Eakerite Kossiakoff A A, Leavens P B American Mineralogist 61 (1976) 956-962 The crystal structure of eakerite, a calcium-tin silicate Note: z-coordinate of Si2 altered _database_code_amcsd 0000529 CELL PARAMETERS: 15.8920 7.7210 7.4380 90.000 101.340 90.000 SPACE GROUP: P2_1/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 894.841 Density (g/cm3): 2.901 MAX. ABS. INTENSITY / VOLUME**2: 7.443317676 RIR: 0.836 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.36 30.83 7.7909 2 0 0 2 12.14 53.76 7.2928 0 0 1 2 12.80 59.11 6.9182 1 1 0 4 14.92 49.73 5.9385 -2 0 1 2 16.16 6.78 5.4841 2 1 0 4 16.72 10.56 5.3017 0 1 1 4 16.88 72.45 5.2533 -1 1 1 4 18.22 10.59 4.8680 2 0 1 2 18.43 100.00 4.8137 1 1 1 4 18.85 4.66 4.7072 -2 1 1 4 20.61 4.02 4.3096 3 1 0 4 21.58 11.24 4.1179 2 1 1 4 22.18 55.73 4.0076 -3 1 1 4 22.83 76.48 3.8954 4 0 0 2 23.68 1.43 3.7566 -4 0 1 2 23.74 12.20 3.7472 1 2 0 4 24.41 2.96 3.6464 0 0 2 2 24.84 4.58 3.5842 -2 0 2 2 25.61 8.50 3.4779 4 1 0 4 25.67 15.05 3.4705 3 1 1 4 25.75 2.78 3.4591 2 2 0 4 26.12 20.87 3.4119 0 2 1 4 26.22 35.03 3.3989 -1 2 1 4 26.38 11.21 3.3780 -4 1 1 4 26.62 55.07 3.3486 -1 1 2 4 27.04 12.43 3.2972 0 1 2 4 27.56 45.70 3.2367 -2 2 1 4 28.01 7.10 3.1855 4 0 1 2 28.65 24.05 3.1155 1 1 2 4 28.81 5.17 3.0984 3 2 0 4 29.01 12.15 3.0783 2 0 2 2 29.39 12.07 3.0388 -3 1 2 4 29.53 72.75 3.0248 2 2 1 4 29.98 3.93 2.9803 -3 2 1 4 30.10 5.33 2.9693 -4 0 2 2 30.35 11.07 2.9447 4 1 1 4 30.94 3.22 2.8898 5 1 0 4 31.28 4.74 2.8595 2 1 2 4 32.30 23.92 2.7714 -4 1 2 4 32.66 6.45 2.7421 4 2 0 4 33.28 2.79 2.6923 -4 2 1 4 33.47 6.27 2.6773 -1 2 2 4 33.81 2.12 2.6509 0 2 2 4 34.13 25.00 2.6267 -2 2 2 4 34.30 8.82 2.6143 -6 0 1 2 34.54 15.61 2.5970 6 0 0 2 34.72 9.75 2.5836 3 1 2 4 35.14 10.59 2.5536 1 2 2 4 35.35 4.19 2.5393 1 3 0 4 35.44 37.26 2.5331 5 1 1 4 35.76 2.09 2.5109 -3 2 2 4 35.96 19.59 2.4973 -5 1 2 4 36.28 1.15 2.4762 -6 1 1 4 36.50 6.70 2.4615 6 1 0 4 36.98 7.70 2.4309 0 0 3 2 37.04 1.85 2.4270 0 3 1 4 37.12 5.64 2.4223 -1 3 1 4 37.36 9.68 2.4068 2 2 2 4 38.15 11.24 2.3588 -1 1 3 4 38.24 26.87 2.3536 -4 2 2 4 38.37 2.20 2.3459 -2 1 3 4 38.40 6.43 2.3443 -6 0 2 2 38.79 7.53 2.3214 4 1 2 4 38.84 1.61 2.3187 0 1 3 4 39.04 13.69 2.3073 6 0 1 2 39.06 24.59 2.3061 3 3 0 4 39.66 14.03 2.2728 -4 0 3 2 39.96 17.48 2.2561 -3 3 1 4 40.35 1.16 2.2353 3 2 2 4 40.98 3.88 2.2023 5 2 1 4 41.01 2.94 2.2008 2 0 3 2 41.41 3.37 2.1803 -4 1 3 4 41.45 3.46 2.1787 -5 2 2 4 41.70 4.99 2.1659 -7 1 1 4 41.73 4.88 2.1647 -6 2 1 4 41.93 2.12 2.1548 6 2 0 4 42.25 3.24 2.1389 7 1 0 4 42.74 17.86 2.1158 -1 3 2 4 43.28 1.19 2.0905 -2 3 2 4 43.35 15.07 2.0871 5 1 2 4 43.60 10.24 2.0760 -2 2 3 4 44.09 7.78 2.0539 -5 1 3 4 44.60 1.14 2.0318 -3 2 3 4 44.62 7.27 2.0308 -3 3 2 4 45.30 2.58 2.0019 4 3 1 4 45.42 1.29 1.9967 1 2 3 4 45.82 6.00 1.9805 6 2 1 4 45.84 2.25 1.9795 -6 0 3 2 45.96 2.99 1.9745 2 3 2 4 46.36 4.54 1.9586 -4 2 3 4 46.45 1.13 1.9551 7 1 1 4 46.62 1.06 1.9481 -7 2 1 4 46.76 2.93 1.9425 6 0 2 2 47.08 6.67 1.9303 0 4 0 2 47.41 1.53 1.9175 -6 1 3 4 47.46 3.58 1.9156 1 4 0 4 47.56 4.51 1.9119 2 2 3 4 47.84 3.68 1.9012 4 0 3 2 48.31 7.28 1.8838 6 1 2 4 48.52 4.07 1.8764 3 3 2 4 48.59 4.35 1.8736 2 4 0 4 48.86 3.35 1.8639 -1 4 1 4 49.02 1.95 1.8581 -2 0 4 2 49.47 1.25 1.8426 -5 3 2 4 49.57 4.39 1.8390 -7 2 2 4 49.97 4.21 1.8251 -8 1 2 4 50.03 4.08 1.8232 0 0 4 2 50.44 6.58 1.8093 3 4 0 4 50.52 1.44 1.8066 -2 1 4 4 50.89 3.64 1.7943 2 4 1 4 50.96 1.19 1.7921 -4 0 4 2 51.11 2.41 1.7870 -3 1 4 4 51.18 4.95 1.7848 -1 3 3 4 51.29 2.46 1.7813 -7 1 3 4 51.87 1.27 1.7628 -8 2 1 4 52.24 9.83 1.7511 -3 3 3 4 52.30 1.22 1.7491 8 1 1 4 52.63 8.39 1.7389 8 2 0 4 52.75 6.55 1.7352 6 2 2 4 52.94 8.92 1.7296 4 4 0 4 52.97 3.62 1.7285 1 3 3 4 53.05 2.13 1.7263 1 1 4 4 53.26 2.98 1.7199 -9 1 1 4 53.50 1.11 1.7128 5 1 3 4 53.62 1.85 1.7093 7 1 2 4 53.73 4.74 1.7060 0 4 2 4 53.74 3.39 1.7056 4 2 3 4 53.95 2.36 1.6995 -2 4 2 4 54.05 11.83 1.6967 -7 3 1 4 54.30 1.24 1.6894 9 1 0 4 54.31 7.06 1.6890 -8 2 2 4 54.38 1.25 1.6870 -5 1 4 4 54.50 5.45 1.6836 7 3 0 4 54.83 9.70 1.6743 -2 2 4 4 55.25 1.58 1.6626 2 1 4 4 55.38 6.42 1.6591 -9 1 2 4 55.39 3.12 1.6587 -3 2 4 4 55.42 2.97 1.6580 5 3 2 4 55.56 1.03 1.6542 -7 2 3 4 55.61 4.55 1.6528 -6 0 4 2 56.25 1.10 1.6353 2 4 2 4 56.52 2.97 1.6282 8 2 1 4 56.62 1.34 1.6255 -4 2 4 4 56.71 6.04 1.6232 -7 3 2 4 56.73 4.70 1.6227 6 0 3 2 56.98 6.45 1.6162 -6 1 4 4 57.43 4.07 1.6046 -9 2 1 4 57.43 17.23 1.6046 3 3 3 4 58.03 1.49 1.5895 7 3 1 4 58.05 5.00 1.5890 -10 0 1 2 58.09 3.24 1.5880 6 1 3 4 58.39 4.65 1.5805 9 1 1 4 58.42 1.71 1.5797 9 2 0 4 59.31 1.88 1.5582 10 0 0 2 59.32 5.75 1.5578 2 2 4 4 59.53 4.46 1.5528 -6 4 1 4 59.70 3.78 1.5488 -8 2 3 4 59.78 3.28 1.5470 -10 0 2 2 60.11 2.50 1.5392 4 0 4 2 60.15 2.12 1.5384 -7 1 4 4 60.98 2.43 1.5194 -6 2 4 4 60.99 4.04 1.5191 -2 4 3 4 61.08 1.28 1.5172 -8 3 2 4 61.09 2.48 1.5168 -10 1 2 4 61.33 1.05 1.5117 0 4 3 4 61.42 3.39 1.5096 -1 5 1 4 61.78 1.25 1.5015 -3 4 3 4 61.95 4.19 1.4978 1 5 1 4 62.08 4.87 1.4951 -3 3 4 4 62.23 2.22 1.4918 -7 3 3 4 62.76 3.04 1.4805 6 4 1 4 63.09 3.02 1.4736 7 1 3 4 63.15 1.74 1.4724 8 2 2 4 63.17 2.45 1.4719 2 5 1 4 63.20 6.08 1.4712 -4 4 3 4 63.29 4.36 1.4694 -10 2 1 4 63.42 2.03 1.4667 -3 5 1 4 63.45 1.19 1.4660 10 0 1 2 63.79 7.89 1.4590 1 3 4 4 63.98 2.38 1.4552 -9 3 1 4 64.09 2.08 1.4530 -1 1 5 4 64.19 1.57 1.4508 5 3 3 4 64.30 1.39 1.4487 7 3 2 4 64.36 1.31 1.4475 -10 0 3 2 64.72 1.16 1.4403 10 1 1 4 64.83 2.26 1.4381 -4 1 5 4 64.91 1.67 1.4365 9 3 0 4 64.99 1.02 1.4350 3 5 1 4 65.16 3.37 1.4316 9 1 2 4 65.26 4.39 1.4297 4 2 4 4 65.30 5.36 1.4289 5 1 4 4 65.45 6.38 1.4260 -1 5 2 4 66.31 6.95 1.4096 -5 1 5 4 66.48 1.42 1.4063 1 5 2 4 66.68 2.41 1.4027 1 1 5 4 67.14 1.56 1.3941 -6 0 5 2 67.19 1.60 1.3933 11 1 0 4 67.24 1.73 1.3923 8 0 3 2 67.48 2.87 1.3881 -2 2 5 4 67.61 1.92 1.3857 -8 2 4 4 67.84 1.35 1.3815 -1 2 5 4 68.43 3.65 1.3710 8 4 0 4 69.38 2.82 1.3545 4 4 3 4 70.35 5.93 1.3382 5 5 1 4 70.68 4.24 1.3328 -5 5 2 4 71.20 4.13 1.3243 -11 1 3 4 71.21 1.07 1.3241 -12 0 1 2 71.60 2.74 1.3178 3 1 5 4 71.69 1.57 1.3165 -9 2 4 4 71.80 3.81 1.3148 8 4 1 4 71.89 1.12 1.3133 -4 4 4 4 72.02 1.16 1.3112 -6 2 5 4 72.42 1.75 1.3050 -12 1 1 4 72.49 2.30 1.3039 4 5 2 4 72.49 4.04 1.3038 2 2 5 4 72.60 4.10 1.3023 -9 4 1 4 72.95 2.58 1.2967 7 3 3 4 73.61 3.78 1.2868 0 6 0 2 74.28 1.88 1.2768 2 4 4 4 74.59 1.30 1.2723 -4 3 5 4 74.60 1.25 1.2722 -7 2 5 4 74.62 3.54 1.2719 -8 4 3 4 74.78 1.44 1.2695 -11 2 3 4 74.89 1.42 1.2680 4 1 5 4 74.94 1.93 1.2673 0 6 1 4 75.46 1.53 1.2598 -11 3 1 4 75.47 1.51 1.2596 1 6 1 4 75.61 5.60 1.2577 5 5 2 4 75.61 1.94 1.2576 -2 6 1 4 75.98 1.01 1.2525 -5 3 5 4 76.00 1.36 1.2522 -12 0 3 2 76.13 1.63 1.2503 -5 5 3 4 76.25 1.06 1.2487 -10 2 4 4 76.75 1.32 1.2419 -11 3 2 4 77.02 1.18 1.2381 -12 2 2 4 77.54 1.26 1.2312 -4 0 6 2 77.57 1.20 1.2307 12 2 0 4 77.79 1.19 1.2278 9 2 3 4 77.81 1.59 1.2275 -11 1 4 4 77.87 1.55 1.2268 -10 4 1 4 77.88 2.14 1.2265 -9 1 5 4 78.24 1.15 1.2219 4 6 0 4 78.41 1.18 1.2196 4 2 5 4 78.73 2.96 1.2155 0 0 6 2 78.97 2.37 1.2124 10 4 0 4 79.41 1.71 1.2068 -13 1 1 4 79.67 1.33 1.2034 4 4 4 4 79.83 1.90 1.2014 -5 1 6 4 80.45 1.32 1.1938 -7 3 5 4 80.95 2.01 1.1877 -10 0 5 2 81.61 1.85 1.1797 1 1 6 4 81.75 1.91 1.1781 12 2 1 4 82.07 1.15 1.1742 -1 4 5 4 82.96 1.51 1.1639 1 5 4 4 83.24 4.13 1.1607 8 2 4 4 83.47 1.61 1.1580 -10 4 3 4 83.78 1.37 1.1545 -6 6 1 4 83.92 1.11 1.1530 6 6 0 4 84.04 1.48 1.1517 -5 5 4 4 84.86 1.16 1.1427 -9 5 2 4 85.35 1.55 1.1373 0 6 3 4 85.70 1.10 1.1335 -9 4 4 4 86.02 1.09 1.1302 -6 4 5 4 86.11 1.11 1.1292 8 4 3 4 86.45 1.18 1.1256 6 2 5 4 86.84 2.38 1.1216 -12 2 4 4 87.09 1.79 1.1190 11 1 3 4 87.11 1.33 1.1188 -9 3 5 4 87.37 1.49 1.1162 -3 3 6 4 87.39 1.45 1.1160 9 5 1 4 88.49 1.89 1.1049 -7 4 5 4 89.39 1.70 1.0961 -13 -3 2 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.