Kentbrooksite Johnsen O, Grice J D The Canadian Mineralogist 37 (1999) 865-891 The crystal chemistry of the eudialyte group Locality: Locality: Burpala massif, Siberia, Russia Sample: #17 Note: additional sites with low but unreported occupancies excluded Note: X2d reported but missing z-coordinate _database_code_amcsd 0005623 CELL PARAMETERS: 14.2200 14.2200 30.1500 90.000 90.000 120.000 SPACE GROUP: R3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 5279.796 Density (g/cm3): 3.079 MAX. ABS. INTENSITY / VOLUME**2: 8.108039762 RIR: 0.858 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.75 14.19 11.4005 1 0 1 3 8.80 14.46 10.0500 0 0 3 1 9.27 15.20 9.5371 0 1 2 3 12.45 40.35 7.1100 1 1 0 6 13.77 18.47 6.4289 1 0 4 3 14.68 23.65 6.0329 0 2 1 3 15.55 29.97 5.7003 2 0 2 3 16.37 4.71 5.4156 0 1 5 3 17.65 1.43 5.0250 0 0 6 1 18.61 1.05 4.7686 0 2 4 3 19.30 2.32 4.6001 2 1 1 6 20.62 38.24 4.3082 2 0 5 3 21.65 4.77 4.1050 3 0 0 3 21.66 18.46 4.1036 1 1 6 6 21.86 4.58 4.0656 1 0 7 3 22.45 23.62 3.9603 2 1 4 6 23.41 16.56 3.8002 3 0 3 3 24.15 3.47 3.6846 1 2 5 6 24.70 7.35 3.6038 0 1 8 3 25.05 16.82 3.5550 2 2 0 6 25.23 29.32 3.5294 0 2 7 3 26.26 40.41 3.3938 1 3 1 6 26.60 4.25 3.3515 2 2 3 6 26.76 8.18 3.3311 3 1 2 6 27.75 41.33 3.2144 2 0 8 3 28.07 1.69 3.1790 0 3 6 3 28.07 7.29 3.1790 3 0 6 3 28.23 37.16 3.1613 2 1 7 6 28.69 2.17 3.1110 1 3 4 6 29.16 3.16 3.0628 4 0 1 3 29.47 24.21 3.0305 1 1 9 6 29.61 14.86 3.0165 0 4 2 3 30.07 100.00 2.9719 3 1 5 6 30.52 5.98 2.9290 1 2 8 6 30.81 11.97 2.9022 2 2 6 6 31.39 97.24 2.8501 4 0 4 3 32.24 3.63 2.7769 2 3 2 6 32.66 3.55 2.7420 0 4 5 3 33.08 12.95 2.7078 0 2 10 3 33.34 7.74 2.6873 4 1 0 6 33.48 11.92 2.6762 1 3 7 6 33.49 1.45 2.6754 0 1 11 3 33.88 13.01 2.6455 3 2 4 6 34.55 2.10 2.5961 1 4 3 6 34.56 27.60 2.5954 0 3 9 3 34.56 3.53 2.5954 3 0 9 3 35.47 7.40 2.5308 3 1 8 6 35.47 8.10 2.5305 2 1 10 6 35.74 5.31 2.5125 0 0 12 1 36.61 9.07 2.4548 0 5 1 3 36.87 2.77 2.4381 2 2 9 6 37.73 8.85 2.3843 0 4 8 3 37.97 4.63 2.3700 3 3 0 6 37.97 4.30 2.3697 1 4 6 6 38.09 1.77 2.3624 3 2 7 6 38.10 2.14 2.3618 1 2 11 6 38.81 10.71 2.3204 2 4 1 6 39.05 2.50 2.3067 3 3 3 6 39.52 1.54 2.2801 5 0 5 3 39.54 1.58 2.2792 1 0 13 3 39.88 3.62 2.2606 2 3 8 6 39.88 1.26 2.2603 1 3 10 6 40.91 4.75 2.2059 5 1 1 6 41.25 9.81 2.1884 1 5 2 6 41.60 6.08 2.1712 4 2 5 6 41.94 16.30 2.1541 4 0 10 3 42.16 3.42 2.1435 3 3 6 6 42.27 2.77 2.1381 0 5 7 3 42.28 8.83 2.1377 3 1 11 6 42.60 9.82 2.1223 5 1 4 6 42.62 5.45 2.1214 0 1 14 3 43.16 2.48 2.0962 1 4 9 6 43.59 1.66 2.0765 1 5 5 6 43.92 5.94 2.0616 3 2 10 6 44.14 1.90 2.0518 2 2 12 6 44.24 4.30 2.0475 2 4 7 6 44.87 3.74 2.0200 4 3 1 6 45.08 3.60 2.0110 0 6 3 3 45.19 2.41 2.0065 3 4 2 6 45.82 15.36 1.9802 4 2 8 6 46.14 2.27 1.9676 5 1 7 6 46.44 3.27 1.9553 4 3 4 6 46.46 1.52 1.9545 1 2 14 6 46.96 1.04 1.9351 2 5 3 6 46.96 8.32 1.9348 3 3 9 6 47.38 5.54 1.9187 1 3 13 6 47.87 8.47 1.9001 6 0 6 3 47.87 1.46 1.9001 0 6 6 3 48.57 2.15 1.8744 1 6 1 6 48.87 1.62 1.8636 6 1 2 6 48.90 1.31 1.8627 1 0 16 3 49.47 4.23 1.8423 2 4 10 6 49.66 8.19 1.8357 2 5 6 6 49.66 2.00 1.8357 5 2 6 6 49.68 3.75 1.8353 1 4 12 6 49.68 3.39 1.8353 4 1 12 6 49.76 4.49 1.8322 4 3 7 6 50.05 1.04 1.8223 1 6 4 6 50.56 1.78 1.8052 0 3 15 3 50.66 1.40 1.8019 0 2 16 3 50.93 2.00 1.7931 6 1 5 6 50.94 1.44 1.7926 3 2 13 6 51.22 6.18 1.7834 5 1 10 6 51.41 25.19 1.7775 4 4 0 6 51.51 4.53 1.7740 4 2 11 6 51.81 10.71 1.7647 0 4 14 3 52.07 3.45 1.7563 3 5 1 6 52.28 4.14 1.7497 2 2 15 6 53.12 3.65 1.7240 3 3 12 6 53.49 2.57 1.7132 7 0 4 3 53.50 3.87 1.7127 2 3 14 6 53.76 2.39 1.7050 6 2 1 6 53.79 1.68 1.7042 2 0 17 3 54.04 4.78 1.6969 2 6 2 6 54.32 4.40 1.6889 0 7 5 3 54.78 13.42 1.6757 4 4 6 6 54.81 2.16 1.6750 0 0 18 1 55.71 2.52 1.6499 1 3 16 6 55.96 4.63 1.6431 2 6 5 6 55.97 3.48 1.6428 2 4 13 6 56.44 3.18 1.6304 1 1 18 6 56.51 1.64 1.6285 3 4 11 6 57.22 2.11 1.6101 1 7 3 6 57.23 1.27 1.6096 4 1 15 6 57.33 15.54 1.6072 4 0 16 3 57.84 1.45 1.5941 0 7 8 3 57.84 6.28 1.5941 1 6 10 6 58.10 4.85 1.5875 6 2 7 6 58.38 3.31 1.5807 4 2 14 6 58.89 1.04 1.5682 4 5 2 6 58.91 6.81 1.5677 3 2 16 6 59.59 3.39 1.5515 6 3 0 6 59.60 4.45 1.5512 5 2 12 6 59.94 3.71 1.5434 5 4 4 6 59.95 5.50 1.5430 1 5 14 6 60.19 1.20 1.5374 0 8 1 3 60.45 4.50 1.5314 8 0 2 3 60.72 3.20 1.5252 4 3 13 6 61.48 1.66 1.5082 0 8 4 3 61.99 1.74 1.4971 7 2 2 6 62.01 2.01 1.4966 0 5 16 3 62.50 1.81 1.4859 6 2 10 6 62.67 1.49 1.4825 6 3 6 6 62.75 1.43 1.4807 5 4 7 6 62.76 6.11 1.4805 5 3 11 6 62.76 1.72 1.4805 0 7 11 3 63.00 2.23 1.4754 2 7 4 6 63.02 2.77 1.4751 3 4 14 6 63.53 2.88 1.4645 2 4 16 6 63.76 1.08 1.4598 7 2 5 6 64.18 2.22 1.4511 4 4 12 6 64.78 1.36 1.4391 1 3 19 6 64.94 2.50 1.4361 6 0 15 3 65.03 1.79 1.4342 1 2 20 6 65.50 3.59 1.4251 8 0 8 3 65.66 2.43 1.4220 5 5 0 6 66.23 3.60 1.4111 4 6 1 6 66.41 2.71 1.4076 2 5 15 6 66.48 2.28 1.4065 6 4 2 6 66.72 4.38 1.4019 1 8 5 6 66.74 1.25 1.4016 7 0 13 3 67.70 1.88 1.3841 7 3 1 6 67.97 1.18 1.3791 3 1 20 6 68.43 5.86 1.3710 0 8 10 3 68.59 8.36 1.3683 5 5 6 6 69.34 3.82 1.3552 0 3 21 3 69.42 5.83 1.3539 0 4 20 3 69.87 1.28 1.3462 2 7 10 6 70.02 3.43 1.3437 8 2 0 6 70.11 3.64 1.3423 4 6 7 6 70.36 1.32 1.3381 2 6 14 6 70.60 1.12 1.3340 3 4 17 6 70.61 1.53 1.3340 0 5 19 3 70.74 2.89 1.3318 8 2 3 6 70.77 2.11 1.3312 2 2 21 6 71.30 1.42 1.3227 6 4 8 6 72.87 1.25 1.2981 2 8 6 6 72.89 2.10 1.2977 0 6 18 3 73.65 2.69 1.2862 9 1 2 6 74.12 1.13 1.2792 4 6 10 6 74.97 3.36 1.2668 4 7 3 6 75.07 1.35 1.2654 6 2 16 6 75.71 1.88 1.2563 0 0 24 1 76.47 2.02 1.2457 1 5 20 6 78.46 2.83 1.2190 4 4 18 6 78.96 1.51 1.2124 9 2 1 6 79.19 1.52 1.2095 2 9 2 6 79.42 2.37 1.2066 0 10 5 3 79.93 1.59 1.2003 1 0 25 3 81.02 2.02 1.1867 1 9 10 6 81.29 1.67 1.1835 0 2 25 3 81.88 1.30 1.1765 0 6 21 3 82.87 1.30 1.1650 5 1 22 6 83.08 1.05 1.1625 6 2 19 6 83.24 1.62 1.1607 2 5 21 6 84.90 1.58 1.1422 4 2 23 6 85.10 1.56 1.1401 10 0 10 3 85.26 1.20 1.1382 3 6 18 6 85.32 1.60 1.1376 8 3 11 6 86.45 1.89 1.1257 9 2 10 6 87.28 2.08 1.1171 2 8 15 6 87.28 2.95 1.1171 8 2 15 6 88.92 1.38 1.1006 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.