Hilgardite Wan C, Ghose S American Mineralogist 68 (1983) 604-613 Parahilgardite, Ca6[B5O9]3Cl3*3H2O: a triclinic piezoelectric zeolite-type pentaborate Note: polytype Hilgardite-3A Locality: Iberville Parish, Louisiana, USA _database_code_amcsd 0000901 CELL PARAMETERS: 17.4950 6.4870 6.3130 60.770 79.560 83.960 SPACE GROUP: P1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 614.766 Density (g/cm3): 2.687 MAX. ABS. INTENSITY / VOLUME**2: 5.601747507 RIR: 0.679 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 15.45 32.62 5.7340 3 0 0 1 15.66 31.17 5.6599 0 1 0 1 16.24 3.23 5.4572 1 1 1 1 16.27 2.13 5.4471 0 0 1 1 16.29 1.85 5.4399 0 1 1 1 16.32 2.93 5.4322 1 0 1 1 17.77 6.44 4.9923 2 1 1 1 17.92 1.76 4.9487 2 0 1 1 18.60 1.10 4.7710 2 1 0 1 21.85 10.50 4.0680 3 1 0 1 22.28 4.90 3.9894 -3 1 0 1 24.16 2.35 3.6836 -3 0 1 1 24.37 2.05 3.6518 -3 1 1 1 26.27 1.13 3.3925 -4 1 0 1 27.59 8.61 3.2325 1 2 1 1 27.65 8.05 3.2267 0 -1 1 1 27.68 4.71 3.2222 0 2 1 1 27.73 4.79 3.2169 1 -1 1 1 28.26 11.24 3.1574 5 1 1 1 28.27 24.80 3.1565 1 1 2 1 28.30 17.27 3.1537 -4 0 1 1 28.54 3.10 3.1278 -1 -1 1 1 28.54 10.91 3.1277 5 0 1 1 28.54 7.56 3.1275 -4 1 1 1 28.75 3.38 3.1055 -1 2 1 1 28.79 5.40 3.1012 2 -1 1 1 30.13 1.17 2.9657 5 1 0 1 30.28 3.44 2.9521 3 2 1 1 30.72 4.75 2.9101 3 -1 1 1 31.20 100.00 2.8670 6 0 0 1 31.62 83.45 2.8300 0 2 0 1 31.95 2.27 2.8012 1 2 0 1 32.15 2.79 2.7837 -1 2 0 1 32.37 12.07 2.7661 4 1 2 1 32.39 5.85 2.7643 -2 1 2 1 32.45 21.92 2.7591 1 2 2 1 32.51 22.74 2.7545 1 0 2 1 32.82 1.29 2.7286 2 2 2 1 32.83 1.49 2.7276 4 2 1 1 32.89 1.45 2.7236 0 0 2 1 32.93 1.58 2.7199 0 2 2 1 32.98 2.01 2.7161 2 0 2 1 33.06 1.07 2.7096 6 0 1 1 34.02 1.77 2.6350 3 2 2 1 34.27 1.12 2.6165 3 0 2 1 34.80 10.24 2.5780 6 1 0 1 35.09 8.10 2.5576 3 2 0 1 35.37 8.21 2.5377 -6 1 0 1 35.65 8.17 2.5183 -3 2 0 1 35.98 1.68 2.4962 4 2 2 1 36.02 1.51 2.4935 5 2 1 1 36.05 2.35 2.4915 -2 0 2 1 36.28 3.29 2.4764 -2 2 2 1 36.68 2.81 2.4502 5 -1 1 1 37.54 2.40 2.3958 7 1 1 1 37.57 1.22 2.3938 -6 0 1 1 37.84 2.10 2.3773 7 0 1 1 37.85 1.23 2.3768 -6 1 1 1 40.42 1.63 2.2318 -5 2 1 1 42.42 5.62 2.1308 1 3 1 1 42.48 2.58 2.1280 0 -2 1 1 42.56 10.63 2.1241 -7 0 1 1 42.58 2.81 2.1233 1 -2 1 1 42.58 21.21 2.1231 7 1 2 1 42.62 4.32 2.1215 -5 1 2 1 42.85 7.22 2.1104 -7 1 1 1 42.88 4.45 2.1092 1 3 2 1 42.97 5.55 2.1050 1 -1 2 1 43.00 12.59 2.1035 2 3 1 1 43.13 1.14 2.0973 2 3 2 1 43.30 1.33 2.0897 0 3 2 1 43.30 1.96 2.0895 -1 3 1 1 43.35 4.68 2.0872 2 -2 1 1 43.38 2.15 2.0859 2 -1 2 1 43.79 1.11 2.0675 7 2 1 1 43.81 3.20 2.0664 2 2 3 1 43.83 1.58 2.0653 1 2 3 1 43.84 2.03 2.0652 -6 -1 1 1 43.85 1.96 2.0648 1 1 3 1 43.86 2.62 2.0641 2 1 3 1 44.05 1.01 2.0556 3 3 2 1 44.15 2.15 2.0513 -1 -1 2 1 44.38 1.30 2.0414 -1 3 2 1 44.49 11.61 2.0363 0 1 3 1 44.52 18.89 2.0352 0 2 3 1 44.54 1.20 2.0343 3 1 3 1 44.55 4.73 2.0340 6 2 0 1 44.57 1.29 2.0330 -6 2 1 1 44.58 1.07 2.0324 7 -1 1 1 44.77 1.67 2.0242 3 -2 1 1 45.39 8.16 1.9982 7 2 2 1 45.46 7.62 1.9951 -5 0 2 1 45.47 5.16 1.9947 -6 2 0 1 45.60 3.63 1.9892 4 3 2 1 45.70 8.84 1.9851 -2 -1 2 1 45.72 1.45 1.9843 4 2 3 1 45.78 1.24 1.9822 -1 1 3 1 45.84 1.53 1.9796 -1 2 3 1 45.85 1.73 1.9791 4 1 3 1 45.88 8.56 1.9780 -5 2 2 1 45.89 11.95 1.9776 7 0 2 1 46.08 4.27 1.9699 -2 3 2 1 46.08 2.47 1.9697 4 3 1 1 46.14 7.42 1.9672 4 -1 2 1 47.57 3.15 1.9113 9 0 0 1 47.66 2.15 1.9082 -2 1 3 1 47.76 1.82 1.9045 -2 2 3 1 48.24 2.93 1.8866 0 3 0 1 48.26 10.44 1.8858 -7 -1 1 1 48.35 1.22 1.8825 -3 3 2 1 48.41 1.78 1.8803 5 -1 2 1 48.56 7.18 1.8750 -4 -2 1 1 49.05 12.25 1.8574 -7 2 1 1 49.32 8.12 1.8477 -4 3 1 1 49.36 1.68 1.8463 5 -2 1 1 49.60 1.04 1.8378 2 3 3 1 50.03 1.76 1.8233 6 2 3 1 50.07 2.06 1.8217 9 1 0 1 50.15 2.79 1.8191 3 3 3 1 50.25 4.63 1.8157 0 0 3 1 50.32 4.28 1.8133 0 3 3 1 50.41 2.13 1.8103 6 3 2 1 50.51 2.00 1.8069 -4 -1 2 1 50.71 1.14 1.8003 -9 1 0 1 51.19 1.16 1.7845 6 -1 2 1 52.38 1.91 1.7468 -5 3 1 1 52.41 2.30 1.7457 6 -2 1 1 53.01 1.60 1.7274 -4 1 3 1 53.17 1.96 1.7225 -4 2 3 1 53.55 8.90 1.7113 7 3 2 1 53.65 1.29 1.7082 -5 -1 2 1 54.39 1.37 1.6869 -5 3 2 1 54.43 7.15 1.6856 7 -1 2 1 54.78 2.67 1.6758 7 3 1 1 54.84 2.20 1.6741 -6 -2 1 1 55.31 1.06 1.6610 -3 0 3 1 55.67 1.43 1.6509 -3 3 3 1 55.87 1.20 1.6456 -6 3 1 1 55.90 1.08 1.6447 7 -2 1 1 56.25 1.71 1.6355 10 1 2 1 56.31 1.08 1.6337 8 2 3 1 56.38 1.51 1.6318 -5 1 3 1 56.57 1.30 1.6269 -5 2 3 1 56.80 1.59 1.6208 1 4 2 1 56.91 1.93 1.6180 1 -2 2 1 58.55 2.13 1.5764 8 3 1 1 58.61 1.44 1.5749 -7 -2 1 1 58.62 1.32 1.5749 11 1 1 1 58.65 1.40 1.5741 -10 0 1 1 58.94 1.23 1.5670 1 4 1 1 58.96 1.21 1.5666 11 0 1 1 59.00 1.16 1.5655 0 -3 1 1 60.09 1.29 1.5398 9 2 3 1 60.43 1.32 1.5319 3 4 3 1 60.57 1.57 1.5287 0 -1 3 1 60.68 1.21 1.5263 0 4 3 1 60.79 1.87 1.5236 3 -1 3 1 60.87 1.39 1.5220 5 2 4 1 60.91 3.09 1.5210 2 3 4 1 60.92 1.32 1.5206 3 -3 1 1 60.98 2.11 1.5195 2 1 4 1 63.24 1.49 1.4704 -1 1 4 1 63.36 1.19 1.4680 -1 3 4 1 64.76 1.20 1.4395 5 -3 1 1 65.07 3.37 1.4335 12 0 0 1 65.81 1.31 1.4191 -5 -2 2 1 66.03 1.08 1.4150 0 4 0 1 66.54 1.08 1.4053 10 -1 2 1 66.79 1.53 1.4007 -5 4 2 1 67.03 2.13 1.3961 12 1 0 1 67.74 1.68 1.3832 -12 1 0 1 67.92 1.94 1.3800 3 4 0 1 68.63 1.81 1.3676 -3 4 0 1 69.83 1.24 1.3470 8 3 4 1 69.94 1.05 1.3451 -4 1 4 1 70.22 1.35 1.3403 -4 3 4 1 70.24 1.17 1.3401 8 1 4 1 72.10 1.34 1.3100 -10 -2 1 1 72.45 1.24 1.3046 -7 -3 1 1 73.50 1.09 1.2885 9 4 3 1 73.56 1.11 1.2876 -10 3 1 1 73.89 1.33 1.2827 -7 4 1 1 74.32 1.25 1.2762 -11 0 2 1 74.53 1.25 1.2733 0 5 3 1 74.68 1.10 1.2710 9 -1 3 1 74.97 1.14 1.2668 -11 2 2 1 76.57 1.79 1.2443 14 1 1 1 77.67 1.13 1.2294 2 5 1 1 77.78 1.08 1.2279 -9 0 3 1 78.11 1.18 1.2235 2 -4 1 1 78.58 1.15 1.2174 11 2 4 1 78.65 1.01 1.2165 -7 2 4 1 79.02 1.80 1.2117 2 5 4 1 80.47 1.65 1.1935 7 3 5 1 80.59 2.11 1.1920 -7 1 4 1 80.63 2.22 1.1915 7 2 5 1 80.80 1.30 1.1895 4 1 5 1 81.03 1.79 1.1867 -7 3 4 1 81.58 1.14 1.1801 -4 -4 1 1 81.66 1.19 1.1791 14 -1 1 1 84.76 1.74 1.1438 -2 1 5 1 87.89 1.47 1.1109 -4 5 4 1 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.