Tetradymite Pauling L American Mineralogist 60 (1975) 994-997 The formula, structure, and chemical bonding of tetradymite, Bi14Te13S8, and the Phase Bi14Te15S6 cell parameters were computed from those provided in the rhombohedral setting _database_code_amcsd 0000474 CELL PARAMETERS: 10.7000 10.7000 28.1700 90.000 90.000 120.000 SPACE GROUP: R-3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 2793.091 Density (g/cm3): 8.633 MAX. ABS. INTENSITY / VOLUME**2: 358.8850444 RIR: 13.536 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.42 29.97 9.3900 0 0 3 2 11.43 2.68 7.7414 0 1 2 6 18.90 16.03 4.6950 0 0 6 2 25.63 20.09 3.4756 3 -1 1 6 26.22 3.65 3.3989 1 2 2 6 28.46 10.44 3.1360 3 -1 4 6 28.52 2.30 3.1300 0 0 9 2 29.40 1.96 3.0382 0 2 7 6 30.04 99.82 2.9745 1 2 5 6 30.47 2.88 2.9342 0 3 3 6 30.47 1.04 2.9342 3 0 3 6 31.92 1.46 2.8035 2 0 8 6 33.93 13.69 2.6419 3 -1 7 6 34.87 1.69 2.5726 4 -2 3 6 35.51 1.46 2.5283 4 -1 2 6 35.51 1.04 2.5283 3 1 2 6 36.17 25.40 2.4832 1 2 8 6 37.24 1.38 2.4143 1 3 4 6 38.34 5.77 2.3475 0 0 12 2 41.05 1.69 2.1985 3 0 9 6 41.12 17.88 2.1951 3 -1 10 6 43.03 1.40 2.1021 -2 5 2 6 43.79 2.36 2.0672 1 2 11 6 44.52 1.06 2.0352 5 -2 4 6 44.82 33.57 2.0221 4 1 0 6 45.91 1.58 1.9768 4 1 3 6 45.91 1.50 1.9768 -1 5 3 6 45.91 1.10 1.9768 5 -1 3 6 49.05 2.71 1.8572 -1 5 6 6 49.05 2.74 1.8572 4 1 6 6 49.46 20.38 1.8427 3 -1 13 6 49.61 1.05 1.8375 5 0 2 6 52.21 1.10 1.7520 6 -3 3 6 52.34 2.02 1.7478 2 4 1 6 53.95 1.29 1.6994 2 4 4 6 54.90 12.81 1.6723 6 -2 5 6 56.84 1.23 1.6197 6 -1 4 6 57.38 2.17 1.6058 2 4 7 6 58.90 4.11 1.5680 6 -2 8 6 59.02 4.95 1.5650 0 0 18 2 60.42 3.08 1.5321 -1 5 12 6 60.42 3.08 1.5321 4 1 12 6 61.95 3.12 1.4979 1 2 17 6 62.44 3.27 1.4872 2 4 10 6 68.94 5.46 1.3620 2 4 13 6 73.49 3.44 1.2887 5 3 5 6 73.49 3.52 1.2887 0 7 5 6 76.95 1.61 1.2391 5 3 8 6 76.95 1.52 1.2391 0 7 8 6 77.06 4.70 1.2376 -1 5 18 6 77.06 4.72 1.2376 4 1 18 6 80.10 1.29 1.1981 -3 8 10 6 80.10 1.21 1.1981 7 0 10 6 83.64 3.29 1.1561 1 2 23 6 86.07 1.97 1.1297 -3 8 13 6 86.07 2.04 1.1297 7 0 13 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.