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: X-ray refinement at T = 298 K Note: x(F4) corrected _database_code_amcsd 0004243 CELL PARAMETERS: 4.6601 8.8260 8.3778 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 344.579 Density (g/cm3): 3.547 MAX. ABS. INTENSITY / VOLUME**2: 7.601410986 RIR: 0.698 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.12 3.97 4.4130 0 2 0 2 21.21 1.54 4.1889 0 0 2 2 21.56 8.66 4.1209 1 1 0 4 22.78 4.22 3.9044 0 2 1 4 24.07 69.87 3.6978 1 1 1 8 27.84 80.94 3.2043 1 2 0 4 29.40 37.32 3.0381 0 2 2 4 29.85 19.75 2.9928 1 2 1 8 30.43 100.00 2.9377 1 1 2 8 36.11 24.08 2.4877 1 3 0 4 37.55 8.17 2.3954 1 0 3 4 37.72 18.57 2.3848 1 3 1 8 38.14 48.57 2.3598 0 2 3 4 38.96 8.09 2.3118 1 1 3 8 40.02 3.70 2.2529 2 1 0 4 40.90 9.84 2.2065 0 4 0 2 41.51 13.20 2.1756 2 1 1 8 42.36 4.51 2.1337 0 4 1 4 42.96 57.15 2.1053 1 2 3 8 43.19 1.01 2.0944 0 0 4 2 43.94 28.33 2.0605 2 2 0 4 45.48 6.68 1.9942 1 4 0 4 45.73 2.96 1.9841 2 1 2 8 46.52 2.15 1.9522 0 4 2 4 46.83 4.38 1.9400 1 4 1 8 48.77 23.36 1.8671 1 1 4 8 49.04 26.50 1.8576 1 3 3 8 49.93 11.82 1.8266 2 3 0 4 50.70 6.20 1.8006 1 4 2 8 51.19 5.14 1.7846 2 3 1 8 54.83 29.73 1.6743 2 3 2 8 55.42 9.09 1.6580 2 2 3 8 56.72 12.76 1.6229 1 4 3 8 57.53 2.88 1.6021 2 4 0 4 58.54 1.43 1.5767 1 0 5 4 58.67 1.10 1.5736 2 4 1 8 59.56 1.07 1.5522 1 1 5 8 60.34 8.76 1.5339 2 1 4 8 60.57 19.80 1.5286 2 3 3 8 60.99 3.30 1.5191 0 4 4 4 62.02 1.21 1.4964 2 4 2 8 62.56 2.38 1.4848 1 2 5 8 63.49 10.66 1.4652 3 2 0 4 64.29 5.15 1.4488 0 6 1 4 64.52 2.49 1.4443 1 4 4 8 64.57 2.00 1.4433 3 2 1 8 64.89 3.71 1.4370 3 1 2 8 65.71 39.09 1.4210 1 5 3 8 66.45 24.27 1.4070 2 5 0 4 67.02 24.10 1.3963 0 0 6 2 67.38 8.60 1.3897 1 3 5 8 67.39 1.30 1.3897 2 4 3 8 67.50 3.45 1.3876 2 5 1 8 68.11 4.94 1.3766 2 3 4 8 69.21 38.91 1.3575 3 0 3 4 69.98 4.78 1.3445 2 1 5 8 70.84 5.18 1.3302 1 6 2 8 72.65 4.02 1.3015 0 6 3 4 74.06 7.36 1.2800 1 2 6 8 74.58 2.24 1.2725 2 4 4 8 75.69 2.00 1.2565 2 5 3 8 75.74 1.58 1.2558 3 4 1 8 75.90 6.37 1.2535 1 6 3 8 76.60 2.56 1.2439 2 6 0 4 77.22 2.63 1.2354 3 1 4 8 77.60 1.57 1.2304 2 6 1 8 78.56 4.63 1.2176 1 3 6 8 78.60 5.32 1.2171 1 7 0 4 78.73 1.64 1.2155 3 4 2 8 79.65 2.78 1.2038 0 6 4 4 82.61 1.17 1.1679 2 5 4 8 82.82 2.33 1.1655 1 6 4 8 82.86 2.14 1.1650 4 0 0 2 83.66 3.11 1.1559 2 2 6 8 84.25 4.04 1.1493 1 1 7 8 84.72 5.07 1.1442 4 1 1 8 84.75 1.37 1.1438 1 4 6 8 88.05 1.35 1.1093 2 3 6 8 88.44 2.24 1.1054 0 6 5 4 88.66 2.91 1.1033 0 8 0 2 88.68 3.23 1.1030 3 2 5 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.