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 = 298 K _database_code_amcsd 0004244 CELL PARAMETERS: 4.6670 8.8340 8.3950 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 346.111 Density (g/cm3): 3.515 MAX. ABS. INTENSITY / VOLUME**2: 7.577676807 RIR: 0.702 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.10 4.21 4.4170 0 2 0 2 21.17 1.08 4.1975 0 0 2 2 21.53 8.59 4.1265 1 1 0 4 22.75 4.26 3.9090 0 2 1 4 24.03 68.40 3.7033 1 1 1 8 27.81 81.40 3.2080 1 2 0 4 29.35 34.95 3.0427 0 2 2 4 29.81 19.31 2.9967 1 2 1 8 30.38 100.00 2.9427 1 1 2 8 36.07 24.03 2.4904 1 3 0 4 37.47 7.64 2.4000 1 0 3 4 37.68 18.56 2.3875 1 3 1 8 38.07 48.45 2.3639 0 2 3 4 38.89 7.48 2.3160 1 1 3 8 39.96 3.14 2.2561 2 1 0 4 40.86 9.48 2.2085 0 4 0 2 41.44 13.17 2.1788 2 1 1 8 42.32 4.51 2.1358 0 4 1 4 42.89 55.48 2.1088 1 2 3 8 43.88 28.76 2.0633 2 2 0 4 45.43 6.79 1.9963 1 4 0 4 45.65 3.23 1.9873 2 1 2 8 46.46 2.37 1.9545 0 4 2 4 46.78 4.51 1.9421 1 4 1 8 48.67 23.52 1.8707 1 1 4 8 48.96 25.80 1.8604 1 3 3 8 49.86 11.17 1.8289 2 3 0 4 50.63 6.23 1.8028 1 4 2 8 51.11 5.15 1.7870 2 3 1 8 54.75 29.37 1.6766 2 3 2 8 55.32 9.07 1.6607 2 2 3 8 56.64 13.27 1.6251 1 4 3 8 57.45 2.79 1.6040 2 4 0 4 58.41 1.34 1.5799 1 0 5 4 58.59 1.08 1.5755 2 4 1 8 59.43 1.22 1.5552 1 1 5 8 60.22 8.81 1.5367 2 1 4 8 60.47 19.83 1.5309 2 3 3 8 60.89 3.34 1.5214 0 4 4 4 61.93 1.27 1.4983 2 4 2 8 62.43 2.30 1.4876 1 2 5 8 63.39 10.66 1.4673 3 2 0 4 64.23 5.15 1.4502 0 6 1 4 64.41 2.51 1.4464 1 4 4 8 64.47 1.96 1.4454 3 2 1 8 64.78 3.80 1.4392 3 1 2 8 65.62 38.62 1.4228 1 5 3 8 66.36 23.85 1.4086 2 5 0 4 66.87 24.01 1.3992 0 0 6 2 67.25 8.29 1.3922 1 3 5 8 67.28 1.33 1.3916 2 4 3 8 67.41 3.50 1.3892 2 5 1 8 67.99 5.06 1.3788 2 3 4 8 69.08 38.57 1.3597 3 0 3 4 69.83 4.76 1.3469 2 1 5 8 70.75 5.18 1.3316 1 6 2 8 72.55 4.08 1.3030 0 6 3 4 73.90 7.47 1.2825 1 2 6 8 74.45 2.25 1.2744 2 4 4 8 75.57 2.02 1.2582 2 5 3 8 75.62 1.60 1.2575 3 4 1 8 75.80 6.24 1.2550 1 6 3 8 76.50 2.59 1.2452 2 6 0 4 77.07 2.69 1.2374 3 1 4 8 77.50 1.56 1.2317 2 6 1 8 78.39 4.65 1.2198 1 3 6 8 78.52 5.32 1.2182 1 7 0 4 78.60 1.65 1.2172 3 4 2 8 79.52 2.79 1.2053 0 6 4 4 82.47 1.18 1.1696 2 5 4 8 82.69 2.35 1.1670 1 6 4 8 82.71 2.09 1.1667 4 0 0 2 83.48 3.13 1.1580 2 2 6 8 84.04 4.09 1.1516 1 1 7 8 84.56 5.09 1.1459 4 1 1 8 84.57 1.40 1.1458 1 4 6 8 87.85 1.30 1.1113 2 3 6 8 88.28 2.24 1.1070 0 6 5 4 88.49 3.20 1.1049 3 2 5 8 88.56 2.88 1.1042 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.