Gerenite-(Y) Groat L A The Canadian Mineralogist 36 (1998) 801-808 The crystal structure of gerenite-(Y), (Ca,Na)2(Y,REE)3Si6O18.2H2O, a cyclosilicate mineral _database_code_amcsd 0005545 CELL PARAMETERS: 9.2570 9.6840 5.5200 97.360 100.520 116.570 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 422.577 Density (g/cm3): 3.315 MAX. ABS. INTENSITY / VOLUME**2: 9.800301348 RIR: 0.963 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.52 53.76 8.4112 0 1 0 2 11.01 23.07 8.0388 -1 1 0 2 11.10 38.98 7.9709 1 0 0 2 16.82 12.36 5.2705 0 0 1 2 17.48 15.90 5.0725 -1 0 1 2 17.60 12.78 5.0397 0 -1 1 2 18.67 4.67 4.7526 1 1 0 2 19.51 26.49 4.5505 -2 1 0 2 19.72 25.84 4.5010 -1 1 1 2 21.12 2.42 4.2056 0 2 0 2 21.14 14.37 4.2020 -1 -1 1 2 21.93 32.76 4.0524 0 1 1 2 22.12 2.16 4.0194 -2 2 0 2 22.31 21.10 3.9854 2 0 0 2 23.42 10.65 3.7985 -2 1 1 2 23.68 43.59 3.7575 1 -2 1 2 23.71 23.99 3.7526 0 -2 1 2 24.08 21.51 3.6959 -2 0 1 2 26.46 47.18 3.3686 -1 2 1 2 27.29 24.04 3.2673 -2 2 1 2 28.12 4.54 3.1737 2 -1 1 2 28.37 2.57 3.1454 1 2 0 2 28.52 1.25 3.1293 2 -2 1 2 28.60 14.49 3.1208 -1 -2 1 2 28.76 3.76 3.1043 -2 3 0 2 28.78 4.92 3.1022 1 1 1 2 28.99 31.54 3.0805 -2 -1 1 2 29.87 13.01 2.9908 -3 2 0 2 29.98 99.95 2.9802 -3 1 0 2 30.18 100.00 2.9609 0 2 1 2 30.49 94.76 2.9318 1 -3 1 2 31.07 4.09 2.8780 -3 1 1 2 31.60 4.33 2.8318 2 0 1 2 31.92 2.63 2.8037 0 3 0 2 32.37 13.01 2.7661 -3 2 1 2 32.39 4.73 2.7637 0 -3 1 2 33.11 24.93 2.7056 0 -1 2 2 33.41 1.99 2.6819 -3 0 1 2 33.44 1.87 2.6796 -3 3 0 2 34.02 9.78 2.6353 0 0 2 2 34.30 1.82 2.6144 -2 3 1 2 35.36 1.41 2.5387 -1 3 1 2 35.39 33.91 2.5363 -2 0 2 2 36.35 15.14 2.4716 1 -1 2 2 36.49 5.96 2.4626 3 -2 1 2 36.59 17.05 2.4557 -2 -2 1 2 36.95 13.96 2.4330 -3 3 1 2 37.09 7.18 2.4241 1 -2 2 2 37.51 4.12 2.3979 -2 4 0 2 37.79 7.09 2.3806 3 -1 1 2 37.85 1.47 2.3770 -1 -3 1 2 37.86 4.14 2.3763 2 2 0 2 38.01 1.02 2.3676 2 1 1 2 38.14 1.22 2.3593 0 1 2 2 38.78 6.36 2.3219 1 0 2 2 38.80 5.92 2.3212 -3 -1 1 2 38.85 6.70 2.3178 1 3 0 2 39.61 2.20 2.2752 -4 2 0 2 39.81 3.67 2.2645 -3 4 0 2 39.86 6.38 2.2617 0 3 1 2 40.07 4.68 2.2505 -2 2 2 2 40.25 5.38 2.2406 -4 2 1 2 40.72 18.97 2.2160 -4 1 1 2 40.83 18.86 2.2098 -1 2 2 2 40.85 1.65 2.2090 1 -3 2 2 41.03 26.31 2.1999 0 -3 2 2 41.21 4.46 2.1907 -4 1 0 2 41.21 1.40 2.1905 -3 0 2 2 42.31 1.72 2.1364 0 -4 1 2 42.70 7.40 2.1174 -4 3 1 2 43.01 1.23 2.1028 0 4 0 2 43.05 1.81 2.1010 -2 -2 2 2 43.86 1.01 2.0642 2 -3 2 2 43.93 1.18 2.0609 -3 4 1 2 43.94 3.00 2.0605 1 1 2 2 44.02 5.13 2.0570 -4 0 1 2 44.36 6.24 2.0420 -1 -3 2 2 45.52 2.22 1.9927 4 0 0 2 46.37 1.79 1.9580 -2 3 2 2 46.43 3.19 1.9557 4 -3 1 2 47.04 2.96 1.9319 1 -4 2 2 47.44 3.83 1.9163 -2 5 0 2 47.84 1.51 1.9015 2 3 0 2 48.06 1.20 1.8931 -3 5 0 2 48.38 7.33 1.8812 -1 3 2 2 48.45 1.11 1.8787 2 -4 2 2 48.52 2.36 1.8763 0 -4 2 2 48.55 26.34 1.8752 3 1 1 2 49.06 3.88 1.8570 3 -2 2 2 49.24 26.27 1.8505 4 -4 1 2 49.25 1.23 1.8500 1 -5 1 2 49.31 1.40 1.8480 -4 0 2 2 49.70 28.06 1.8346 -1 5 0 2 49.72 1.19 1.8338 -1 -1 3 2 49.88 2.69 1.8282 -5 2 1 2 49.91 3.78 1.8273 1 4 0 2 50.35 1.10 1.8122 -2 -3 2 2 50.37 1.18 1.8116 -5 3 0 2 50.47 7.41 1.8082 0 -1 3 2 50.49 1.04 1.8077 -5 2 0 2 50.69 7.82 1.8010 -3 -2 2 2 50.72 1.71 1.8001 -5 3 1 2 51.00 6.15 1.7908 -4 3 2 2 51.47 1.78 1.7755 -4 5 0 2 51.54 7.94 1.7733 -5 1 1 2 51.87 3.46 1.7626 -1 -2 3 2 51.96 5.90 1.7598 2 1 2 2 52.02 5.23 1.7580 4 1 0 2 52.06 4.74 1.7568 0 0 3 2 52.59 5.67 1.7404 3 -4 2 2 52.59 1.24 1.7402 -3 5 1 2 52.71 3.68 1.7365 -1 -4 2 2 52.71 3.72 1.7364 -5 4 0 2 53.05 4.57 1.7263 0 -5 1 2 53.05 2.61 1.7261 -5 1 0 2 53.07 3.45 1.7257 0 3 2 2 53.12 2.93 1.7242 -2 5 1 2 53.37 1.90 1.7167 4 0 1 2 53.55 2.79 1.7112 1 -2 3 2 54.34 2.28 1.6882 4 -5 1 2 54.52 3.40 1.6831 -3 1 3 2 55.04 2.75 1.6684 1 -5 2 2 55.12 6.18 1.6662 2 -5 2 2 55.46 1.48 1.6567 -5 2 2 2 55.53 1.60 1.6550 -5 0 1 2 55.96 5.07 1.6431 0 1 3 2 56.13 8.98 1.6387 -5 1 2 2 56.19 8.12 1.6369 -2 2 3 2 56.31 10.40 1.6337 -1 -3 3 2 56.31 7.31 1.6337 -4 4 2 2 56.81 1.29 1.6206 3 2 1 2 57.11 4.57 1.6127 -3 2 3 2 57.12 5.40 1.6126 -5 3 2 2 57.14 3.76 1.6119 5 -2 1 2 57.45 7.87 1.6041 -1 4 2 2 57.45 3.09 1.6040 4 -3 2 2 57.67 2.51 1.5984 1 4 1 2 57.83 1.39 1.5943 -1 2 3 2 58.13 6.77 1.5869 4 -2 2 2 58.24 3.36 1.5842 3 3 0 2 58.41 1.85 1.5799 -3 -3 2 2 58.47 2.63 1.5785 3 -6 1 2 58.71 9.00 1.5727 2 4 0 2 59.01 1.95 1.5653 2 -3 3 2 59.04 2.71 1.5646 4 -4 2 2 59.56 6.21 1.5521 -4 6 0 2 59.77 1.30 1.5472 1 -4 3 2 60.05 2.42 1.5406 -4 0 3 2 60.07 4.96 1.5403 -4 -2 2 2 60.23 2.57 1.5365 4 2 0 2 60.46 1.68 1.5313 -2 -3 3 2 60.97 1.27 1.5197 -5 4 2 2 61.03 3.18 1.5182 4 -1 2 2 61.09 2.81 1.5168 -6 3 0 2 61.45 3.20 1.5090 1 1 3 2 61.55 3.78 1.5067 -5 -1 1 2 61.65 1.23 1.5046 3 1 2 2 61.97 4.18 1.4974 2 -4 3 2 62.20 3.45 1.4924 -6 4 1 2 62.31 1.96 1.4901 -6 2 0 2 62.42 3.70 1.4879 -1 -5 2 2 62.54 3.88 1.4851 -3 5 2 2 62.76 2.38 1.4805 0 4 2 2 62.79 2.19 1.4799 4 -5 2 2 63.11 4.38 1.4732 -4 -1 3 2 63.46 2.63 1.4659 2 -6 2 2 63.49 1.81 1.4652 -4 5 2 2 63.84 3.90 1.4581 -5 6 0 2 64.10 2.51 1.4527 -2 6 1 2 64.54 1.53 1.4439 5 1 0 2 64.59 2.77 1.4430 0 -6 1 2 65.10 4.51 1.4328 3 -2 3 2 65.17 1.77 1.4315 -6 5 0 2 65.69 4.06 1.4214 -3 -4 1 2 66.55 2.38 1.4050 -5 6 1 2 67.22 1.19 1.3927 6 -3 1 2 67.97 5.20 1.3792 -1 -1 4 2 68.16 1.20 1.3759 -4 -3 2 2 68.17 5.24 1.3756 -4 -2 3 2 68.37 1.17 1.3721 3 -7 1 2 68.46 2.94 1.3705 -5 3 3 2 68.70 1.03 1.3663 5 -2 2 2 68.71 5.29 1.3661 -2 -1 4 2 68.77 1.75 1.3651 2 3 2 2 69.03 1.57 1.3605 -1 0 4 2 69.17 1.44 1.3582 6 -2 1 2 69.29 2.43 1.3561 1 5 1 2 69.87 1.46 1.3462 4 3 0 2 69.99 2.25 1.3442 4 -7 1 2 70.19 1.03 1.3410 -6 0 2 2 71.15 1.74 1.3251 -1 -6 1 2 71.93 1.14 1.3126 -6 6 1 2 72.01 2.48 1.3114 3 0 3 2 72.25 2.13 1.3076 1 -2 4 2 72.47 1.14 1.3042 4 -3 3 2 72.74 1.24 1.3001 -5 4 3 2 72.88 1.84 1.2980 -7 2 1 2 73.25 1.53 1.2923 -1 4 3 2 73.41 1.03 1.2898 -4 7 1 2 73.84 2.02 1.2834 1 -6 3 2 73.84 1.37 1.2834 4 -2 3 2 74.85 1.98 1.2686 -4 1 4 2 74.88 4.40 1.2681 -4 0 4 2 75.01 1.65 1.2662 -6 3 3 2 75.39 1.72 1.2608 -5 7 1 2 76.12 1.47 1.2504 -2 7 1 2 76.84 1.49 1.2405 -4 -4 1 2 77.18 2.49 1.2360 -3 -5 1 2 77.19 2.12 1.2358 2 -2 4 2 77.78 2.13 1.2279 -4 -4 2 2 77.99 2.47 1.2251 5 0 2 2 78.36 2.15 1.2202 4 3 1 2 78.65 1.23 1.2165 -6 6 2 2 78.87 1.80 1.2137 6 -5 2 2 78.94 1.05 1.2128 6 0 1 2 79.24 1.02 1.2089 3 3 2 2 79.54 1.25 1.2051 -6 7 1 2 79.80 1.65 1.2018 6 -7 1 2 79.82 1.50 1.2016 0 7 0 2 79.84 1.10 1.2013 7 -5 1 2 80.62 1.28 1.1917 5 -7 2 2 80.74 1.11 1.1901 -1 7 1 2 81.16 1.77 1.1851 -5 0 4 2 81.30 1.43 1.1834 0 -5 4 2 81.61 1.39 1.1796 0 2 4 2 82.34 1.70 1.1711 2 -7 3 2 83.26 1.00 1.1605 5 -5 3 2 83.35 3.04 1.1594 -1 5 3 2 84.24 1.03 1.1494 -1 -7 1 2 85.17 1.15 1.1392 -7 1 3 2 85.22 1.84 1.1387 7 0 0 2 85.46 1.88 1.1362 2 3 3 2 85.71 1.94 1.1335 -4 6 3 2 86.42 2.91 1.1260 -3 4 4 2 86.50 1.15 1.1252 -3 -4 4 2 86.76 2.11 1.1224 4 -7 3 2 86.99 1.11 1.1200 -2 7 2 2 88.99 2.21 1.0999 0 -6 4 2 89.12 1.64 1.0987 -7 -1 2 2 89.39 2.18 1.0961 0 3 4 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.