Howlite Griffen D T American Mineralogist 73 (1988) 1138-1144 Howlite, Ca2SiB5O9(OH)5: Structure refinement and hydrogen bonding _database_code_amcsd 0001197 CELL PARAMETERS: 12.8200 9.3510 8.6080 90.000 104.840 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 997.505 Density (g/cm3): 2.605 MAX. ABS. INTENSITY / VOLUME**2: 3.553028573 RIR: 0.444 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.13 22.25 12.3924 1 0 0 2 11.86 1.00 7.4644 1 1 0 4 14.25 100.00 6.2162 0 1 1 4 14.29 19.73 6.1962 2 0 0 2 14.67 13.15 6.0386 -1 1 1 4 17.14 4.72 5.1737 1 1 1 4 17.17 1.33 5.1652 2 1 0 4 18.18 4.09 4.8800 -2 1 1 4 18.98 2.92 4.6755 0 2 0 2 20.30 22.18 4.3745 1 2 0 4 20.71 10.16 4.2895 -1 0 2 2 21.36 7.68 4.1604 0 0 2 2 21.51 20.56 4.1308 3 0 0 2 22.09 14.27 4.0248 -1 2 1 4 22.48 7.60 3.9544 -2 0 2 2 22.81 98.90 3.8988 -1 1 2 4 23.40 5.61 3.8012 0 1 2 4 23.47 7.48 3.7910 -3 1 1 4 23.82 9.84 3.7354 1 2 1 4 23.84 6.34 3.7322 2 2 0 4 24.25 11.76 3.6706 1 0 2 2 24.59 14.53 3.6203 -2 2 1 4 26.08 3.46 3.4168 1 1 2 4 27.93 2.01 3.1943 -3 1 2 4 28.23 4.32 3.1608 -1 2 2 4 28.75 26.97 3.1055 2 0 2 2 28.78 52.44 3.1025 -3 2 1 4 28.82 15.33 3.0981 4 0 0 2 28.84 10.10 3.0957 3 2 0 4 29.55 11.41 3.0228 1 3 0 4 29.59 41.18 3.0193 -2 2 2 4 29.66 3.04 3.0124 -4 1 1 4 30.33 7.91 2.9472 2 1 2 4 30.39 37.02 2.9409 4 1 0 4 30.63 5.89 2.9189 0 3 1 4 30.83 36.72 2.8999 -1 3 1 4 31.27 24.02 2.8604 -4 0 2 2 32.13 28.69 2.7859 1 3 1 4 32.15 6.36 2.7845 2 3 0 4 32.57 6.64 2.7491 -3 2 2 4 32.74 3.00 2.7353 -4 1 2 4 32.75 11.12 2.7349 3 2 1 4 33.71 38.16 2.6591 0 1 3 4 34.08 5.00 2.6306 -4 2 1 4 34.29 6.53 2.6155 3 0 2 2 34.68 3.14 2.5869 2 2 2 4 34.74 6.33 2.5826 4 2 0 4 34.74 7.39 2.5825 4 1 1 4 35.64 17.47 2.5188 3 1 2 4 36.00 1.47 2.4946 0 3 2 4 36.05 1.81 2.4917 -3 3 1 4 36.10 1.35 2.4881 3 3 0 4 36.24 9.40 2.4785 5 0 0 2 36.25 6.25 2.4781 1 1 3 4 36.71 37.27 2.4480 -2 3 2 4 36.77 1.71 2.4445 -1 2 3 4 36.84 4.10 2.4400 -4 2 2 4 37.17 1.50 2.4191 -5 0 2 2 37.29 1.10 2.4114 -2 2 3 4 37.71 3.64 2.3855 0 2 3 4 38.44 13.30 2.3420 -5 1 2 4 38.65 2.57 2.3297 4 2 1 4 39.22 7.71 2.2972 1 4 0 4 39.22 3.18 2.2972 -3 3 2 4 39.37 4.71 2.2889 3 3 1 4 39.48 4.28 2.2826 3 2 2 4 40.03 3.93 2.2522 1 2 3 4 40.05 2.66 2.2514 2 1 3 4 40.06 4.53 2.2506 0 4 1 4 40.14 2.58 2.2465 -5 2 1 4 40.23 2.91 2.2419 -1 4 1 4 41.08 1.16 2.1973 4 3 0 4 41.26 6.79 2.1879 1 4 1 4 41.28 5.36 2.1873 2 4 0 4 41.74 10.10 2.1642 5 1 1 4 42.85 3.78 2.1104 -1 3 3 4 43.31 6.06 2.0890 -2 3 3 4 43.31 4.70 2.0889 -1 1 4 4 43.37 2.24 2.0865 -5 1 3 4 43.40 1.41 2.0848 -3 0 4 2 43.45 1.54 2.0829 -6 1 1 4 43.55 4.21 2.0780 2 2 3 4 43.65 9.24 2.0735 -6 0 2 2 43.68 17.77 2.0721 0 3 3 4 43.73 3.75 2.0699 2 4 1 4 43.83 8.64 2.0654 6 0 0 2 44.12 1.60 2.0527 -1 4 2 4 44.49 38.31 2.0365 -3 4 1 4 44.53 27.66 2.0348 -3 1 4 4 44.62 1.00 2.0306 0 1 4 4 44.77 3.43 2.0244 -6 1 2 4 44.84 7.67 2.0214 3 1 3 4 44.95 9.14 2.0168 6 1 0 4 45.14 8.54 2.0088 5 2 1 4 45.26 1.27 2.0036 3 3 2 4 45.85 20.39 1.9790 -5 3 1 4 45.90 1.05 1.9772 -4 0 4 2 46.03 1.50 1.9718 1 4 2 4 46.06 11.64 1.9708 1 0 4 2 46.62 3.56 1.9482 -1 2 4 4 46.74 1.38 1.9433 -6 2 1 4 46.83 1.52 1.9399 5 3 0 4 47.13 15.30 1.9284 1 1 4 4 47.19 1.91 1.9261 -3 4 2 4 47.25 9.60 1.9236 5 0 2 2 47.32 10.55 1.9212 3 4 1 4 47.58 1.42 1.9111 -5 3 2 4 47.86 2.78 1.9006 0 2 4 4 47.92 21.48 1.8984 -4 3 3 4 48.00 4.29 1.8955 -6 2 2 4 48.16 2.12 1.8893 6 2 0 4 48.30 2.62 1.8842 5 1 2 4 48.76 1.16 1.8677 2 4 2 4 48.95 16.42 1.8609 2 3 3 4 49.28 1.63 1.8493 1 5 0 4 49.46 9.89 1.8426 -5 0 4 2 49.68 1.00 1.8353 2 0 4 2 50.09 2.34 1.8211 -4 2 4 4 50.60 1.39 1.8039 -7 0 2 2 50.77 14.74 1.7983 -2 4 3 4 50.85 10.96 1.7955 -7 1 1 4 51.01 8.81 1.7904 2 5 0 4 51.10 5.24 1.7875 0 4 3 4 51.36 1.80 1.7790 5 2 2 4 51.40 2.16 1.7776 -2 5 1 4 51.60 1.46 1.7713 -7 1 2 4 51.63 3.76 1.7703 7 0 0 2 51.77 1.31 1.7657 -6 2 3 4 51.81 2.03 1.7645 -5 3 3 4 51.84 6.70 1.7637 4 4 1 4 51.88 2.06 1.7623 -6 3 1 4 52.62 2.13 1.7394 7 1 0 4 52.95 2.23 1.7293 1 4 3 4 53.03 3.16 1.7268 -5 4 1 4 53.11 2.81 1.7243 2 5 1 4 53.39 1.62 1.7162 4 2 3 4 53.45 2.47 1.7143 -5 2 4 4 53.65 3.92 1.7084 2 2 4 4 53.81 2.78 1.7038 -7 2 1 4 53.91 1.27 1.7006 5 4 0 4 53.96 1.54 1.6993 -6 0 4 2 54.21 1.41 1.6920 3 0 4 2 54.26 4.73 1.6907 -2 5 2 4 54.42 1.03 1.6860 6 0 2 2 54.52 3.36 1.6830 -7 2 2 4 54.62 5.05 1.6803 -1 1 5 4 54.91 3.17 1.6720 -6 1 4 4 55.00 3.05 1.6696 -4 3 4 4 55.11 3.15 1.6664 1 5 2 4 55.17 2.02 1.6649 3 1 4 4 55.50 3.62 1.6556 7 2 0 4 55.83 14.07 1.6466 2 4 3 4 56.14 1.32 1.6384 0 1 5 4 56.25 3.66 1.6355 3 5 1 4 56.58 2.45 1.6267 -6 3 3 4 56.73 1.56 1.6228 7 1 1 4 56.88 1.04 1.6188 6 3 1 4 57.44 2.72 1.6044 -1 2 5 4 57.60 1.53 1.6003 -7 2 3 4 58.10 1.15 1.5877 4 3 3 4 58.39 1.08 1.5804 -2 4 4 4 58.42 1.70 1.5797 -1 4 4 4 58.50 2.13 1.5779 -7 3 1 4 58.52 1.22 1.5771 -6 4 1 4 58.88 5.41 1.5685 -8 1 2 4 59.24 1.56 1.5597 -7 0 4 2 59.29 2.10 1.5585 0 6 0 2 59.48 1.22 1.5541 7 2 1 4 59.66 3.64 1.5499 3 4 3 4 60.15 2.94 1.5385 -7 1 4 4 60.43 2.58 1.5318 4 1 4 4 60.55 2.77 1.5291 -1 6 1 4 60.59 1.94 1.5282 8 1 0 4 60.72 1.61 1.5254 -3 5 3 4 60.90 1.34 1.5213 3 5 2 4 61.43 1.42 1.5094 -8 1 3 4 61.54 1.42 1.5069 -2 3 5 4 62.00 8.50 1.4967 7 0 2 2 62.15 1.03 1.4936 2 1 5 4 62.80 1.83 1.4796 -5 5 2 4 62.81 1.01 1.4796 -7 2 4 4 62.89 1.74 1.4778 -6 1 5 4 62.89 3.57 1.4777 -6 4 3 4 63.08 1.41 1.4737 -4 5 3 4 63.51 3.34 1.4648 -1 6 2 4 63.80 3.71 1.4589 -3 6 1 4 64.32 1.04 1.4483 4 4 3 4 64.70 1.07 1.4408 -7 4 1 4 65.65 1.68 1.4222 -8 3 1 4 65.72 1.87 1.4208 1 3 5 4 65.82 1.77 1.4190 -1 0 6 2 66.31 1.20 1.4096 -2 5 4 4 66.43 2.92 1.4073 -4 0 6 2 67.30 2.92 1.3912 8 2 1 4 67.44 1.20 1.3888 -6 5 2 4 67.54 1.95 1.3868 0 0 6 2 67.57 1.41 1.3863 6 5 0 4 67.58 5.94 1.3862 -2 4 5 4 68.38 1.99 1.3718 0 1 6 4 68.94 2.45 1.3621 5 2 4 4 69.70 3.66 1.3491 -6 3 5 4 69.76 1.19 1.3481 5 4 3 4 70.23 6.70 1.3402 6 3 3 4 70.69 1.18 1.3326 1 6 3 4 70.80 1.29 1.3309 6 5 1 4 70.81 2.09 1.3306 7 1 3 4 71.51 1.42 1.3194 -8 4 1 4 71.58 1.49 1.3183 1 4 5 4 71.76 1.38 1.3153 -8 4 2 4 71.87 1.14 1.3137 -5 2 6 4 71.88 1.61 1.3134 -9 0 4 2 72.36 2.25 1.3059 2 7 0 4 72.40 2.08 1.3052 -6 1 6 4 73.06 2.28 1.2951 6 1 4 4 73.99 1.05 1.2812 -7 3 5 4 74.38 4.41 1.2754 -1 7 2 4 74.99 1.54 1.2666 -2 5 5 4 75.82 1.24 1.2547 3 5 4 4 76.59 3.04 1.2441 6 6 0 4 77.87 1.76 1.2267 4 7 0 4 78.83 1.50 1.2142 1 5 5 4 78.96 4.67 1.2125 -9 4 1 4 79.08 1.31 1.2109 5 6 2 4 79.13 1.71 1.2104 -4 7 2 4 79.13 1.43 1.2103 -9 3 4 4 80.76 3.29 1.1899 -5 6 4 4 80.76 3.06 1.1899 -9 4 3 4 80.78 1.63 1.1897 3 7 2 4 80.87 3.01 1.1887 -3 2 7 4 81.14 2.48 1.1854 8 2 3 4 82.53 1.78 1.1689 0 8 0 2 82.56 1.08 1.1685 -6 5 5 4 83.84 1.67 1.1539 5 3 5 4 84.01 1.01 1.1520 0 2 7 4 84.07 1.78 1.1513 -1 6 5 4 84.10 1.76 1.1510 4 1 6 4 84.60 1.75 1.1455 -8 4 5 4 84.79 4.03 1.1434 -3 3 7 4 84.82 3.14 1.1430 -11 1 3 4 85.69 1.47 1.1337 -1 7 4 4 85.83 1.14 1.1322 3 5 5 4 85.98 1.04 1.1306 2 8 1 4 85.98 1.27 1.1306 -1 3 7 4 86.54 2.41 1.1248 -3 7 4 4 86.54 1.33 1.1247 3 8 0 4 87.21 2.03 1.1177 -11 0 4 2 87.99 1.06 1.1098 -11 1 4 4 88.43 1.91 1.1055 10 3 1 4 88.43 2.09 1.1055 8 1 4 4 89.17 1.02 1.0982 -7 2 7 4 89.30 2.30 1.0970 5 4 5 4 89.86 1.20 1.0916 7 5 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.