Al3Si2O7(OH)3 Daniels P, Wunder B European Journal of Mineralogy 8 (1996) 1283-1292 Al3Si2O7(OH)3, phase Pi (formerly piezotite): Crystal structure of a synthetic high-pressure silicate rediscovered _database_code_amcsd 0006634 CELL PARAMETERS: 6.0885 7.2832 7.7234 115.710 88.850 92.890 SPACE GROUP: P1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 308.186 Density (g/cm3): 3.234 MAX. ABS. INTENSITY / VOLUME**2: 6.462238699 RIR: 0.651 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.72 48.33 6.9588 0 0 1 1 14.57 1.27 6.0807 1 0 0 1 19.80 25.01 4.4840 1 -1 1 1 20.38 26.57 4.3585 1 1 0 1 20.68 15.66 4.2957 -1 -1 1 1 24.50 1.55 3.6338 0 -2 1 1 26.37 8.88 3.3796 -1 1 1 1 27.10 34.45 3.2899 1 1 1 1 27.16 9.21 3.2831 1 -1 2 1 27.21 100.00 3.2776 0 2 0 1 27.79 16.04 3.2101 -1 -1 2 1 28.17 23.89 3.1674 0 -2 2 1 29.38 12.98 3.0404 2 0 0 1 32.10 44.19 2.7881 -2 0 1 1 32.15 55.49 2.7840 2 0 1 1 36.49 54.49 2.4624 0 -2 3 1 36.89 22.16 2.4367 -1 1 2 1 37.45 10.54 2.4012 1 1 2 1 37.61 26.88 2.3918 2 -2 1 1 37.86 12.56 2.3761 1 -1 3 1 38.31 1.73 2.3492 -1 -1 3 1 38.82 2.42 2.3196 0 0 3 1 39.31 4.69 2.2917 -2 0 2 1 39.59 4.41 2.2762 -2 -2 1 1 39.62 8.42 2.2747 1 -3 1 1 40.15 1.15 2.2457 1 -3 2 1 40.22 1.47 2.2420 2 -2 2 1 41.07 3.63 2.1979 -1 -3 1 1 41.43 7.61 2.1793 2 2 0 1 42.07 1.96 2.1478 -2 -2 2 1 43.35 2.33 2.0873 -1 3 0 1 44.83 3.06 2.0218 1 -3 3 1 45.39 1.25 1.9982 -2 2 1 1 45.51 29.97 1.9932 0 2 2 1 46.11 30.88 1.9687 -1 -3 3 1 46.27 2.14 1.9623 -3 1 0 1 46.45 27.72 1.9550 3 -1 1 1 46.70 1.79 1.9449 2 -2 3 1 47.17 2.22 1.9266 2 2 1 1 47.36 4.22 1.9193 0 -2 4 1 47.57 10.53 1.9116 3 1 0 1 48.32 10.59 1.8837 -2 -2 3 1 49.37 4.61 1.8459 -2 0 3 1 49.58 2.93 1.8387 1 1 3 1 49.87 7.66 1.8286 -3 1 1 1 50.20 3.77 1.8174 1 -1 4 1 50.21 2.84 1.8169 0 -4 2 1 50.58 12.54 1.8045 -1 3 1 1 51.45 1.32 1.7761 0 -4 1 1 51.82 9.91 1.7644 1 3 1 1 52.59 8.39 1.7404 0 -4 3 1 52.61 1.09 1.7397 0 0 4 1 52.77 2.24 1.7348 1 -3 4 1 54.29 1.00 1.6898 -2 2 2 1 55.89 1.96 1.6450 2 2 2 1 56.02 5.43 1.6415 2 -2 4 1 56.12 1.71 1.6388 0 4 0 1 57.41 2.98 1.6050 -2 -2 4 1 57.51 5.75 1.6025 3 -1 3 1 57.79 1.64 1.5954 2 -4 2 1 57.95 2.48 1.5915 3 1 2 1 58.26 3.51 1.5837 0 -4 4 1 58.45 1.94 1.5790 3 -3 2 1 58.49 1.25 1.5779 -3 -1 3 1 58.90 2.72 1.5679 2 -4 1 1 60.42 8.22 1.5322 -1 3 2 1 60.94 7.57 1.5202 4 0 0 1 61.46 3.37 1.5087 2 0 4 1 61.53 12.04 1.5071 1 3 2 1 62.57 6.97 1.4845 4 0 1 1 62.59 1.03 1.4841 -1 1 4 1 62.77 4.77 1.4803 -2 -4 3 1 63.01 2.50 1.4753 1 1 4 1 63.14 1.34 1.4725 1 -3 5 1 63.74 3.44 1.4602 0 4 1 1 63.79 1.86 1.4591 1 -1 5 1 64.07 20.32 1.4534 -1 -1 5 1 64.10 5.19 1.4528 3 3 0 1 64.13 5.27 1.4522 -1 -3 5 1 65.15 4.00 1.4319 -3 -3 3 1 65.25 19.92 1.4300 2 -4 4 1 65.32 2.82 1.4286 1 -5 2 1 65.34 1.13 1.4282 4 -2 1 1 65.94 2.46 1.4166 1 -5 3 1 66.19 1.38 1.4118 -3 1 3 1 66.60 2.47 1.4041 -4 2 0 1 66.70 2.77 1.4023 0 -4 5 1 66.76 21.09 1.4012 -3 3 1 1 66.88 1.06 1.3989 2 2 3 1 67.02 1.32 1.3964 -1 -5 2 1 67.15 2.87 1.3941 -4 0 2 1 67.15 1.31 1.3941 4 -2 2 1 67.35 15.50 1.3903 3 1 3 1 67.62 1.43 1.3855 -1 -5 3 1 68.06 3.68 1.3776 -3 -1 4 1 68.71 2.22 1.3661 -2 -2 5 1 69.33 1.35 1.3553 4 2 0 1 69.45 16.13 1.3533 -1 -5 1 1 69.76 16.24 1.3481 -4 -2 2 1 70.86 1.25 1.3298 -4 2 1 1 71.22 2.28 1.3240 -1 -5 4 1 71.92 1.38 1.3129 4 -2 3 1 73.05 1.22 1.2953 2 4 1 1 73.14 1.34 1.2940 -1 5 0 1 73.93 1.93 1.2820 0 -2 6 1 74.40 2.14 1.2751 -4 -2 3 1 75.00 2.06 1.2664 -2 0 5 1 75.31 3.40 1.2619 -3 3 2 1 75.56 1.61 1.2584 1 -3 6 1 76.08 2.59 1.2511 1 -5 5 1 77.47 2.32 1.2320 -1 1 5 1 77.87 2.31 1.2267 3 -3 5 1 77.90 4.81 1.2263 -3 1 4 1 78.80 5.59 1.2145 1 -1 6 1 79.05 1.16 1.2114 -1 -1 6 1 79.11 4.08 1.2106 3 -1 5 1 79.19 4.23 1.2096 3 -5 2 1 79.80 2.53 1.2018 0 -6 2 1 79.90 1.38 1.2006 2 2 4 1 80.92 1.07 1.1880 2 -2 6 1 81.22 1.02 1.1844 4 -4 1 1 82.04 2.18 1.1746 -2 -2 6 1 82.18 2.28 1.1730 4 -4 3 1 82.83 1.36 1.1654 1 5 1 1 83.91 1.47 1.1531 -3 -5 2 1 84.56 2.49 1.1459 -4 0 4 1 85.28 3.27 1.1381 -4 -4 2 1 85.35 1.51 1.1374 2 -6 2 1 86.18 1.19 1.1284 -2 -4 6 1 86.19 1.82 1.1284 -3 -5 1 1 86.72 3.69 1.1228 2 -6 4 1 89.33 1.91 1.0966 3 3 3 1 89.41 1.50 1.0959 5 1 2 1 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.