Talc Drits V A, Guggenheim S, Zviagina B B, Kogure T Clays and Clay Minerals 60 (2012) 574-587 Structures of the 2:1 layers of pyrophyllite and talc Note: structure is averaged to remove stacking disorder effects Locality: Harford County, Maryland, USA _database_code_amcsd 0020723 CELL PARAMETERS: 5.1848 8.9230 9.1900 90.690 90.900 90.000 SPACE GROUP: C-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 425.083 Density (g/cm3): 2.963 MAX. ABS. INTENSITY / VOLUME**2: 10.37684317 RIR: 1.140 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.63 100.00 9.1882 0 0 1 2 19.32 12.51 4.5941 0 0 2 2 19.80 8.89 4.4828 -1 1 0 2 19.81 8.86 4.4821 1 1 0 2 19.90 35.14 4.4612 0 2 0 2 21.89 26.98 4.0599 -1 -1 1 2 22.00 26.61 4.0409 -1 1 1 2 22.04 4.55 4.0323 0 -2 1 2 22.13 9.07 4.0170 1 -1 1 2 22.24 8.96 3.9975 1 1 1 2 22.26 4.40 3.9943 0 2 1 2 27.70 6.61 3.2199 0 -2 2 2 27.91 12.59 3.1964 1 -1 2 2 28.05 6.37 3.1814 0 2 2 2 28.09 12.34 3.1772 1 1 2 2 29.16 58.52 3.0627 0 0 3 2 35.16 3.65 2.5522 -1 -1 3 2 35.35 4.46 2.5393 0 -2 3 2 35.37 3.58 2.5378 -1 1 3 2 35.76 4.29 2.5109 0 2 3 2 35.85 8.67 2.5050 -2 0 1 2 35.99 25.93 2.4954 -1 -3 1 2 36.14 8.37 2.4856 1 -3 1 2 36.15 25.68 2.4845 2 0 1 2 36.19 25.55 2.4822 -1 3 1 2 36.35 8.19 2.4718 1 3 1 2 39.65 2.21 2.2729 -2 0 2 2 39.76 17.49 2.2670 -1 -3 2 2 40.04 2.21 2.2520 1 -3 2 2 40.13 16.94 2.2470 -1 3 2 2 40.21 16.85 2.2425 2 0 2 2 40.41 2.18 2.2319 1 3 2 2 43.94 1.41 2.0607 -1 -1 4 2 44.17 1.38 2.0506 -1 1 4 2 44.45 1.57 2.0381 1 -1 4 2 44.68 1.54 2.0281 1 1 4 2 45.14 1.45 2.0085 2 -2 2 2 45.37 1.42 1.9988 2 2 2 2 45.49 4.50 1.9941 -2 0 3 2 45.56 2.37 1.9910 -1 -3 3 2 45.93 4.28 1.9757 1 -3 3 2 46.06 2.25 1.9706 -1 3 3 2 46.24 2.15 1.9634 2 0 3 2 46.44 4.13 1.9555 1 3 3 2 49.61 3.87 1.8376 0 0 5 2 49.95 1.84 1.8257 -2 -2 3 2 50.26 1.79 1.8153 -2 2 3 2 52.88 6.24 1.7312 -1 -3 4 2 53.48 6.00 1.7134 -1 3 4 2 53.73 5.98 1.7059 2 0 4 2 54.05 1.60 1.6966 -3 1 0 2 54.06 1.60 1.6965 3 1 0 2 55.19 1.44 1.6643 -1 -5 1 2 55.25 1.51 1.6626 2 -4 1 2 55.42 1.42 1.6578 -1 5 1 2 55.45 1.48 1.6570 2 4 1 2 57.22 1.62 1.6100 0 -4 4 2 57.74 1.03 1.5966 -2 -4 2 2 57.98 1.53 1.5907 0 4 4 2 58.11 1.00 1.5874 -2 4 2 2 58.12 1.14 1.5872 1 -5 2 2 58.60 1.10 1.5754 1 5 2 2 60.45 2.06 1.5314 0 0 6 2 61.38 3.49 1.5104 -2 0 5 2 61.41 4.80 1.5098 -1 -3 5 2 61.92 3.40 1.4986 1 -3 5 2 62.09 4.62 1.4949 -1 3 5 2 62.12 9.09 1.4943 -3 3 0 2 62.13 9.08 1.4940 3 3 0 2 62.40 4.55 1.4881 2 0 5 2 62.45 8.92 1.4871 0 6 0 2 62.60 3.26 1.4839 1 3 5 2 62.82 1.95 1.4793 -3 -3 1 2 62.94 1.93 1.4767 -3 3 1 2 63.11 1.87 1.4731 3 -3 1 2 63.22 1.88 1.4708 0 -6 1 2 63.26 1.85 1.4701 3 3 1 2 63.49 1.85 1.4652 0 6 1 2 65.98 1.23 1.4159 2 -2 5 2 66.42 1.19 1.4075 2 2 5 2 71.00 7.08 1.3276 -2 0 6 2 71.57 6.82 1.3184 1 -3 6 2 71.93 2.00 1.3126 0 0 7 2 72.33 6.56 1.3064 1 3 6 2 73.66 6.05 1.2861 -4 0 1 2 74.21 5.91 1.2779 2 -6 1 2 74.33 1.05 1.2761 -2 -2 6 2 74.47 5.84 1.2740 2 6 1 2 74.83 1.02 1.2689 -2 2 6 2 76.32 2.32 1.2477 -2 -6 2 2 76.72 2.31 1.2423 4 0 2 2 76.80 2.28 1.2411 -2 6 2 2 85.43 2.83 1.1364 -4 0 4 2 86.41 2.75 1.1260 2 -6 4 2 87.39 2.66 1.1159 2 6 4 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.