Howlite Finney J J, Kumbasar I, Konnert J A, Clark J R American Mineralogist 55 (1970) 716-728 Crystal structure of the calcium silicoborate, howlite _database_code_amcsd 0000202 CELL PARAMETERS: 12.7800 9.3300 8.6000 90.000 104.830 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 991.284 Density (g/cm3): 2.588 MAX. ABS. INTENSITY / VOLUME**2: 4.044127809 RIR: 0.509 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.16 19.05 12.3543 1 0 0 2 11.89 3.38 7.4454 1 1 0 4 14.27 97.32 6.2069 0 1 1 4 14.34 16.88 6.1771 2 0 0 2 14.70 10.34 6.0276 -1 1 1 4 17.17 7.50 5.1645 1 1 1 4 17.22 1.54 5.1506 2 1 0 4 18.22 4.33 4.8682 -2 1 1 4 19.02 2.45 4.6650 0 2 0 2 20.35 22.48 4.3642 1 2 0 4 20.73 9.32 4.2852 -1 0 2 2 21.38 8.56 4.1568 0 0 2 2 21.58 19.05 4.1181 3 0 0 2 22.13 12.04 4.0165 -1 2 1 4 22.52 7.31 3.9484 -2 0 2 2 22.84 100.00 3.8941 -1 1 2 4 23.43 5.54 3.7970 0 1 2 4 23.53 6.66 3.7804 -3 1 1 4 23.87 9.48 3.7279 1 2 1 4 23.90 6.03 3.7227 2 2 0 4 24.28 9.58 3.6663 1 0 2 2 24.65 12.19 3.6118 -2 2 1 4 26.11 3.26 3.4123 1 1 2 4 27.99 2.59 3.1875 -3 1 2 4 28.28 3.03 3.1558 -1 2 2 4 28.79 24.68 3.1006 2 0 2 2 28.85 41.17 3.0944 -3 2 1 4 28.91 15.17 3.0886 4 0 0 2 28.92 8.15 3.0873 3 2 0 4 29.62 9.03 3.0159 1 3 0 4 29.64 35.66 3.0138 -2 2 2 4 29.75 2.89 3.0035 -4 1 1 4 30.38 7.16 2.9424 2 1 2 4 30.49 33.77 2.9321 4 1 0 4 30.69 4.09 2.9129 0 3 1 4 30.90 32.98 2.8937 -1 3 1 4 31.35 20.80 2.8533 -4 0 2 2 32.20 24.62 2.7800 1 3 1 4 32.23 4.98 2.7778 2 3 0 4 32.64 5.74 2.7432 -3 2 2 4 32.82 3.03 2.7285 -4 1 2 4 32.83 10.00 2.7283 3 2 1 4 33.74 31.90 2.6565 0 1 3 4 34.18 3.95 2.6233 -4 2 1 4 34.35 5.16 2.6105 3 0 2 2 34.74 2.76 2.5822 2 2 2 4 34.83 6.68 2.5758 4 1 1 4 34.84 5.75 2.5753 4 2 0 4 35.72 14.11 2.5139 3 1 2 4 36.07 1.11 2.4902 0 3 2 4 36.14 1.85 2.4855 -3 3 1 4 36.19 1.16 2.4818 3 3 0 4 36.29 5.43 2.4753 1 1 3 4 36.36 8.39 2.4709 5 0 0 2 36.79 28.97 2.4431 -2 3 2 4 36.81 1.21 2.4414 -1 2 3 4 36.93 3.75 2.4341 -4 2 2 4 37.27 1.21 2.4124 -5 0 2 2 37.35 1.09 2.4079 -2 2 3 4 37.76 2.92 2.3825 0 2 3 4 38.55 11.09 2.3356 -5 1 2 4 38.75 2.15 2.3238 4 2 1 4 39.31 2.18 2.2922 -3 3 2 4 39.31 6.08 2.2920 1 4 0 4 39.46 4.18 2.2835 3 3 1 4 39.56 4.21 2.2780 3 2 2 4 40.09 3.38 2.2492 1 2 3 4 40.10 2.93 2.2484 2 1 3 4 40.15 3.40 2.2458 0 4 1 4 40.26 1.96 2.2400 -5 2 1 4 40.32 2.61 2.2370 -1 4 1 4 41.19 1.03 2.1915 4 3 0 4 41.36 5.77 2.1832 1 4 1 4 41.38 4.98 2.1821 2 4 0 4 41.86 8.07 2.1583 5 1 1 4 42.92 3.14 2.1072 -1 3 3 4 43.36 4.16 2.0869 -1 1 4 4 43.39 4.85 2.0855 -2 3 3 4 43.46 1.22 2.0822 -3 0 4 2 43.47 1.96 2.0818 -5 1 3 4 43.59 1.18 2.0765 -6 1 1 4 43.62 3.50 2.0749 2 2 3 4 43.75 14.64 2.0690 0 3 3 4 43.79 7.60 2.0675 -6 0 2 2 43.84 3.01 2.0653 2 4 1 4 43.98 7.74 2.0590 6 0 0 2 44.21 1.47 2.0487 -1 4 2 4 44.59 23.60 2.0322 -3 1 4 4 44.60 32.67 2.0316 -3 4 1 4 44.90 2.75 2.0186 -6 1 2 4 44.91 6.60 2.0181 3 1 3 4 45.09 7.86 2.0107 6 1 0 4 45.26 6.91 2.0035 5 2 1 4 45.36 1.12 1.9995 3 3 2 4 45.97 1.09 1.9742 -4 0 4 2 45.99 18.21 1.9736 -5 3 1 4 46.10 10.56 1.9688 1 0 4 2 46.68 2.95 1.9460 -1 2 4 4 46.89 1.25 1.9375 -6 2 1 4 47.18 13.42 1.9264 1 1 4 4 47.30 1.61 1.9219 -3 4 2 4 47.37 9.30 1.9191 5 0 2 2 47.43 9.42 1.9167 3 4 1 4 47.71 1.11 1.9062 -5 3 2 4 47.92 2.21 1.8985 0 2 4 4 48.02 19.08 1.8945 -4 3 3 4 48.14 3.42 1.8902 -6 2 2 4 48.32 1.81 1.8837 6 2 0 4 48.42 2.19 1.8798 5 1 2 4 49.03 14.32 1.8578 2 3 3 4 49.39 1.37 1.8451 1 5 0 4 49.56 8.18 1.8392 -5 0 4 2 49.74 1.07 1.8332 2 0 4 2 50.18 2.23 1.8181 -4 2 4 4 50.76 1.05 1.7986 -7 0 2 2 50.87 13.13 1.7951 -2 4 3 4 51.02 10.01 1.7900 -7 1 1 4 51.14 7.66 1.7863 2 5 0 4 51.19 4.59 1.7845 0 4 3 4 51.49 1.35 1.7748 5 2 2 4 51.53 1.92 1.7736 -2 5 1 4 51.76 1.18 1.7660 -7 1 2 4 51.80 3.23 1.7649 7 0 0 2 51.91 1.31 1.7614 -6 2 3 4 51.94 1.92 1.7605 -5 3 3 4 51.97 5.80 1.7594 4 4 1 4 52.04 1.73 1.7573 -6 3 1 4 52.79 1.74 1.7341 7 1 0 4 53.05 2.10 1.7264 1 4 3 4 53.18 2.66 1.7222 -5 4 1 4 53.24 2.51 1.7205 2 5 1 4 53.49 1.29 1.7130 4 2 3 4 53.56 2.40 1.7111 -5 2 4 4 53.72 3.47 1.7062 2 2 4 4 53.98 2.15 1.6986 -7 2 1 4 54.07 1.19 1.6961 5 4 0 4 54.08 1.30 1.6958 -6 0 4 2 54.29 1.27 1.6896 3 0 4 2 54.38 4.27 1.6871 -2 5 2 4 54.67 4.43 1.6787 -1 1 5 4 54.69 2.79 1.6782 -7 2 2 4 55.04 3.16 1.6684 -6 1 4 4 55.10 2.25 1.6667 -4 3 4 4 55.24 2.53 1.6630 1 5 2 4 55.25 1.83 1.6626 3 1 4 4 55.68 3.01 1.6507 7 2 0 4 55.94 12.75 1.6437 2 4 3 4 56.19 1.17 1.6369 0 1 5 4 56.39 3.51 1.6317 3 5 1 4 56.73 2.09 1.6227 -6 3 3 4 56.90 1.42 1.6182 7 1 1 4 57.50 2.69 1.6027 -1 2 5 4 57.76 1.37 1.5961 -7 2 3 4 58.52 1.36 1.5774 -1 4 4 4 58.68 1.95 1.5733 -7 3 1 4 58.70 1.02 1.5728 -6 4 1 4 59.07 4.80 1.5638 -8 1 2 4 59.40 1.65 1.5561 -7 0 4 2 59.44 1.85 1.5550 0 6 0 2 59.66 1.11 1.5498 7 2 1 4 59.78 3.24 1.5470 3 4 3 4 60.30 2.76 1.5349 -7 1 4 4 60.54 2.12 1.5293 4 1 4 4 60.70 2.02 1.5257 -1 6 1 4 60.80 1.77 1.5236 8 1 0 4 60.85 1.53 1.5223 -3 5 3 4 61.04 1.14 1.5180 3 5 2 4 61.62 1.09 1.5052 -8 1 3 4 61.62 1.06 1.5050 -2 3 5 4 62.18 7.25 1.4929 7 0 2 2 62.97 1.59 1.4760 -5 5 2 4 63.01 1.64 1.4751 -6 1 5 4 63.06 2.94 1.4741 -6 4 3 4 63.23 1.47 1.4705 -4 5 3 4 63.66 2.72 1.4617 -1 6 2 4 63.97 2.89 1.4555 -3 6 1 4 65.81 1.53 1.4191 1 3 5 4 65.87 1.49 1.4180 -8 3 1 4 65.88 1.67 1.4177 -1 0 6 2 66.44 1.03 1.4072 -2 5 4 4 66.52 2.49 1.4057 -4 0 6 2 67.52 2.52 1.3873 8 2 1 4 67.61 1.77 1.3856 0 0 6 2 67.63 1.03 1.3852 -6 5 2 4 67.69 5.00 1.3842 -2 4 5 4 67.77 1.11 1.3827 6 5 0 4 68.46 1.79 1.3706 0 1 6 4 69.08 2.04 1.3597 5 2 4 4 69.85 2.97 1.3466 -6 3 5 4 69.93 1.03 1.3452 5 4 3 4 70.41 5.98 1.3373 6 3 3 4 70.85 1.00 1.3300 1 6 3 4 71.00 1.62 1.3275 7 1 3 4 71.00 1.02 1.3275 6 5 1 4 71.69 1.25 1.3165 1 4 5 4 71.74 1.15 1.3157 -8 4 1 4 71.99 1.05 1.3116 -8 4 2 4 72.10 1.36 1.3099 -9 0 4 2 72.53 1.70 1.3032 -6 1 6 4 72.56 1.92 1.3029 2 7 0 4 73.22 1.88 1.2926 6 1 4 4 74.56 3.63 1.2727 -1 7 2 4 75.12 1.28 1.2646 -2 5 5 4 75.98 1.11 1.2525 3 5 4 4 76.82 2.52 1.2409 6 6 0 4 78.09 1.55 1.2238 4 7 0 4 78.97 1.23 1.2123 1 5 5 4 79.23 4.06 1.2090 -9 4 1 4 79.30 1.09 1.2082 5 6 2 4 79.34 1.38 1.2076 -4 7 2 4 79.37 1.11 1.2072 -9 3 4 4 80.96 2.73 1.1875 -5 6 4 4 80.97 2.40 1.1874 -3 2 7 4 81.00 1.46 1.1871 3 7 2 4 81.03 2.50 1.1867 -9 4 3 4 81.37 1.98 1.1825 8 2 3 4 82.76 1.58 1.1662 0 8 0 2 84.01 1.39 1.1520 5 3 5 4 84.24 1.42 1.1495 4 1 6 4 84.24 1.53 1.1494 -1 6 5 4 84.83 1.65 1.1430 -8 4 5 4 84.91 3.39 1.1421 -3 3 7 4 85.14 2.50 1.1396 -11 1 3 4 85.89 1.23 1.1315 -1 7 4 4 86.00 1.01 1.1304 3 5 5 4 86.10 1.04 1.1294 -1 3 7 4 86.75 2.08 1.1226 -3 7 4 4 86.79 1.04 1.1221 3 8 0 4 87.53 1.67 1.1146 -11 0 4 2 88.67 1.76 1.1031 8 1 4 4 88.75 1.57 1.1024 10 3 1 4 89.50 2.01 1.0951 5 4 5 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.