Kentbrooksite Johnsen O, Grice J D The Canadian Mineralogist 37 (1999) 865-891 The crystal chemistry of the eudialyte group Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada Sample: #4 Note: additional sites with low but unreported occupancies excluded _database_code_amcsd 0005610 CELL PARAMETERS: 14.1854 14.1854 30.1010 90.000 90.000 120.000 SPACE GROUP: R3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 5245.595 Density (g/cm3): 2.960 MAX. ABS. INTENSITY / VOLUME**2: 7.194523955 RIR: 0.791 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.77 28.70 11.3741 1 0 1 3 8.81 9.45 10.0337 0 0 3 1 9.29 20.42 9.5170 0 1 2 3 12.48 54.67 7.0927 1 1 0 6 13.80 36.66 6.4170 1 0 4 3 14.72 19.07 6.0184 0 2 1 3 15.30 1.44 5.7918 1 1 3 6 15.58 40.48 5.6871 2 0 2 3 16.40 8.98 5.4060 0 1 5 3 17.68 1.75 5.0168 0 0 6 1 18.65 1.58 4.7585 0 2 4 3 20.01 1.85 4.4369 1 2 2 6 20.66 43.88 4.2995 2 0 5 3 21.70 16.86 4.0958 1 1 6 6 21.70 6.77 4.0950 3 0 0 3 21.90 3.12 4.0587 1 0 7 3 22.50 29.97 3.9516 2 1 4 6 23.46 26.59 3.7914 3 0 3 3 24.21 3.90 3.6767 1 2 5 6 24.75 8.86 3.5977 0 1 8 3 25.11 21.78 3.5464 2 2 0 6 25.28 27.94 3.5227 0 2 7 3 26.32 39.11 3.3856 1 3 1 6 26.65 2.21 3.3446 0 0 9 1 26.66 3.86 3.3436 2 2 3 6 26.83 9.09 3.3231 3 1 2 6 27.81 38.54 3.2085 2 0 8 3 28.13 5.61 3.1723 0 3 6 3 28.13 8.45 3.1723 3 0 6 3 28.29 30.98 3.1550 2 1 7 6 29.53 25.44 3.0251 1 1 9 6 29.69 8.66 3.0092 0 4 2 3 30.14 90.33 2.9653 3 1 5 6 30.58 6.25 2.9233 1 2 8 6 30.88 17.52 2.8959 2 2 6 6 31.46 100.00 2.8435 4 0 4 3 31.89 1.20 2.8061 3 2 1 6 32.32 3.67 2.7702 2 3 2 6 32.73 2.70 2.7358 0 4 5 3 33.14 12.33 2.7030 0 2 10 3 33.43 6.82 2.6808 4 1 0 6 33.55 1.32 2.6710 0 1 11 3 33.56 14.80 2.6705 1 3 7 6 33.97 16.95 2.6393 3 2 4 6 34.63 25.17 2.5904 0 3 9 3 34.63 1.93 2.5904 3 0 9 3 34.63 2.07 2.5899 1 4 3 6 34.63 1.77 2.5899 4 1 3 6 35.16 1.38 2.5525 2 3 5 6 35.54 6.85 2.5258 2 1 10 6 35.55 5.97 2.5256 3 1 8 6 35.80 5.24 2.5084 0 0 12 1 36.70 9.67 2.4488 0 5 1 3 36.94 5.78 2.4332 2 2 9 6 37.81 11.11 2.3793 0 4 8 3 38.06 5.49 2.3644 1 4 6 6 38.06 4.59 2.3642 3 3 0 6 38.18 1.68 2.3572 3 2 7 6 38.91 13.89 2.3148 2 4 1 6 39.15 2.48 2.3012 3 3 3 6 39.27 1.42 2.2945 4 2 2 6 39.61 2.20 2.2754 1 0 13 3 39.97 2.68 2.2559 1 3 10 6 39.97 3.08 2.2557 2 3 8 6 41.02 3.94 2.2005 5 1 1 6 41.36 8.34 2.1831 1 5 2 6 41.70 7.94 2.1661 4 2 5 6 42.03 20.67 2.1497 4 0 10 3 42.26 1.95 2.1386 3 3 6 6 42.36 9.33 2.1335 3 1 11 6 42.37 2.99 2.1333 0 5 7 3 42.69 5.06 2.1179 0 1 14 3 42.70 8.46 2.1173 5 1 4 6 43.25 2.02 2.0918 1 4 9 6 43.69 1.52 2.0717 1 5 5 6 44.01 5.98 2.0573 3 2 10 6 44.23 2.09 2.0479 2 2 12 6 44.34 3.28 2.0429 2 4 7 6 44.99 3.07 2.0151 4 3 1 6 45.20 3.42 2.0061 0 6 3 3 45.30 1.12 2.0017 3 4 2 6 45.93 18.09 1.9758 4 2 8 6 46.25 2.73 1.9631 5 1 7 6 46.55 2.11 1.9511 1 2 14 6 46.56 2.40 1.9506 4 3 4 6 47.06 1.26 1.9309 1 1 15 6 47.07 6.90 1.9306 3 3 9 6 47.08 1.12 1.9304 2 5 3 6 47.48 4.16 1.9151 1 3 13 6 47.99 2.74 1.8957 0 6 6 3 47.99 7.73 1.8957 6 0 6 3 48.70 3.51 1.8698 1 6 1 6 48.98 1.18 1.8596 1 0 16 3 49.00 2.62 1.8591 6 1 2 6 49.59 4.18 1.8384 2 4 10 6 49.78 3.78 1.8316 1 4 12 6 49.78 5.00 1.8316 4 1 12 6 49.79 7.35 1.8314 2 5 6 6 49.79 2.39 1.8314 5 2 6 6 49.89 2.95 1.8280 4 3 7 6 50.66 2.18 1.8020 0 3 15 3 50.75 2.25 1.7988 0 2 16 3 51.05 1.07 1.7891 3 2 13 6 51.06 2.60 1.7888 6 1 5 6 51.34 5.21 1.7796 5 1 10 6 51.54 23.58 1.7732 4 4 0 6 51.63 6.82 1.7703 4 2 11 6 51.91 11.06 1.7614 0 4 14 3 52.21 4.78 1.7520 3 5 1 6 52.39 4.86 1.7465 2 2 15 6 52.40 1.18 1.7462 6 0 9 3 53.24 2.87 1.7205 3 3 12 6 53.61 4.08 1.7094 2 3 14 6 53.62 2.21 1.7091 7 0 4 3 53.89 1.23 1.7014 2 0 17 3 53.90 3.36 1.7009 6 2 1 6 54.18 5.99 1.6928 2 6 2 6 54.46 2.76 1.6849 0 7 5 3 54.90 1.35 1.6723 0 0 18 1 54.92 13.00 1.6718 4 4 6 6 55.82 2.65 1.6469 1 3 16 6 56.10 4.20 1.6395 2 4 13 6 56.11 7.27 1.6392 2 6 5 6 56.54 4.98 1.6276 1 1 18 6 56.64 1.12 1.6250 3 4 11 6 57.35 1.11 1.6065 4 1 15 6 57.37 3.57 1.6062 1 7 3 6 57.44 14.21 1.6043 4 0 16 3 57.98 5.97 1.5905 1 6 10 6 57.99 1.17 1.5905 0 7 8 3 58.25 6.04 1.5838 6 2 7 6 58.51 3.38 1.5775 4 2 14 6 59.03 6.84 1.5647 3 2 16 6 59.05 1.28 1.5644 4 5 2 6 59.74 1.02 1.5479 2 5 12 6 59.74 4.57 1.5479 5 2 12 6 59.75 3.02 1.5478 6 3 0 6 60.08 5.50 1.5399 1 5 14 6 60.09 4.28 1.5396 5 4 4 6 60.53 1.02 1.5297 3 6 3 6 60.61 3.54 1.5277 8 0 2 3 60.86 3.96 1.5220 4 3 13 6 61.29 1.21 1.5125 2 2 18 6 61.64 1.17 1.5046 0 8 4 3 62.14 2.54 1.4937 0 5 16 3 62.16 2.05 1.4934 7 2 2 6 62.66 2.21 1.4826 6 2 10 6 62.83 1.19 1.4790 6 3 6 6 62.91 1.47 1.4773 0 7 11 3 62.91 7.32 1.4773 5 3 11 6 62.92 1.58 1.4772 5 4 7 6 63.16 2.37 1.4720 3 4 14 6 63.17 2.07 1.4719 2 7 4 6 63.66 4.49 1.4617 2 4 16 6 63.93 1.05 1.4563 7 2 5 6 64.34 1.77 1.4479 4 4 12 6 64.91 1.80 1.4366 1 3 19 6 65.08 1.04 1.4332 0 6 15 3 65.08 2.19 1.4332 6 0 15 3 65.16 2.85 1.4317 1 2 20 6 65.67 3.60 1.4218 8 0 8 3 65.84 3.61 1.4185 5 5 0 6 65.92 1.02 1.4170 2 7 7 6 66.41 3.98 1.4076 4 6 1 6 66.57 3.15 1.4048 2 5 15 6 66.57 1.02 1.4046 6 3 9 6 66.66 2.13 1.4030 6 4 2 6 66.90 5.02 1.3985 1 8 5 6 67.88 2.00 1.3807 7 3 1 6 68.61 6.10 1.3679 0 8 10 3 68.77 7.97 1.3650 5 5 6 6 68.85 1.39 1.3636 8 1 7 6 69.48 4.01 1.3529 0 3 21 3 69.56 4.84 1.3515 0 4 20 3 70.05 1.44 1.3431 2 7 10 6 70.22 3.60 1.3404 8 2 0 6 70.30 4.11 1.3391 4 6 7 6 70.52 1.39 1.3355 0 2 22 3 70.53 1.51 1.3353 2 6 14 6 70.76 1.73 1.3315 0 5 19 3 70.92 2.14 1.3289 2 2 21 6 70.94 3.34 1.3286 8 2 3 6 73.06 2.86 1.2952 0 6 18 3 73.07 1.20 1.2950 2 8 6 6 73.86 2.12 1.2831 9 1 2 6 75.18 3.08 1.2637 4 7 3 6 75.25 1.24 1.2628 6 2 16 6 75.86 2.14 1.2542 0 0 24 1 76.58 1.48 1.2442 2 8 9 6 76.64 1.79 1.2433 1 5 20 6 77.27 1.31 1.2348 5 5 12 6 77.80 1.12 1.2277 2 6 17 6 78.64 2.11 1.2166 4 4 18 6 79.20 1.67 1.2095 9 2 1 6 79.42 1.93 1.2066 2 9 2 6 79.65 2.76 1.2037 0 10 5 3 80.03 1.01 1.1990 0 9 12 3 80.08 1.20 1.1983 1 0 25 3 81.25 1.89 1.1840 1 9 10 6 81.45 1.97 1.1816 0 2 25 3 82.07 1.26 1.1742 0 6 21 3 83.06 1.06 1.1628 5 1 22 6 83.29 1.16 1.1601 6 2 19 6 83.44 2.06 1.1585 2 5 21 6 85.10 1.71 1.1401 4 2 23 6 85.34 1.51 1.1374 10 0 10 3 85.48 1.21 1.1359 3 6 18 6 85.57 1.82 1.1350 8 3 11 6 86.70 2.26 1.1231 9 2 10 6 87.52 4.07 1.1146 8 2 15 6 87.52 2.26 1.1146 2 8 15 6 89.18 1.14 1.0981 3 8 13 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.