Topaz Diego Gatta G, Nestola F, Bromiley G D, Loose A American Mineralogist 91 (2006) 1839-1846 New insight into crystal chemistry of topaz: a multi-methodological study Locality: Ouro Preto, Minas Gerias, Brazil Sample: Neutron refinement at T = 10 K _database_code_amcsd 0004245 CELL PARAMETERS: 4.6570 8.8380 8.4260 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 346.802 Density (g/cm3): 3.508 MAX. ABS. INTENSITY / VOLUME**2: 7.551424326 RIR: 0.701 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.09 4.14 4.4190 0 2 0 2 21.09 1.12 4.2130 0 0 2 2 21.57 8.68 4.1200 1 1 0 4 22.72 4.39 3.9135 0 2 1 4 24.04 68.34 3.7013 1 1 1 8 27.83 80.67 3.2055 1 2 0 4 29.29 35.31 3.0493 0 2 2 4 29.82 19.33 2.9961 1 2 1 8 30.34 100.00 2.9456 1 1 2 8 36.08 24.13 2.4897 1 3 0 4 37.39 7.65 2.4051 1 0 3 4 37.67 18.90 2.3876 1 3 1 8 37.96 49.30 2.3704 0 2 3 4 38.80 7.71 2.3207 1 1 3 8 40.04 3.21 2.2517 2 1 0 4 40.84 9.71 2.2095 0 4 0 2 41.51 13.31 2.1753 2 1 1 8 42.29 4.53 2.1372 0 4 1 4 42.81 56.70 2.1125 1 2 3 8 43.95 29.18 2.0600 2 2 0 4 45.44 6.68 1.9962 1 4 0 4 45.69 3.15 1.9858 2 1 2 8 46.41 2.35 1.9567 0 4 2 4 46.77 4.48 1.9425 1 4 1 8 48.54 23.75 1.8756 1 1 4 8 48.89 26.58 1.8631 1 3 3 8 49.92 11.32 1.8268 2 3 0 4 50.60 6.35 1.8040 1 4 2 8 51.17 5.08 1.7853 2 3 1 8 54.77 29.50 1.6760 2 3 2 8 55.30 9.31 1.6611 2 2 3 8 56.56 13.35 1.6271 1 4 3 8 57.50 2.86 1.6028 2 4 0 4 58.22 1.39 1.5846 1 0 5 4 58.63 1.12 1.5745 2 4 1 8 59.24 1.20 1.5598 1 1 5 8 60.15 8.84 1.5383 2 1 4 8 60.45 20.04 1.5314 2 3 3 8 60.75 3.39 1.5246 0 4 4 4 61.94 1.28 1.4980 2 4 2 8 62.24 2.39 1.4916 1 2 5 8 63.52 10.76 1.4646 3 2 0 4 64.19 5.17 1.4510 0 6 1 4 64.29 2.57 1.4490 1 4 4 8 64.59 2.02 1.4430 3 2 1 8 64.88 3.73 1.4372 3 1 2 8 65.54 39.72 1.4243 1 5 3 8 66.40 24.26 1.4079 2 5 0 4 66.59 24.85 1.4043 0 0 6 2 67.06 8.60 1.3956 1 3 5 8 67.26 1.31 1.3921 2 4 3 8 67.44 3.51 1.3886 2 5 1 8 67.92 5.09 1.3801 2 3 4 8 69.14 39.47 1.3586 3 0 3 4 69.70 4.84 1.3492 2 1 5 8 70.71 5.24 1.3323 1 6 2 8 72.45 4.13 1.3045 0 6 3 4 73.64 7.60 1.2863 1 2 6 8 74.37 2.31 1.2755 2 4 4 8 75.54 2.06 1.2586 2 5 3 8 75.72 6.46 1.2561 1 6 3 8 75.73 1.61 1.2560 3 4 1 8 76.53 2.67 1.2448 2 6 0 4 77.08 2.66 1.2374 3 1 4 8 77.51 1.62 1.2315 2 6 1 8 78.14 4.80 1.2232 1 3 6 8 78.49 5.45 1.2186 1 7 0 4 78.68 1.66 1.2161 3 4 2 8 79.38 2.84 1.2071 0 6 4 4 82.39 1.16 1.1705 2 5 4 8 82.56 2.42 1.1685 1 6 4 8 82.93 2.07 1.1643 4 0 0 2 83.27 3.30 1.1604 2 2 6 8 83.71 4.25 1.1554 1 1 7 8 84.32 1.41 1.1486 1 4 6 8 84.77 5.14 1.1436 4 1 1 8 87.64 1.40 1.1134 2 3 6 8 88.07 2.28 1.1091 0 6 5 4 88.43 3.35 1.1054 3 2 5 8 88.51 3.03 1.1048 0 8 0 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.