Semseyite Kohatsu J J, Wuensch B J American Mineralogist 59 (1974) 1127-1127 Semseyite (Pb9Sb8S21) and the crystal chemistry of the plagionite group, Pb3+2nSb8S15+2n Note: structure from ICSD _database_code_amcsd 0000427 CELL PARAMETERS: 13.6030 11.9360 24.4530 90.000 106.047 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 3815.619 Density (g/cm3): 6.113 MAX. ABS. INTENSITY / VOLUME**2: 40.59850675 RIR: 2.162 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.52 12.98 11.7501 0 0 2 2 11.36 4.09 7.7895 1 1 1 4 11.37 2.52 7.7816 -1 1 2 4 13.55 1.65 6.5365 2 0 0 2 13.56 10.61 6.5302 -2 0 2 2 13.64 13.64 6.4940 1 1 2 4 14.84 4.86 5.9680 0 2 0 2 15.08 2.70 5.8750 0 0 4 2 16.48 8.92 5.3787 1 1 3 4 16.66 4.15 5.3210 0 2 2 4 17.25 6.10 5.1403 2 0 2 2 19.66 14.17 4.5157 1 1 4 4 19.68 3.86 4.5110 -1 1 5 4 20.15 1.56 4.4073 2 2 0 4 21.04 1.25 4.2223 -3 1 1 4 21.05 14.87 4.2210 -3 1 2 4 21.22 28.33 4.1868 0 2 4 4 22.70 2.23 3.9167 0 0 6 2 22.86 9.85 3.8908 -2 2 4 4 22.98 1.13 3.8699 2 0 4 2 23.03 32.75 3.8617 -3 1 4 4 23.04 31.82 3.8594 1 1 5 4 23.37 21.35 3.8063 1 3 0 4 23.37 78.65 3.8060 -1 3 1 4 23.99 29.12 3.7096 -1 3 2 4 24.10 4.70 3.6924 0 2 5 4 24.86 3.33 3.5816 -3 1 5 4 24.99 29.94 3.5634 -2 2 5 4 25.17 16.04 3.5385 1 3 2 4 25.18 9.88 3.5373 -1 3 3 4 26.20 25.23 3.4007 -4 0 2 2 26.57 83.26 3.3548 1 1 6 4 27.07 3.92 3.2938 3 1 3 4 27.12 48.46 3.2884 -3 1 6 4 27.23 1.22 3.2745 0 2 6 4 27.29 74.64 3.2682 4 0 0 2 27.31 1.09 3.2651 -4 0 4 2 27.47 56.14 3.2470 2 2 4 4 27.50 78.68 3.2432 -2 2 6 4 28.96 2.86 3.0832 1 3 4 4 29.70 2.57 3.0083 -2 0 8 2 29.71 52.52 3.0067 -3 1 7 4 29.94 3.30 2.9848 -3 3 1 4 29.94 14.10 2.9844 -3 3 2 4 29.94 4.52 2.9840 0 4 0 2 30.20 10.13 2.9592 1 1 7 4 30.25 7.38 2.9547 -4 2 2 4 30.28 60.88 2.9521 2 2 5 4 30.31 4.84 2.9487 -2 2 7 4 30.35 5.63 2.9455 4 0 2 2 30.42 49.04 2.9382 3 3 0 4 30.44 1.19 2.9369 -3 3 3 4 30.50 2.16 2.9311 -4 2 3 4 30.92 1.48 2.8922 0 4 2 4 31.20 4.19 2.8666 4 2 0 4 31.23 21.36 2.8644 -4 2 4 4 31.38 79.84 2.8508 3 3 1 4 31.41 1.23 2.8480 1 3 5 4 31.43 1.59 2.8466 -1 3 6 4 32.40 19.66 2.7632 -4 2 5 4 32.58 31.10 2.7485 -3 1 8 4 32.77 13.32 2.7331 3 3 2 4 32.77 8.42 2.7326 -2 4 1 4 32.80 4.08 2.7307 -3 3 5 4 33.00 20.03 2.7145 2 4 0 4 33.00 7.61 2.7141 -2 4 2 4 33.32 52.59 2.6893 2 2 6 4 33.35 7.13 2.6863 -2 2 8 4 33.69 1.29 2.6605 0 4 4 4 33.84 1.13 2.6486 -5 1 2 4 33.94 1.52 2.6412 -1 1 9 4 33.98 13.21 2.6380 -4 2 6 4 34.58 1.32 2.5939 -3 3 6 4 34.78 2.79 2.5795 -2 4 4 4 34.91 1.10 2.5701 4 0 4 2 35.17 1.23 2.5517 -5 1 5 4 35.64 2.90 2.5192 0 4 5 4 36.27 2.70 2.4770 -2 4 5 4 36.90 29.87 2.4362 -2 0 10 2 37.71 1.75 2.3854 1 1 9 4 38.08 1.52 2.3631 2 4 4 4 38.12 12.43 2.3606 4 2 4 4 38.30 2.36 2.3500 0 0 10 2 38.73 2.13 2.3251 -1 5 2 4 39.11 2.12 2.3031 -3 3 8 4 39.51 1.27 2.2808 -1 5 3 4 39.93 5.84 2.2578 2 2 8 4 39.97 1.73 2.2555 -2 2 10 4 40.20 17.44 2.2434 -5 3 2 4 40.20 14.70 2.2430 -5 3 3 4 40.23 1.49 2.2418 2 4 5 4 40.26 2.30 2.2400 1 3 8 4 40.28 3.45 2.2389 -1 3 9 4 40.40 2.60 2.2326 -4 4 3 4 40.44 11.11 2.2303 0 4 7 4 40.57 11.99 2.2235 -5 3 1 4 40.65 3.86 2.2197 4 2 5 4 40.66 19.15 2.2189 -1 5 4 4 40.95 2.65 2.2037 4 4 0 4 41.60 7.09 2.1710 -1 1 11 4 41.73 1.09 2.1647 3 3 6 4 41.91 2.30 2.1556 -4 4 5 4 42.15 57.58 2.1437 -1 5 5 4 42.42 1.43 2.1307 5 3 1 4 42.65 1.42 2.1200 2 4 6 4 43.15 2.01 2.0963 4 4 2 4 43.22 10.51 2.0934 0 4 8 4 43.22 1.17 2.0932 -3 5 3 4 43.40 8.95 2.0851 -6 2 5 4 43.45 1.24 2.0827 2 2 9 4 43.58 1.03 2.0766 1 3 9 4 43.86 3.39 2.0642 5 3 2 4 43.91 1.77 2.0620 -5 3 7 4 43.94 1.92 2.0606 -3 5 4 4 43.96 7.42 2.0597 -1 5 6 4 44.29 36.24 2.0450 -6 2 6 4 44.39 3.11 2.0406 -6 0 8 2 44.42 8.07 2.0392 2 0 10 2 44.66 1.54 2.0289 -3 3 10 4 44.72 12.11 2.0263 5 1 5 4 44.79 3.73 2.0233 -4 4 7 4 44.98 4.85 2.0155 3 5 2 4 45.52 12.35 1.9926 -6 2 7 4 45.54 17.39 1.9920 -1 1 12 4 45.67 1.14 1.9867 -5 3 8 4 46.04 2.77 1.9714 1 5 6 4 46.20 7.78 1.9650 0 4 9 4 46.35 9.49 1.9588 3 5 3 4 46.37 1.95 1.9581 4 2 7 4 46.38 1.30 1.9576 -3 5 6 4 46.64 2.30 1.9474 4 4 4 4 46.69 6.67 1.9454 -4 4 8 4 47.00 1.48 1.9333 6 2 2 4 47.04 1.27 1.9317 -4 0 12 2 47.05 3.01 1.9313 1 3 10 4 47.09 2.46 1.9297 2 2 10 4 47.14 1.70 1.9279 -2 2 12 4 47.44 6.32 1.9163 -7 1 4 4 47.46 27.03 1.9157 5 1 6 4 47.63 4.87 1.9093 -2 6 1 4 47.64 2.59 1.9089 5 3 4 4 47.70 1.59 1.9064 -5 3 9 4 47.74 8.14 1.9050 -3 3 11 4 47.76 5.34 1.9042 -7 1 2 4 47.79 1.17 1.9031 2 6 0 4 47.80 2.84 1.9030 -2 6 2 4 48.03 3.49 1.8942 3 5 4 4 48.07 2.20 1.8929 -3 5 7 4 48.29 10.77 1.8848 2 6 1 4 48.30 2.64 1.8845 -2 6 3 4 48.39 2.35 1.8809 1 5 7 4 48.41 5.77 1.8804 -1 5 8 4 48.45 1.86 1.8787 -7 1 6 4 48.49 7.32 1.8773 -6 0 10 2 48.86 3.83 1.8640 -4 4 9 4 49.11 9.65 1.8552 2 6 2 4 49.12 3.42 1.8548 -2 6 4 4 49.36 9.43 1.8462 0 4 10 4 49.44 2.41 1.8434 -7 1 7 4 49.48 2.35 1.8420 3 1 10 4 49.55 12.99 1.8396 -1 1 13 4 49.77 1.26 1.8320 0 6 5 4 49.99 10.47 1.8245 3 5 5 4 50.00 2.55 1.8241 -5 3 10 4 50.40 2.82 1.8107 5 1 7 4 50.49 9.03 1.8075 -5 1 12 4 50.65 9.36 1.8021 1 3 11 4 50.68 4.11 1.8014 -1 3 12 4 50.74 6.25 1.7994 -7 1 8 4 50.85 1.24 1.7956 2 2 11 4 50.90 6.06 1.7940 -2 2 13 4 50.91 13.64 1.7935 6 2 4 4 51.00 3.19 1.7909 -3 3 12 4 51.21 5.22 1.7837 4 4 6 4 51.24 1.02 1.7829 -5 5 1 4 51.25 5.50 1.7825 -5 5 4 4 51.53 1.23 1.7737 0 6 6 4 51.89 15.06 1.7622 -5 5 5 4 51.97 8.49 1.7597 6 4 0 4 52.20 2.63 1.7522 3 5 6 4 52.32 2.19 1.7487 -7 1 9 4 52.69 7.81 1.7371 0 4 11 4 53.05 3.64 1.7263 6 4 1 4 53.25 3.61 1.7201 6 2 5 4 53.27 8.74 1.7196 3 1 11 4 53.35 4.66 1.7173 -7 3 1 4 53.55 3.18 1.7114 0 6 7 4 53.62 5.49 1.7091 -5 1 13 4 53.80 2.82 1.7040 -1 5 10 4 53.85 5.30 1.7024 4 4 7 4 53.92 12.14 1.7004 -4 4 11 4 54.06 2.01 1.6964 -5 5 7 4 54.25 4.12 1.6908 -1 7 1 4 54.26 6.20 1.6906 7 3 0 4 54.38 3.59 1.6870 1 3 12 4 54.51 12.64 1.6833 -8 0 2 2 54.72 2.90 1.6774 2 2 12 4 55.16 1.74 1.6652 1 7 2 4 55.29 4.14 1.6615 -5 3 12 4 55.46 3.16 1.6568 7 3 1 4 55.57 2.94 1.6537 -5 5 8 4 56.30 8.99 1.6341 8 0 0 2 56.77 9.80 1.6216 -4 4 12 4 56.86 1.88 1.6193 -8 2 6 4 57.01 1.22 1.6155 -7 3 9 4 57.17 3.20 1.6112 3 1 12 4 57.80 5.64 1.5951 -3 7 1 4 57.80 2.64 1.5951 -3 7 2 4 57.82 1.94 1.5946 -1 1 15 4 58.09 1.00 1.5879 3 7 0 4 58.31 1.32 1.5824 0 6 9 4 58.57 1.67 1.5761 8 2 0 4 58.67 1.72 1.5737 3 7 1 4 58.70 5.97 1.5727 2 2 13 4 58.71 4.27 1.5726 -6 2 13 4 59.20 1.70 1.5608 8 0 2 2 59.74 1.90 1.5479 4 4 9 4 59.82 1.19 1.5460 -4 4 13 4 60.04 1.83 1.5409 -4 2 15 4 60.59 1.63 1.5282 -4 6 9 4 60.66 1.43 1.5266 3 7 3 4 60.77 3.06 1.5242 -7 3 11 4 61.16 1.32 1.5153 0 2 15 4 61.29 1.61 1.5125 5 3 9 4 61.62 2.92 1.5052 3 3 12 4 61.70 1.25 1.5033 -6 2 14 4 62.07 2.30 1.4953 -6 6 3 4 62.10 3.64 1.4947 -1 1 16 4 62.21 4.07 1.4922 -6 6 4 4 62.38 1.45 1.4886 -1 7 8 4 62.78 4.00 1.4801 0 8 2 4 62.97 7.37 1.4761 4 4 10 4 63.01 4.28 1.4753 -7 3 12 4 63.04 1.21 1.4746 -8 4 3 4 63.05 1.46 1.4743 -4 4 14 4 63.29 1.63 1.4693 3 5 10 4 63.47 1.98 1.4657 0 8 3 4 63.60 1.55 1.4630 0 4 14 4 63.72 1.95 1.4604 3 7 5 4 63.82 3.42 1.4585 -4 2 16 4 63.95 3.07 1.4559 0 6 11 4 64.03 1.08 1.4542 -5 1 16 4 64.26 5.06 1.4495 6 6 1 4 64.43 1.66 1.4461 0 8 4 4 64.61 1.80 1.4426 5 3 10 4 64.80 4.02 1.4388 -5 7 1 4 65.13 1.62 1.4322 -8 4 8 4 65.25 1.91 1.4299 8 2 4 4 65.34 3.87 1.4283 5 7 0 4 65.44 1.24 1.4262 0 2 16 4 65.48 2.56 1.4255 -7 3 13 4 65.48 4.62 1.4254 6 6 2 4 65.67 2.66 1.4219 7 5 2 4 65.67 2.25 1.4218 -3 7 9 4 65.99 1.93 1.4157 9 1 1 4 66.04 1.55 1.4146 6 0 10 2 66.38 3.48 1.4083 4 4 11 4 66.43 3.03 1.4074 -9 3 3 4 66.62 1.59 1.4038 -3 5 14 4 66.96 1.59 1.3976 -9 3 2 4 67.01 3.74 1.3967 1 7 9 4 67.06 1.90 1.3956 0 6 12 4 67.27 1.31 1.3918 -2 8 6 4 67.27 2.49 1.3917 7 5 3 4 67.60 1.54 1.3858 -4 6 12 4 67.82 3.49 1.3819 -5 1 17 4 67.82 2.25 1.3819 -3 7 10 4 68.86 1.67 1.3634 0 8 7 4 69.23 2.83 1.3570 -4 8 4 4 69.55 3.03 1.3516 -3 3 17 4 69.55 4.08 1.3516 -9 1 12 4 69.56 2.88 1.3514 -8 4 11 4 69.60 1.63 1.3508 3 1 15 4 69.66 1.42 1.3498 1 7 10 4 69.80 2.45 1.3475 -4 0 18 2 69.90 1.23 1.3458 -4 8 5 4 70.15 2.11 1.3415 3 7 8 4 70.19 1.18 1.3408 -9 3 10 4 70.20 3.65 1.3407 -3 7 11 4 70.38 2.63 1.3378 -4 6 13 4 70.42 2.65 1.3370 2 8 6 4 70.45 1.85 1.3366 -2 8 8 4 70.57 2.33 1.3346 1 5 14 4 70.79 1.81 1.3310 4 8 2 4 71.22 2.37 1.3240 -10 2 6 4 71.22 2.83 1.3240 7 5 5 4 71.50 1.16 1.3194 1 9 0 4 71.53 2.48 1.3190 -8 4 12 4 71.62 1.10 1.3177 -10 2 7 4 71.65 1.94 1.3171 -9 1 13 4 71.66 1.83 1.3169 6 2 11 4 71.76 2.54 1.3153 -5 1 18 4 71.82 1.07 1.3144 -4 2 18 4 71.99 1.54 1.3117 -4 8 7 4 72.28 1.13 1.3072 1 9 2 4 72.37 1.96 1.3057 2 8 7 4 72.38 3.36 1.3056 0 0 18 2 73.18 1.39 1.2933 -2 4 17 4 73.36 1.83 1.2905 -4 6 14 4 73.54 3.08 1.2878 7 5 6 4 73.71 1.71 1.2853 -3 3 18 4 73.73 1.04 1.2851 8 0 8 2 73.85 1.37 1.2833 9 1 5 4 74.01 2.67 1.2808 3 1 16 4 74.04 1.32 1.2804 7 3 9 4 74.08 1.75 1.2798 1 9 4 4 74.30 2.00 1.2766 -9 5 4 4 74.31 3.79 1.2765 -9 5 5 4 74.40 2.83 1.2750 -8 6 7 4 74.56 1.14 1.2728 2 8 8 4 74.74 1.51 1.2701 -7 7 1 4 74.96 2.48 1.2670 1 3 17 4 75.09 4.74 1.2651 -9 5 7 4 75.35 3.47 1.2613 -3 9 4 4 75.39 1.54 1.2608 6 2 12 4 75.45 2.75 1.2600 -10 0 12 2 75.62 1.31 1.2575 -3 7 13 4 75.86 2.76 1.2542 -9 5 8 4 75.86 2.90 1.2542 -8 2 16 4 76.04 2.02 1.2516 8 4 6 4 76.29 1.66 1.2481 5 7 7 4 76.39 2.53 1.2468 9 1 6 4 76.48 2.73 1.2455 4 6 11 4 76.54 1.13 1.2447 -9 1 15 4 76.95 2.66 1.2390 7 1 11 4 77.14 1.63 1.2365 -3 9 6 4 77.31 1.33 1.2342 10 2 2 4 77.33 1.22 1.2339 2 4 16 4 77.39 2.68 1.2332 -2 4 18 4 77.49 1.36 1.2318 -7 3 17 4 78.16 1.78 1.2229 -10 4 2 4 78.43 2.19 1.2194 -11 1 8 4 78.69 2.86 1.2160 8 4 7 4 78.81 1.14 1.2144 5 7 8 4 79.02 1.07 1.2117 -8 2 17 4 79.09 2.41 1.2108 -2 6 16 4 79.35 2.05 1.2076 -7 7 10 4 79.51 2.03 1.2055 1 3 18 4 79.60 2.98 1.2044 -6 8 8 4 79.88 1.25 1.2009 4 6 12 4 80.59 1.72 1.1921 0 10 1 4 80.72 1.14 1.1904 7 1 12 4 80.98 1.13 1.1873 -6 8 9 4 81.01 1.95 1.1869 -7 3 18 4 81.10 4.31 1.1858 -7 7 11 4 81.31 2.50 1.1833 10 2 4 4 81.39 2.32 1.1824 -6 4 18 4 81.56 2.08 1.1803 5 7 9 4 81.59 1.23 1.1800 0 10 3 4 81.72 1.52 1.1783 2 4 17 4 81.78 1.24 1.1777 -2 4 19 4 82.33 1.35 1.1713 -9 1 17 4 82.91 1.07 1.1644 2 6 15 4 82.96 2.20 1.1639 -2 6 17 4 83.01 1.27 1.1633 7 7 5 4 83.09 1.63 1.1624 5 9 2 4 83.99 1.98 1.1522 -11 3 1 4 84.05 1.32 1.1515 -6 6 16 4 84.66 1.17 1.1448 8 4 9 4 85.22 2.75 1.1387 11 3 0 4 85.81 1.45 1.1324 5 9 4 4 85.86 1.55 1.1319 -8 6 14 4 86.11 1.14 1.1292 1 7 15 4 86.49 1.06 1.1252 6 8 6 4 86.52 1.63 1.1249 -4 10 3 4 86.85 1.95 1.1215 -8 8 4 4 87.00 1.73 1.1200 2 6 16 4 87.40 1.74 1.1159 -6 6 17 4 87.50 1.13 1.1149 4 10 1 4 87.64 2.09 1.1134 -12 0 2 2 87.86 1.84 1.1112 4 0 18 2 87.99 1.07 1.1099 8 4 10 4 88.34 1.12 1.1064 5 3 16 4 89.88 1.34 1.0914 -2 10 9 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.