Kentbrooksite Rastsvetaeva R K, Khomyakov A P, Nekrasov Y V Crystallography Reports 44 (1999) 765-769 Crystal structure of a novel analog of eudialyte with R3 symmetry Locality: Alluaiv mountain, Lovozero massif, Kola Peninsula, Russia _database_code_amcsd 0012363 CELL PARAMETERS: 14.1820 14.1820 30.3700 90.000 90.000 120.000 SPACE GROUP: R3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 5289.936 Density (g/cm3): 3.009 MAX. ABS. INTENSITY / VOLUME**2: 7.299796376 RIR: 0.790 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.76 21.68 11.3861 1 0 1 3 8.73 2.18 10.1233 0 0 3 1 9.26 10.02 9.5494 0 1 2 3 12.48 50.73 7.0910 1 1 0 3 13.71 18.42 6.4581 1 0 4 3 14.72 26.88 6.0192 0 2 1 3 15.57 25.15 5.6931 2 0 2 3 16.28 8.78 5.4446 0 1 5 3 19.34 2.57 4.5889 2 1 1 3 20.00 1.98 4.4393 -1 3 2 3 20.57 56.58 4.3185 2 0 5 3 21.57 8.88 4.1198 1 1 6 3 21.57 9.30 4.1198 2 -1 6 3 21.71 8.85 4.0940 3 0 0 3 21.72 8.97 4.0908 1 0 7 3 22.45 10.19 3.9605 2 1 4 3 22.45 10.51 3.9605 3 -1 4 3 23.44 30.62 3.7954 3 0 3 3 24.13 5.25 3.6883 -1 3 5 3 24.13 4.58 3.6883 1 2 5 3 24.54 8.63 3.6269 0 1 8 3 25.12 14.64 3.5455 2 2 0 3 25.13 25.61 3.5435 0 2 7 3 26.33 11.81 3.3852 1 3 1 3 26.33 11.28 3.3852 -1 4 1 3 26.41 1.51 3.3744 0 0 9 1 26.64 5.45 3.3462 2 2 3 3 26.64 5.35 3.3462 4 -2 3 3 26.82 4.46 3.3238 3 1 2 3 26.82 3.85 3.3238 4 -1 2 3 27.62 20.02 3.2291 2 0 8 3 28.03 8.26 3.1831 0 3 6 3 28.03 3.30 3.1831 3 0 6 3 28.15 10.61 3.1697 2 1 7 3 28.15 10.25 3.1697 3 -1 7 3 29.23 1.05 3.0549 4 0 1 3 29.31 11.76 3.0470 2 -1 9 3 29.31 11.18 3.0470 1 1 9 3 29.68 7.35 3.0096 0 4 2 3 30.08 45.13 2.9711 3 1 5 3 30.08 44.69 2.9711 4 -1 5 3 30.42 5.47 2.9387 -1 3 8 3 30.42 5.40 2.9387 1 2 8 3 30.79 5.01 2.9040 2 2 6 3 30.79 3.87 2.9040 4 -2 6 3 31.43 100.00 2.8465 4 0 4 3 31.90 1.54 2.8056 5 -2 1 3 31.90 1.18 2.8056 3 2 1 3 32.31 1.85 2.7704 -2 5 2 3 32.31 2.11 2.7704 2 3 2 3 32.68 1.84 2.7403 0 4 5 3 32.90 12.06 2.7223 0 2 10 3 33.43 1.55 2.6801 1 4 0 3 33.43 1.27 2.6801 4 1 0 3 33.44 12.54 2.6793 1 3 7 3 33.44 13.50 2.6793 -1 4 7 3 33.94 7.71 2.6416 5 -2 4 3 33.94 8.49 2.6416 3 2 4 3 34.44 25.10 2.6039 0 3 9 3 34.44 1.64 2.6039 3 0 9 3 34.62 1.51 2.5909 1 4 3 3 34.62 1.40 2.5909 -1 5 3 3 34.62 3.31 2.5909 5 -1 3 3 34.62 1.19 2.5909 4 1 3 3 35.32 1.66 2.5414 2 1 10 3 35.32 2.14 2.5414 3 -1 10 3 35.40 1.05 2.5354 3 1 8 3 35.40 1.05 2.5354 4 -1 8 3 35.47 7.66 2.5308 0 0 12 1 36.71 8.73 2.4484 0 5 1 3 36.77 4.13 2.4443 2 2 9 3 36.77 4.10 2.4443 4 -2 9 3 37.07 1.08 2.4249 5 0 2 3 37.68 9.21 2.3873 0 4 8 3 37.99 2.43 2.3686 1 4 6 3 37.99 2.91 2.3686 -1 5 6 3 38.07 5.84 2.3637 3 3 0 3 38.91 7.74 2.3143 2 4 1 3 38.91 7.81 2.3143 -2 6 1 3 39.26 2.77 2.2950 1 0 13 3 39.84 1.98 2.2626 -2 5 8 3 39.84 1.99 2.2626 2 3 8 3 41.02 1.03 2.2001 5 1 1 3 41.02 1.02 2.2001 6 -1 1 3 41.36 3.29 2.1830 1 5 2 3 41.36 3.52 2.1830 -1 6 2 3 41.66 4.76 2.1682 6 -2 5 3 41.66 4.69 2.1682 4 2 5 3 41.84 23.04 2.1592 4 0 10 3 42.13 4.72 2.1449 3 1 11 3 42.13 4.19 2.1449 4 -1 11 3 42.20 1.23 2.1417 6 -3 6 3 42.28 1.65 2.1376 0 5 7 3 42.31 6.32 2.1362 0 1 14 3 42.68 2.92 2.1183 5 1 4 3 42.68 2.64 2.1183 6 -1 4 3 43.10 1.24 2.0987 5 -1 9 3 43.10 1.59 2.0987 1 4 9 3 43.10 1.37 2.0987 -1 5 9 3 43.65 1.11 2.0734 -1 6 5 3 43.83 2.54 2.0656 5 -2 10 3 43.83 2.70 2.0656 3 2 10 3 44.26 1.21 2.0466 2 4 7 3 44.26 1.21 2.0466 -2 6 7 3 45.00 1.80 2.0147 4 3 1 3 45.00 1.99 2.0147 7 -3 1 3 45.19 3.31 2.0064 0 6 3 3 45.82 4.78 1.9803 6 -2 8 3 45.82 4.36 1.9803 4 2 8 3 46.02 1.13 1.9720 -2 5 11 3 46.54 1.29 1.9513 4 3 4 3 46.54 1.30 1.9513 7 -3 4 3 46.93 2.61 1.9360 6 -3 9 3 46.93 2.47 1.9360 3 3 9 3 47.07 1.04 1.9306 2 5 3 3 47.17 1.51 1.9266 1 3 13 3 47.17 1.70 1.9266 -1 4 13 3 47.94 1.59 1.8977 0 6 6 3 47.94 3.88 1.8977 6 0 6 3 48.71 2.44 1.8694 -1 7 1 3 48.71 2.74 1.8694 1 6 1 3 49.00 1.09 1.8589 6 1 2 3 49.00 1.33 1.8589 7 -1 2 3 49.42 1.08 1.8442 -2 6 10 3 49.42 1.32 1.8442 2 4 10 3 49.54 1.48 1.8401 5 -1 12 3 49.54 1.60 1.8401 4 1 12 3 49.74 2.98 1.8332 2 5 6 3 49.74 2.76 1.8332 -2 7 6 3 49.74 1.15 1.8332 5 2 6 3 49.81 1.90 1.8306 4 3 7 3 49.81 1.63 1.8306 7 -3 7 3 50.17 1.09 1.8185 -1 7 4 3 50.17 1.19 1.8185 1 6 4 3 51.18 2.25 1.7848 5 1 10 3 51.18 1.86 1.7848 6 -1 10 3 51.43 4.98 1.7767 6 -2 11 3 51.43 4.60 1.7767 4 2 11 3 51.55 18.55 1.7728 4 4 0 3 51.59 9.08 1.7717 0 4 14 3 52.01 2.57 1.7582 4 -2 15 3 52.01 2.52 1.7582 2 2 15 3 52.22 2.59 1.7516 3 5 1 3 52.22 2.55 1.7516 -3 8 1 3 52.27 1.13 1.7502 6 0 9 3 53.01 1.11 1.7274 3 3 12 3 53.29 1.92 1.7189 -2 5 14 3 53.29 1.85 1.7189 2 3 14 3 53.41 1.12 1.7154 2 0 17 3 53.92 2.05 1.7005 8 -2 1 3 53.92 2.31 1.7005 6 2 1 3 54.19 3.36 1.6926 -2 8 2 3 54.19 2.89 1.6926 2 6 2 3 54.38 1.45 1.6872 0 0 18 1 54.43 1.74 1.6856 0 7 5 3 54.87 5.68 1.6731 4 4 6 3 54.87 5.58 1.6731 8 -4 6 3 55.84 2.72 1.6466 2 4 13 3 55.84 2.45 1.6466 -2 6 13 3 56.03 1.85 1.6414 1 1 18 3 56.03 1.84 1.6414 2 -1 18 3 56.08 4.18 1.6399 -2 8 5 3 56.08 4.20 1.6399 2 6 5 3 57.04 10.70 1.6145 4 0 16 3 57.37 1.66 1.6062 1 7 3 3 57.37 1.57 1.6062 -1 8 3 3 57.84 1.88 1.5942 -1 7 10 3 57.84 1.83 1.5942 1 6 10 3 58.19 2.90 1.5854 8 -2 7 3 58.19 2.70 1.5854 6 2 7 3 58.64 3.73 1.5742 5 -2 16 3 58.64 3.58 1.5742 3 2 16 3 59.53 1.28 1.5529 5 2 12 3 59.53 1.17 1.5529 7 -2 12 3 59.76 1.09 1.5474 3 6 0 3 59.76 1.09 1.5474 6 3 0 3 59.79 2.54 1.5467 -1 6 14 3 59.79 2.43 1.5467 1 5 14 3 60.62 1.50 1.5276 4 3 13 3 60.62 1.47 1.5276 7 -3 13 3 60.62 2.66 1.5275 8 0 2 3 61.64 1.04 1.5048 0 8 4 3 61.76 1.86 1.5020 0 5 16 3 62.52 1.05 1.4855 6 2 10 3 62.74 2.67 1.4808 8 -3 11 3 62.74 2.71 1.4808 5 3 11 3 62.74 1.31 1.4808 0 7 11 3 64.57 1.32 1.4432 1 2 20 3 64.57 1.36 1.4432 -1 3 20 3 64.76 1.54 1.4395 6 0 15 3 65.59 2.58 1.4233 8 0 8 3 65.86 2.15 1.4182 5 5 0 3 66.25 1.31 1.4107 2 5 15 3 66.25 1.29 1.4107 -2 7 15 3 66.43 1.04 1.4073 -4 10 1 3 66.43 1.05 1.4073 4 6 1 3 66.89 1.80 1.3989 1 8 5 3 66.89 1.92 1.3989 -1 9 5 3 68.48 5.02 1.3701 0 8 10 3 68.74 3.28 1.3656 5 5 6 3 68.74 3.39 1.3656 10 -5 6 3 68.85 4.16 1.3636 0 3 21 3 69.00 3.90 1.3611 0 4 20 3 70.24 1.13 1.3401 2 8 0 3 70.24 1.09 1.3401 8 2 0 3 70.25 1.06 1.3400 4 6 7 3 70.26 1.16 1.3397 0 5 19 3 70.94 1.46 1.3285 8 2 3 3 70.94 1.43 1.3285 10 -2 3 3 72.62 1.83 1.3020 0 6 18 3 75.07 1.51 1.2654 0 0 24 1 75.19 1.00 1.2636 4 7 3 3 75.19 1.01 1.2636 -4 11 3 3 79.64 1.58 1.2038 0 10 5 3 80.62 1.70 1.1917 0 2 25 3 87.24 1.36 1.1175 10 -2 15 3 87.24 1.38 1.1175 8 2 15 3 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.