Pyrophyllite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050051 Gruner J W Zeitschrift fur Kristallographie 88 (1934) 412-419 The crystal structures of talc and pyrophyllite Locality: Tres Cerritos, Mariposa County, California, USA CELL PARAMETERS: 5.140000 8.900000 18.55000 90.00000 99.92000 90.00000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 9.63 89.90 9.1926 0 0 2 19.31 44.11 4.5963 0 0 4 20.13 3.14 4.4110 0 2 0 20.69 45.89 4.2916 -1 1 1 20.55 8.30 4.3206 1 1 0 20.70 70.56 4.2892 0 2 1 21.94 76.40 4.0509 -1 1 2 21.54 20.44 4.1254 1 1 1 22.35 25.64 3.9768 0 2 2 24.12 64.47 3.6885 -1 1 3 23.51 1.89 3.7834 1 1 2 24.86 2.62 3.5800 0 2 3 26.26 44.39 3.3925 1 1 3 28.03 23.30 3.1825 0 2 4 29.13 81.19 3.0642 0 0 6 29.59 18.73 3.0175 1 1 4 31.67 22.85 2.8244 0 2 5 33.35 1.04 2.6853 1 1 5 35.48 2.88 2.5289 1 3 0 36.57 1.53 2.4560 -2 0 2 36.24 21.28 2.4778 2 0 0 36.33 45.29 2.4713 -1 3 2 37.35 100.00 2.4066 1 3 2 38.48 9.81 2.3381 -1 1 7 39.50 53.11 2.2800 -2 0 4 37.44 4.47 2.4011 1 1 6 39.76 1.81 2.2659 -1 3 4 39.18 2.90 2.2981 0 0 8 39.93 1.83 2.2567 0 2 7 40.90 2.24 2.2055 0 4 0 41.64 1.34 2.1679 -2 2 1 42.09 3.70 2.1458 -2 2 2 41.20 2.69 2.1898 0 4 1 42.88 7.40 2.1079 -1 1 8 41.62 27.30 2.1687 1 3 4 42.54 2.86 2.1239 2 2 1 44.61 13.17 2.0302 -2 0 6 41.78 4.62 2.1609 1 1 7 44.72 1.42 2.0254 -2 2 4 43.59 2.41 2.0752 0 4 3 43.87 5.56 2.0627 2 2 2 43.18 7.64 2.0940 2 0 4 45.27 17.29 2.0021 -1 3 6 45.60 2.68 1.9884 0 4 4 45.73 4.23 1.9831 2 2 3 47.49 1.60 1.9134 -1 1 9 47.78 2.09 1.9026 1 3 6 49.12 1.60 1.8537 0 2 9 49.55 8.72 1.8385 0 0 10 52.37 6.68 1.7461 -2 2 7 50.99 2.70 1.7900 0 4 6 51.09 1.18 1.7866 1 1 9 55.72 5.48 1.6486 -2 2 8 54.28 4.75 1.6890 0 4 7 54.00 2.54 1.6970 0 2 10 55.64 2.42 1.6508 -2 4 1 55.29 2.03 1.6605 -1 5 1 56.35 3.00 1.6317 -3 1 1 57.19 3.48 1.6098 -3 1 3 55.77 4.24 1.6474 2 4 0 55.84 4.05 1.6455 -1 5 2 55.66 1.09 1.6504 1 5 1 56.65 1.33 1.6237 3 1 0 58.31 1.65 1.5814 -3 1 4 56.37 3.74 1.6311 2 4 1 56.86 3.71 1.6182 -1 5 3 55.36 26.47 1.6585 1 3 8 59.44 13.13 1.5540 -2 0 10 59.41 3.28 1.5546 -2 2 9 57.94 3.47 1.5906 1 5 3 59.92 3.37 1.5428 -2 4 5 58.68 2.59 1.5723 3 1 2 61.90 2.13 1.4979 -3 1 6 57.56 2.54 1.6003 2 2 7 59.77 2.08 1.5463 1 5 4 62.10 1.97 1.4937 -2 4 6 60.38 2.92 1.5321 3 1 3 60.38 1.28 1.5321 0 0 12 64.33 2.40 1.4472 -3 1 7 61.87 4.11 1.4987 0 4 9 64.56 28.35 1.4425 -3 3 2 63.20 14.13 1.4703 0 6 0 61.41 3.56 1.5088 2 2 8 64.68 5.62 1.4402 3 3 0 64.10 5.49 1.4519 0 6 2 66.22 5.32 1.4104 -3 3 4 63.36 1.93 1.4669 2 4 5 65.37 1.64 1.4267 -1 5 7 64.11 5.60 1.4517 1 3 10 68.62 2.39 1.3667 -2 0 12 66.12 1.52 1.4122 0 4 10 66.15 1.55 1.4118 2 4 6 65.57 4.02 1.4227 2 2 9 68.48 1.49 1.3692 -1 5 8 67.68 1.05 1.3834 1 5 7 66.26 13.20 1.4095 2 0 10 70.09 26.41 1.3416 -1 3 12 70.14 1.62 1.3408 3 3 4 71.07 1.62 1.3256 0 6 6 74.54 1.65 1.2721 -3 3 8 71.84 3.02 1.3132 0 0 14 75.28 1.63 1.2615 -2 6 2 75.07 11.36 1.2645 2 6 0 77.71 5.14 1.2280 -4 0 4 77.23 3.45 1.2344 -2 2 13 76.90 9.88 1.2389 4 0 0 73.92 5.68 1.2813 1 3 12 77.14 17.59 1.2357 -2 6 4 75.51 1.08 1.2583 0 4 12 76.53 2.19 1.2440 2 6 2 78.90 2.92 1.2124 -2 0 14 75.31 1.94 1.2611 3 3 6 80.57 1.50 1.1914 -4 0 6 76.93 1.91 1.2385 0 6 8 81.02 1.86 1.1859 -3 3 10 78.72 1.26 1.2147 -1 7 2 81.27 1.21 1.1830 -4 2 4 79.59 1.15 1.2036 -1 7 3 82.48 1.12 1.1686 -4 2 5 76.26 2.27 1.2476 2 0 12 80.61 3.90 1.1910 -1 3 14 79.62 3.10 1.2033 2 6 4 82.44 1.92 1.1691 -2 2 14 81.28 1.15 1.1828 4 2 1 80.52 1.15 1.1921 1 7 3 85.03 1.01 1.1400 -4 0 8 80.65 2.31 1.1905 0 4 13 82.63 1.01 1.1669 3 5 3 85.68 1.15 1.1329 -2 6 8 81.98 2.70 1.1745 3 3 8 84.27 2.81 1.1483 0 6 10 89.00 2.91 1.0991 -3 3 12 84.29 1.48 1.1480 2 6 6 84.20 1.33 1.1491 0 0 16 85.22 1.35 1.1379 2 2 13 87.89 4.81 1.1101 4 0 6 92.32 7.60 1.0680 -2 6 10 92.32 7.60 1.0680 -2 6 10 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.