Pyrophyllite Wardle R, Brindley G W American Mineralogist 57 (1972) 732-750 The crystal structures of pyrophyllite, 1Tc, and of its dehydroxylate Note: this is polytype pyrophyllite-1Tc _database_code_amcsd 0000286 CELL PARAMETERS: 5.1919 9.1224 9.4990 91.170 100.210 88.620 SPACE GROUP: C-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 442.585 Density (g/cm3): 2.568 MAX. ABS. INTENSITY / VOLUME**2: 10.87624112 RIR: 1.379 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.46 35.94 9.3473 0 0 1 2 18.99 18.14 4.6737 0 0 2 2 19.74 6.73 4.4969 1 1 0 2 20.10 100.00 4.4178 -1 1 0 2 20.47 43.02 4.3394 -1 -1 1 2 20.96 30.81 4.2386 -1 1 1 2 21.54 50.60 4.1246 0 -2 1 2 21.83 9.12 4.0715 0 2 1 2 23.49 1.19 3.7876 1 -1 1 2 25.13 11.60 3.5433 -1 -1 2 2 25.66 3.52 3.4716 -1 1 2 2 27.10 1.76 3.2907 0 -2 2 2 27.55 10.87 3.2371 0 2 2 2 28.65 58.40 3.1158 0 0 3 2 29.74 12.93 3.0040 1 1 2 2 32.68 2.98 2.7402 -1 1 3 2 34.36 7.42 2.6103 -1 -3 1 2 34.65 5.31 2.5886 -1 3 0 2 34.73 6.93 2.5828 -2 0 1 2 35.13 5.85 2.5543 2 0 0 2 35.15 1.55 2.5530 0 2 3 2 35.27 7.42 2.5447 -1 3 1 2 36.37 12.13 2.4702 1 3 1 2 36.72 7.91 2.4475 1 -3 1 2 37.00 7.32 2.4295 -2 0 2 2 37.35 3.10 2.4075 -1 -3 2 2 37.66 1.65 2.3883 1 -1 3 2 38.13 2.10 2.3601 2 0 1 2 38.46 1.28 2.3407 -1 3 2 2 40.48 1.92 2.2282 -1 -1 4 2 40.58 3.68 2.2230 -2 2 1 2 40.85 1.63 2.2089 -2 2 0 2 41.04 6.48 2.1991 1 3 2 2 41.62 1.01 2.1697 -2 -2 2 2 42.52 15.30 2.1262 -1 -3 3 2 43.21 3.51 2.0936 0 -2 4 2 43.27 4.89 2.0911 2 0 2 2 43.74 4.95 2.0695 -1 3 3 2 44.50 3.93 2.0358 0 4 2 2 45.73 1.23 1.9840 -2 -2 3 2 46.84 1.87 1.9396 -2 2 3 2 47.67 3.77 1.9078 2 2 2 2 48.04 2.35 1.8938 2 -2 2 2 48.71 3.00 1.8695 0 0 5 2 49.13 2.34 1.8544 0 -4 3 2 49.65 2.29 1.8361 -1 -1 5 2 49.96 1.01 1.8256 0 4 3 2 52.89 1.41 1.7312 -2 -4 1 2 52.96 3.01 1.7290 1 5 0 2 53.30 1.74 1.7186 2 4 0 2 53.68 1.29 1.7074 -3 -1 1 2 53.72 1.18 1.7063 -1 5 0 2 54.20 1.12 1.6923 -3 1 1 2 54.51 5.55 1.6835 -2 4 0 2 54.88 1.76 1.6728 1 -3 4 2 55.07 1.55 1.6677 -3 1 0 2 55.21 4.47 1.6638 1 3 4 2 55.24 6.74 1.6628 -3 1 2 2 55.55 1.83 1.6545 -2 0 5 2 56.30 1.69 1.6340 1 1 5 2 56.55 3.12 1.6274 2 -4 1 2 57.33 1.21 1.6071 -1 -3 5 2 57.79 1.09 1.5955 3 -1 1 2 59.32 1.05 1.5579 0 0 6 2 59.64 3.07 1.5504 -2 4 3 2 60.73 1.11 1.5250 -1 5 3 2 60.96 2.74 1.5198 0 6 0 2 60.98 2.19 1.5195 -3 -3 1 2 61.76 1.34 1.5020 2 2 4 2 61.90 2.12 1.4990 3 3 0 2 61.91 1.21 1.4987 3 1 2 2 62.03 1.78 1.4962 0 6 1 2 62.21 1.54 1.4923 3 -1 2 2 62.40 2.65 1.4882 -3 3 1 2 62.76 1.09 1.4804 -2 -4 4 2 63.41 1.19 1.4669 0 2 6 2 64.02 4.98 1.4543 1 3 5 2 65.04 2.74 1.4340 0 4 5 2 65.74 1.10 1.4204 2 -4 3 2 66.40 8.73 1.4078 -1 -3 6 2 67.07 2.81 1.3955 2 0 5 2 67.28 1.90 1.3917 -2 -2 6 2 67.82 3.15 1.3818 -1 3 6 2 68.21 1.06 1.3749 0 -6 3 2 68.63 1.08 1.3676 -3 -3 4 2 68.76 1.72 1.3652 -3 1 5 2 70.53 2.04 1.3353 0 0 7 2 70.60 1.43 1.3341 2 2 5 2 71.18 5.32 1.3247 -2 -6 1 2 72.41 1.49 1.3052 -2 -6 2 2 72.55 1.58 1.3029 2 -4 4 2 72.99 1.64 1.2962 0 -4 6 2 73.12 1.19 1.2943 -2 6 0 2 74.26 2.31 1.2771 4 0 0 2 74.59 2.28 1.2723 -2 6 2 2 74.62 1.12 1.2718 3 3 3 2 74.71 1.52 1.2706 -3 -5 1 2 74.81 1.17 1.2691 2 -6 1 2 74.94 1.74 1.2672 -1 -7 1 2 75.13 1.04 1.2646 0 6 4 2 75.26 1.72 1.2627 -4 0 3 2 75.73 1.88 1.2560 -1 7 0 2 75.81 2.92 1.2548 -4 -2 1 2 76.20 1.65 1.2494 -1 7 1 2 77.24 2.07 1.2351 2 6 2 2 79.31 2.22 1.2080 -2 4 6 2 82.81 1.13 1.1656 -4 2 4 2 83.45 1.11 1.1583 3 -5 2 2 83.84 1.09 1.1539 1 -7 3 2 84.10 2.20 1.1510 3 -1 5 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.