Serendibite Van Derveer D G, Swihart G H, Sen Gupta P K, Grew E S American Mineralogist 78 (1993) 195-203 Cation occupancies in serendibite: A crystal structure study Sample from Johnsburg, New York Displacement parameters obtained from ICSD _database_code_amcsd 0001546 CELL PARAMETERS: 10.0100 10.3930 8.6310 106.370 96.100 124.380 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 669.890 Density (g/cm3): 3.415 MAX. ABS. INTENSITY / VOLUME**2: 2.553305245 RIR: 0.243 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.34 1.69 7.8021 0 0 1 2 11.35 2.86 7.7978 0 1 0 2 11.37 10.20 7.7835 1 0 0 2 12.26 18.31 7.2207 0 -1 1 2 13.10 2.19 6.7581 -1 0 1 2 14.33 5.10 6.1796 1 -1 1 2 15.73 1.56 5.6347 -1 1 1 2 18.86 2.45 4.7043 -1 -1 1 2 19.15 9.45 4.6340 0 1 1 2 20.79 3.31 4.2730 0 -1 2 2 21.84 11.82 4.0698 -2 0 1 2 21.91 10.93 4.0564 2 -2 1 2 22.88 5.54 3.8864 2 -1 1 2 24.25 3.19 3.6705 1 -2 2 2 24.66 24.83 3.6103 0 -2 2 2 25.73 2.33 3.4620 -1 1 2 2 26.38 6.07 3.3790 -2 0 2 2 26.48 3.18 3.3666 2 -3 1 2 26.80 41.18 3.3271 -2 1 2 2 26.87 31.80 3.3185 -2 3 0 2 26.91 3.55 3.3130 -3 2 0 2 27.44 1.25 3.2504 1 1 1 2 28.28 12.51 3.1561 -3 1 1 2 28.42 1.78 3.1409 -1 -2 1 2 28.70 1.73 3.1100 -3 1 0 2 28.82 7.56 3.0978 -2 -1 1 2 28.83 13.01 3.0965 1 0 2 2 28.90 11.14 3.0898 2 -2 2 2 29.57 30.86 3.0214 0 1 2 2 29.57 32.56 3.0206 0 2 1 2 29.93 5.72 2.9851 -1 -2 2 2 30.08 6.76 2.9713 3 -2 1 2 31.00 19.99 2.8845 3 -3 1 2 31.40 62.42 2.8488 0 -1 3 2 31.42 68.32 2.8472 0 -3 1 2 31.42 20.76 2.8471 1 2 0 2 31.44 27.20 2.8450 2 1 0 2 31.49 28.37 2.8413 2 -1 2 2 31.76 23.99 2.8173 -2 2 2 2 31.79 30.66 2.8145 -2 3 1 2 32.46 3.52 2.7580 0 -2 3 2 32.48 6.20 2.7570 0 -3 2 2 32.51 1.17 2.7538 -3 0 1 2 33.05 11.70 2.7105 -3 3 1 2 33.44 40.92 2.6799 3 -1 1 2 33.48 20.03 2.6762 -1 2 2 2 33.53 2.29 2.6725 1 -2 3 2 34.19 21.27 2.6228 -3 2 2 2 34.46 69.15 2.6025 -2 0 3 2 34.49 5.84 2.6007 0 0 3 2 34.51 4.60 2.5993 0 3 0 2 34.51 15.96 2.5991 -3 0 2 2 34.57 28.10 2.5945 3 0 0 2 34.57 71.90 2.5943 2 -4 1 2 34.67 14.54 2.5874 -1 3 1 2 35.02 11.70 2.5624 1 -1 3 2 35.45 2.42 2.5324 -1 -2 3 2 35.99 3.36 2.4951 1 -3 3 2 36.39 55.24 2.4687 -2 -1 3 2 36.39 9.10 2.4686 -2 1 3 2 36.48 12.37 2.4630 -2 4 0 2 36.52 56.40 2.4606 2 -4 2 2 36.52 9.25 2.4601 -3 4 0 2 36.56 74.04 2.4575 -4 2 0 2 36.87 13.72 2.4381 -1 1 3 2 36.87 10.96 2.4377 3 -2 2 2 37.36 12.57 2.4069 0 -3 3 2 37.71 16.49 2.3854 2 1 1 2 37.73 13.65 2.3844 2 0 2 2 38.07 5.02 2.3636 -4 3 1 2 38.26 11.11 2.3522 -2 -2 2 2 38.28 19.24 2.3510 -2 -2 1 2 38.36 19.21 2.3468 2 -2 3 2 38.36 10.73 2.3463 2 -3 3 2 39.01 1.39 2.3087 3 -4 2 2 39.32 2.08 2.2915 -1 -3 1 2 39.59 4.79 2.2764 -3 1 3 2 39.94 1.76 2.2574 -3 -1 1 2 40.07 5.86 2.2503 -1 4 0 2 40.17 7.26 2.2451 -4 1 0 2 40.19 1.23 2.2438 -4 4 0 2 40.20 1.71 2.2433 -3 -1 2 2 40.21 4.73 2.2430 4 -2 1 2 40.67 1.38 2.2185 -4 1 2 2 40.68 2.29 2.2178 -3 4 1 2 40.80 2.84 2.2117 4 -4 1 2 40.90 1.02 2.2066 0 1 3 2 41.73 4.79 2.1646 -2 -2 3 2 41.73 3.73 2.1646 -2 2 3 2 41.78 2.11 2.1619 2 2 0 2 41.78 4.26 2.1618 -2 4 1 2 41.80 3.32 2.1611 1 -4 3 2 41.83 1.73 2.1597 2 -1 3 2 41.85 4.23 2.1586 2 -4 3 2 42.32 1.78 2.1354 0 -4 2 2 42.85 9.01 2.1105 0 -1 4 2 42.88 7.07 2.1092 0 -4 1 2 43.06 2.13 2.1006 3 1 0 2 43.66 4.11 2.0730 3 -5 1 2 43.91 6.31 2.0620 -1 0 4 2 44.02 2.36 2.0568 -4 0 1 2 44.14 1.92 2.0519 4 -3 2 2 44.43 68.57 2.0389 -2 0 4 2 44.53 8.39 2.0349 -4 0 2 2 44.56 68.77 2.0335 2 -5 1 2 44.68 9.55 2.0282 4 -4 2 2 44.89 79.40 2.0191 4 -1 1 2 45.01 2.89 2.0140 0 -3 4 2 45.02 2.63 2.0135 0 -4 3 2 45.81 4.54 1.9806 -5 3 1 2 45.93 2.22 1.9759 3 -2 3 2 45.97 1.01 1.9741 4 -5 1 2 46.56 2.41 1.9505 0 0 4 2 46.59 1.76 1.9495 0 4 0 2 46.68 1.53 1.9459 4 0 0 2 46.77 2.31 1.9425 -5 4 0 2 46.85 1.30 1.9392 1 2 2 2 47.29 19.88 1.9220 -2 1 4 2 47.39 20.98 1.9182 -2 5 0 2 47.51 3.50 1.9137 -5 2 0 2 47.62 1.87 1.9095 -3 4 2 2 47.84 2.96 1.9012 -2 -3 2 2 47.93 2.26 1.8979 2 -3 4 2 48.05 2.83 1.8934 -3 0 4 2 48.05 2.10 1.8934 -2 -2 4 2 48.10 3.27 1.8916 -4 0 3 2 48.14 1.67 1.8903 2 2 1 2 48.16 1.13 1.8895 2 0 3 2 48.19 1.75 1.8883 2 -5 3 2 48.20 4.47 1.8881 3 0 2 2 48.29 5.67 1.8846 4 -5 2 2 48.32 1.16 1.8835 5 -4 1 2 48.36 1.79 1.8822 -3 -2 2 2 48.51 2.41 1.8766 1 -5 1 2 48.66 15.93 1.8713 -4 4 2 2 48.69 1.40 1.8703 -1 1 4 2 49.07 3.49 1.8567 -5 3 2 2 49.11 2.63 1.8552 -2 -3 1 2 49.17 2.88 1.8529 2 -2 4 2 49.56 2.27 1.8392 -2 -3 3 2 49.58 7.86 1.8387 0 2 3 2 49.59 8.11 1.8384 0 3 2 2 49.68 3.09 1.8352 2 -4 4 2 50.26 1.50 1.8155 -3 5 1 2 50.33 8.14 1.8129 -4 3 3 2 50.42 7.32 1.8101 -4 5 1 2 50.56 1.03 1.8052 0 -4 4 2 50.87 1.64 1.7951 -5 5 0 2 51.08 1.23 1.7882 -4 -1 2 2 51.14 2.73 1.7860 5 -5 1 2 52.12 2.50 1.7550 4 0 1 2 52.14 1.50 1.7542 -1 5 0 2 52.15 2.24 1.7540 4 -1 2 2 52.71 2.89 1.7366 5 -4 2 2 53.17 4.29 1.7226 -4 -1 3 2 53.19 1.71 1.7219 2 3 0 2 53.22 4.79 1.7211 3 2 0 2 53.24 1.89 1.7206 2 -1 4 2 53.30 5.65 1.7187 3 -6 2 2 53.37 3.00 1.7165 4 -5 3 2 53.39 1.23 1.7161 0 -2 5 2 53.43 1.68 1.7149 -5 5 1 2 53.47 2.15 1.7137 -1 -1 5 2 53.55 5.20 1.7114 3 -4 4 2 53.66 2.13 1.7082 3 -3 4 2 54.06 6.53 1.6964 -2 -3 4 2 54.19 6.35 1.6926 2 -5 4 2 54.30 1.70 1.6895 -4 0 4 2 54.51 1.93 1.6833 4 -6 2 2 54.72 1.25 1.6775 -2 -1 5 2 54.95 4.51 1.6711 -5 3 3 2 54.99 7.50 1.6698 0 -1 5 2 55.03 6.55 1.6688 0 -5 1 2 55.22 2.84 1.6635 -4 2 4 2 55.25 2.22 1.6625 1 4 0 2 55.33 1.71 1.6604 4 1 0 2 55.37 1.61 1.6592 -4 6 0 2 55.38 2.98 1.6589 1 -3 5 2 55.42 1.82 1.6579 -6 3 1 2 55.47 1.84 1.6565 -6 4 0 2 55.76 8.65 1.6485 -5 0 2 2 55.88 1.50 1.6452 -1 2 4 2 56.25 1.26 1.6354 -5 0 1 2 56.49 4.13 1.6289 3 -2 4 2 56.53 1.83 1.6279 -2 -2 5 2 56.59 1.51 1.6265 5 -6 1 2 56.61 1.13 1.6258 -4 4 3 2 56.63 2.52 1.6252 2 2 2 2 56.64 2.42 1.6250 2 1 3 2 56.65 1.49 1.6247 -4 5 2 2 56.68 1.58 1.6239 2 -6 3 2 57.39 4.56 1.6055 -6 3 2 2 57.44 1.71 1.6043 -5 6 0 2 57.50 2.85 1.6029 -6 5 0 2 57.75 1.17 1.5965 6 -4 1 2 57.89 1.13 1.5928 -4 -1 4 2 57.91 1.75 1.5924 5 -2 2 2 57.96 3.45 1.5913 -5 0 3 2 58.02 1.44 1.5896 3 0 3 2 58.13 1.34 1.5870 4 -6 3 2 58.26 1.27 1.5837 -3 -3 2 2 58.27 1.55 1.5835 -1 5 1 2 58.36 20.52 1.5812 0 -4 5 2 58.37 19.03 1.5809 0 -5 4 2 58.49 1.67 1.5780 -6 2 2 2 58.62 7.74 1.5747 -3 -1 5 2 58.63 1.54 1.5744 6 -5 1 2 58.80 1.13 1.5704 -2 -4 2 2 58.88 1.16 1.5685 2 -3 5 2 58.89 5.54 1.5681 -3 -3 3 2 58.94 3.37 1.5670 -6 4 2 2 58.99 4.32 1.5658 -6 5 1 2 59.06 4.28 1.5641 1 -6 2 2 59.15 1.46 1.5621 1 -1 5 2 59.17 14.17 1.5614 -2 1 5 2 59.29 14.38 1.5587 -2 6 0 2 59.37 7.24 1.5567 5 0 0 2 59.44 2.22 1.5550 -6 2 0 2 59.49 3.36 1.5539 6 -3 1 2 59.49 1.91 1.5539 5 -4 3 2 59.73 1.26 1.5482 2 0 4 2 59.80 19.36 1.5465 4 0 2 2 59.82 3.31 1.5460 5 -5 3 2 59.88 12.73 1.5447 0 3 3 2 59.93 1.72 1.5434 1 -6 3 2 60.24 2.23 1.5364 -3 -3 1 2 60.53 1.02 1.5296 -4 -2 3 2 60.74 1.28 1.5249 4 -5 4 2 60.97 2.52 1.5196 -2 -4 1 2 61.03 2.38 1.5183 2 -2 5 2 61.23 1.78 1.5138 -1 1 5 2 61.32 1.43 1.5117 3 -6 4 2 61.48 1.37 1.5081 -1 -5 3 2 61.73 6.07 1.5028 5 -3 3 2 61.81 1.92 1.5009 3 -1 4 2 61.89 13.36 1.4993 -6 2 3 2 62.08 15.35 1.4951 6 -6 1 2 62.13 1.86 1.4939 -6 1 2 2 62.32 2.53 1.4899 6 -5 2 2 62.38 1.38 1.4885 -6 1 1 2 62.52 1.21 1.4857 6 -4 2 2 62.70 2.15 1.4817 5 -6 3 2 63.03 1.59 1.4748 -5 -1 2 2 63.88 1.81 1.4573 -4 -2 4 2 64.12 1.12 1.4524 4 -6 4 2 64.39 37.58 1.4469 -6 1 3 2 64.52 1.57 1.4444 -5 -1 1 2 64.53 27.79 1.4441 0 -5 5 2 64.62 37.59 1.4423 6 -6 2 2 64.67 2.24 1.4413 3 3 0 2 64.77 4.32 1.4393 3 -7 3 2 64.88 3.12 1.4372 -4 -1 5 2 64.88 3.29 1.4371 -1 -2 6 2 64.96 41.94 1.4355 -4 5 3 2 64.99 2.29 1.4351 3 -5 5 2 65.09 4.23 1.4331 -2 2 5 2 65.14 2.57 1.4321 4 -7 3 2 65.18 3.28 1.4313 -2 6 1 2 65.54 6.32 1.4243 0 -3 6 2 65.57 5.59 1.4236 0 -6 3 2 65.58 43.90 1.4235 2 4 0 2 65.62 42.86 1.4228 2 -1 5 2 65.83 4.83 1.4187 -7 4 0 2 66.36 5.68 1.4087 -4 4 4 2 66.42 1.13 1.4075 -1 -3 6 2 66.43 5.43 1.4073 -4 6 2 2 67.17 3.66 1.3936 3 1 3 2 67.63 1.22 1.3853 -3 -3 5 2 67.98 1.17 1.3790 0 -4 6 2 68.01 1.18 1.3785 0 -6 4 2 68.31 1.47 1.3732 1 3 3 2 69.02 1.79 1.3607 -6 1 4 2 69.18 2.07 1.3579 -3 -4 3 2 69.34 2.62 1.3553 -6 0 1 2 69.50 2.62 1.3525 6 -4 3 2 70.47 1.25 1.3362 2 -4 6 2 70.81 2.28 1.3306 -7 3 3 2 71.06 1.05 1.3266 2 -3 6 2 71.15 1.57 1.3252 -3 -4 4 2 71.33 1.35 1.3222 1 -7 3 2 71.94 6.12 1.3125 -4 -3 4 2 72.18 8.58 1.3087 4 -6 5 2 72.39 6.42 1.3055 2 4 1 2 72.41 7.93 1.3051 2 0 5 2 72.47 1.07 1.3043 1 1 5 2 72.74 1.24 1.3000 4 -3 5 2 72.77 2.44 1.2995 -6 0 4 2 72.92 1.25 1.2972 6 0 0 2 73.04 1.08 1.2955 6 -3 3 2 73.08 1.85 1.2948 6 -7 3 2 73.08 1.78 1.2948 -2 3 5 2 73.15 1.41 1.2937 -2 6 2 2 73.77 2.45 1.2845 7 -7 1 2 73.83 4.64 1.2835 -4 -1 6 2 74.31 5.13 1.2765 -7 6 2 2 74.93 1.64 1.2674 -7 5 3 2 75.07 4.75 1.2653 -4 5 4 2 75.11 3.95 1.2648 -4 6 3 2 75.18 1.24 1.2638 2 -7 5 2 75.19 1.69 1.2636 1 5 1 2 75.52 1.09 1.2590 3 -5 6 2 75.82 2.56 1.2546 -1 4 4 2 76.19 2.00 1.2495 -2 -5 5 2 76.33 1.43 1.2476 2 -6 6 2 76.37 4.20 1.2470 -4 -3 5 2 76.51 2.18 1.2451 -1 5 3 2 76.65 3.09 1.2432 4 -7 5 2 76.88 1.27 1.2400 -7 2 4 2 77.30 1.84 1.2343 -4 2 6 2 77.38 1.09 1.2333 -6 3 5 2 77.82 1.31 1.2274 -1 3 5 2 77.83 1.33 1.2272 -4 7 2 2 78.57 2.28 1.2175 2 3 3 2 78.58 1.64 1.2175 2 2 4 2 78.74 1.47 1.2153 -6 -1 4 2 79.07 1.25 1.2111 6 -7 4 2 79.32 1.24 1.2080 -1 -1 7 2 79.67 2.36 1.2034 0 -6 6 2 80.36 1.87 1.1949 7 -7 3 2 80.81 7.09 1.1894 -4 -4 3 2 81.02 7.88 1.1868 4 -5 6 2 81.47 1.07 1.1814 -2 0 7 2 82.09 1.14 1.1740 0 -1 7 2 82.15 1.08 1.1733 0 -7 1 2 82.44 3.20 1.1699 -2 -5 6 2 82.61 3.63 1.1680 2 -7 6 2 83.43 7.09 1.1585 0 4 4 2 84.13 1.39 1.1507 -7 3 5 2 84.45 1.21 1.1471 -4 0 7 2 84.47 1.20 1.1469 4 3 1 2 84.57 1.78 1.1458 -2 -6 2 2 84.64 1.91 1.1450 2 -3 7 2 85.27 2.36 1.1382 -6 2 6 2 86.38 1.08 1.1263 -6 0 6 2 87.52 1.01 1.1146 0 0 7 2 87.58 1.48 1.1140 0 7 0 2 87.79 1.53 1.1119 7 0 0 2 87.94 2.27 1.1104 -6 5 5 2 89.44 1.09 1.0956 -7 0 5 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.