Hilgardite Ghose S, Wan C American Mineralogist 64 (1979) 187-195 Hilgardite, Ca2[B5O9]Cl*H2O: a piezoelectric zeolite-type pentaborate Note: polytype Hilgardite-4M Locality: Choctow Salt Dome, Iberville Parish, Louisiana, USA _database_code_amcsd 0000696 CELL PARAMETERS: 11.4380 11.3180 6.3180 90.000 90.060 90.000 SPACE GROUP: Aa X-RAY WAVELENGTH: 1.541838 Cell Volume: 817.898 Density (g/cm3): 2.693 MAX. ABS. INTENSITY / VOLUME**2: 5.774737468 RIR: 0.698 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 15.49 29.51 5.7190 2 0 0 1 15.66 31.10 5.6590 0 2 0 2 16.07 10.20 5.5167 0 1 1 2 17.48 1.67 5.0722 1 2 0 2 17.86 7.02 4.9671 1 1 1 2 22.10 14.40 4.0226 2 2 0 2 22.38 4.18 3.9723 -2 1 1 2 27.54 29.29 3.2391 0 3 1 2 28.22 4.37 3.1620 3 2 0 2 28.25 25.30 3.1590 0 0 2 1 28.44 23.26 3.1378 -3 1 1 2 28.47 21.51 3.1351 3 1 1 2 28.64 4.86 3.1170 -1 3 1 2 28.65 3.84 3.1161 1 3 1 2 31.28 100.00 2.8595 4 0 0 1 31.62 83.26 2.8295 0 4 0 2 31.76 10.17 2.8178 2 3 1 2 32.36 6.17 2.7664 -2 0 2 1 32.39 11.95 2.7640 2 0 2 1 32.46 43.50 2.7583 0 2 2 2 32.60 2.93 2.7467 1 4 0 2 33.41 4.30 2.6820 -1 2 2 2 33.42 6.14 2.6809 1 2 2 2 35.16 19.73 2.5522 4 2 0 2 35.34 2.83 2.5397 -4 1 1 2 35.37 6.75 2.5378 4 1 1 2 35.39 15.81 2.5361 2 4 0 2 36.14 5.57 2.4853 -2 2 2 2 36.41 3.78 2.4679 3 3 1 2 40.38 3.09 2.2338 3 2 2 2 42.14 6.56 2.1443 -4 3 1 2 42.17 1.86 2.1431 4 3 1 2 42.42 11.29 2.1310 0 5 1 2 42.63 5.04 2.1211 -4 0 2 1 42.63 1.26 2.1209 5 2 0 2 42.67 22.20 2.1189 4 0 2 1 42.78 17.66 2.1138 -5 1 1 2 42.91 8.88 2.1077 0 4 2 2 43.18 2.19 2.0950 -1 5 1 2 43.19 16.78 2.0948 1 5 1 2 43.66 5.12 2.0730 -1 4 2 2 43.67 5.43 2.0725 1 4 2 2 43.72 10.35 2.0705 0 1 3 2 44.46 29.83 2.0377 -1 1 3 2 45.08 10.29 2.0113 4 4 0 2 45.43 6.03 1.9966 2 5 1 2 45.68 16.54 1.9861 -4 2 2 2 45.72 19.48 1.9843 4 2 2 2 45.88 12.99 1.9781 -2 4 2 2 45.90 10.62 1.9772 2 4 2 2 46.64 6.91 1.9474 -2 1 3 2 46.67 5.07 1.9462 2 1 3 2 47.71 2.54 1.9063 6 0 0 1 48.24 3.28 1.8863 0 6 0 2 48.72 22.42 1.8691 -5 3 1 2 48.94 1.09 1.8612 1 6 0 2 48.96 15.78 1.8604 -3 5 1 2 48.98 2.17 1.8599 3 5 1 2 49.39 5.17 1.8451 -3 4 2 2 49.42 5.75 1.8440 3 4 2 2 49.57 2.68 1.8389 0 3 3 2 50.16 2.32 1.8187 3 1 3 2 50.24 8.86 1.8158 -1 3 3 2 50.26 3.36 1.8153 1 3 3 2 50.52 2.33 1.8066 6 2 0 2 51.95 2.22 1.7600 5 2 2 2 52.27 1.18 1.7501 2 3 3 2 53.63 6.44 1.7090 -4 5 1 2 53.65 7.15 1.7084 4 5 1 2 54.03 2.33 1.6972 -4 4 2 2 54.07 16.30 1.6960 4 4 2 2 54.71 6.94 1.6778 -4 1 3 2 54.76 2.56 1.6762 4 1 3 2 55.46 2.35 1.6569 -3 3 3 2 55.98 1.06 1.6425 6 3 1 2 56.40 1.80 1.6314 6 0 2 1 56.85 3.52 1.6196 0 6 2 2 57.47 1.19 1.6034 1 6 2 2 58.37 2.07 1.5810 6 4 0 2 58.82 1.37 1.5699 7 2 0 2 58.94 1.73 1.5671 -7 1 1 2 58.97 3.32 1.5664 0 7 1 2 58.97 2.45 1.5663 7 1 1 2 59.25 1.57 1.5595 -5 5 1 2 59.27 2.69 1.5590 5 5 1 2 59.29 1.12 1.5585 -2 6 2 2 59.63 1.49 1.5506 -5 4 2 2 59.67 1.76 1.5495 5 4 2 2 59.77 1.09 1.5473 -4 3 3 2 59.82 1.56 1.5460 4 3 3 2 60.33 1.57 1.5343 5 1 3 2 60.59 2.99 1.5282 -1 5 3 2 60.60 3.25 1.5279 1 5 3 2 60.86 1.47 1.5221 2 0 4 1 60.89 5.10 1.5214 0 2 4 2 61.37 2.61 1.5106 2 7 1 2 63.23 2.79 1.4706 -2 2 4 2 63.27 1.33 1.4699 2 2 4 2 64.30 2.38 1.4487 3 7 1 2 65.26 1.24 1.4298 -3 5 3 2 65.26 3.71 1.4297 8 0 0 1 66.04 1.02 1.4147 0 8 0 2 66.06 1.35 1.4143 -6 4 2 2 66.11 1.36 1.4133 6 4 2 2 66.31 2.89 1.4096 -4 6 2 2 66.35 1.71 1.4089 4 6 2 2 66.61 1.22 1.4041 1 8 0 2 66.66 1.66 1.4031 -6 1 3 2 67.58 4.33 1.3862 8 2 0 2 67.72 1.89 1.3837 8 1 1 2 68.30 4.01 1.3734 2 8 0 2 70.02 2.43 1.3437 -4 2 4 2 70.09 2.69 1.3425 4 2 4 2 70.19 1.08 1.3409 6 6 0 2 70.22 1.03 1.3405 2 4 4 2 71.29 1.16 1.3229 6 3 3 2 72.21 1.03 1.3083 -8 3 1 2 72.94 2.90 1.2969 -7 5 1 2 73.23 2.68 1.2926 -5 7 1 2 73.25 1.20 1.2923 5 7 1 2 74.19 2.36 1.2781 5 5 3 2 74.33 1.33 1.2761 8 4 0 2 74.43 2.23 1.2746 -1 7 3 2 74.76 2.63 1.2698 -8 2 2 2 74.83 1.85 1.2689 8 2 2 2 77.01 2.48 1.2382 9 1 1 2 77.90 1.28 1.2263 -1 9 1 2 77.91 2.73 1.2262 1 9 1 2 78.14 1.02 1.2231 -3 8 2 2 78.23 1.95 1.2220 -7 3 3 2 78.70 1.91 1.2158 -3 7 3 2 78.72 1.12 1.2156 6 0 4 1 79.08 2.32 1.2110 0 6 4 2 79.60 1.32 1.2044 -1 6 4 2 79.61 1.83 1.2042 1 6 4 2 80.56 3.81 1.1924 3 1 5 2 80.63 2.08 1.1915 1 3 5 2 80.78 4.30 1.1897 -6 2 4 2 80.96 1.06 1.1875 -8 5 1 2 81.00 1.95 1.1871 8 5 1 2 81.31 1.36 1.1833 -9 3 1 2 81.35 1.65 1.1829 9 3 1 2 81.35 1.53 1.1828 8 4 2 2 81.83 1.96 1.1771 -8 1 3 2 81.87 1.92 1.1766 4 8 2 2 82.13 2.12 1.1736 -3 9 1 2 82.18 1.21 1.1730 -2 3 5 2 82.22 1.38 1.1725 2 3 5 2 84.79 2.32 1.1434 -3 3 5 2 84.85 1.11 1.1427 3 3 5 2 85.47 1.82 1.1361 6 8 0 2 85.98 1.43 1.1306 7 7 1 2 87.20 1.40 1.1179 -6 4 4 2 87.44 2.30 1.1155 -4 6 4 2 89.88 2.02 1.0913 9 5 1 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.