2689 -6 2 6 4 74.85 2.09 1.2685 0 0 16 2 75.49 3.46 1.2593 0 4 4 4 75.94 1.78 1.2531 6 2 2 4 76.04 3.35 1.2516 -7 1 3 4 76.22 1.22 1.2491 -2 4 1 4 76.30 1.40 1.2480 -5 3 3 4 77.52 1.38 1.2314 2 2 13 4 77.65 1.81 1.2296 -5 3 5 4 77.77 1.76 1.2281 -7 1 6 4 78.69 1.07 1.2160 -3 3 11 4 79.20 2.81 1.2095 -2 4 5 4 79.93 1.23 1.2002 0 2 15 4 80.36 1.98 1.1948 5 3 3 4 80.92 1.03 1.1880 3 1 14 4 81.72 1.73 1.1784 7 1 3 4 81.89 1.67 1.1764 2 4 5 4 82.39 1.24 1.1704 4 2 11 4 82.43 1.31 1.1700 -1 3 13 4 85.07 2.77 1.1403 -6 2 11 4 85.82 1.63 1.1323 -4 2 15 4 86.39 1.60 1.1262 0 4 9 4 87.49 2.38 1.1149 6 2 7 4 88.08 1.27 1.1089 -6 2 12 4 89.54 2.45 1.0947 0 4 10 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.