Topaz Gatta G D, Nestola F, Ballaran T B Physics and Chemistry of Minerals 33 (2006) 235-242 Elastic behaviour and structural evolution of topaz at high pressure Locality: Ouro Preto, Minas Gerias, Brazil Sample: P = 3.14 GPa _database_code_amcsd 0009027 CELL PARAMETERS: 4.6325 8.7938 8.3254 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 339.154 Density (g/cm3): 3.604 MAX. ABS. INTENSITY / VOLUME**2: 7.615359828 RIR: 0.688 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.20 4.57 4.3969 0 2 0 2 21.35 1.25 4.1627 0 0 2 2 21.68 8.94 4.0986 1 1 0 4 22.87 4.27 3.8880 0 2 1 4 24.20 67.96 3.6771 1 1 1 8 27.98 80.75 3.1891 1 2 0 4 29.55 34.65 3.0229 0 2 2 4 30.01 18.42 2.9781 1 2 1 8 30.61 100.00 2.9205 1 1 2 8 36.27 24.73 2.4770 1 3 0 4 37.79 8.39 2.3806 1 0 3 4 37.90 20.09 2.3742 1 3 1 8 38.36 48.62 2.3468 0 2 3 4 39.20 8.52 2.2979 1 1 3 8 40.26 3.74 2.2399 2 1 0 4 41.06 9.87 2.1985 0 4 0 2 41.76 13.67 2.1629 2 1 1 8 42.53 4.75 2.1256 0 4 1 4 43.22 58.72 2.0935 1 2 3 8 44.20 27.87 2.0493 2 2 0 4 45.68 6.79 1.9861 1 4 0 4 46.01 3.75 1.9724 2 1 2 8 46.73 2.55 1.9440 0 4 2 4 47.04 4.26 1.9319 1 4 1 8 49.09 22.95 1.8558 1 1 4 8 49.31 26.39 1.8480 1 3 3 8 50.20 12.13 1.8174 2 3 0 4 50.94 5.90 1.7926 1 4 2 8 51.47 4.93 1.7755 2 3 1 8 55.14 27.60 1.6655 2 3 2 8 55.76 8.75 1.6485 2 2 3 8 57.02 13.13 1.6151 1 4 3 8 57.82 3.07 1.5946 2 4 0 4 58.94 1.18 1.5669 1 0 5 4 58.98 1.20 1.5661 2 4 1 8 59.97 1.29 1.5426 1 1 5 8 60.75 7.97 1.5247 2 1 4 8 60.94 19.41 1.5204 2 3 3 8 61.34 3.03 1.5114 0 4 4 4 62.36 1.14 1.4890 2 4 2 8 62.97 2.06 1.4760 1 2 5 8 63.89 10.46 1.4569 3 2 0 4 64.56 4.99 1.4434 0 6 1 4 64.89 2.39 1.4369 1 4 4 8 64.98 1.92 1.4351 3 2 1 8 65.32 3.59 1.4285 3 1 2 8 66.05 38.14 1.4146 1 5 3 8 66.79 23.48 1.4007 2 5 0 4 67.50 24.30 1.3876 0 0 6 2 67.78 1.47 1.3826 2 4 3 8 67.82 8.10 1.3819 1 3 5 8 67.85 3.60 1.3813 2 5 1 8 68.55 5.21 1.3689 2 3 4 8 69.69 38.81 1.3493 3 0 3 4 70.47 4.67 1.3363 2 1 5 8 71.18 5.04 1.3247 1 6 2 8 73.00 4.13 1.2960 0 6 3 4 74.59 7.17 1.2724 1 2 6 8 75.04 1.91 1.2658 2 4 4 8 76.12 1.94 1.2505 2 5 3 8 76.21 1.68 1.2493 3 4 1 8 76.29 6.72 1.2481 1 6 3 8 76.99 2.67 1.2385 2 6 0 4 77.77 2.46 1.2280 3 1 4 8 78.00 1.50 1.2250 2 6 1 8 78.96 4.96 1.2125 1 7 0 4 79.11 4.55 1.2106 1 3 6 8 79.22 1.63 1.2091 3 4 2 8 80.08 2.40 1.1983 0 6 4 4 83.12 1.03 1.1621 2 5 4 8 83.29 2.29 1.1602 1 6 4 8 83.47 2.02 1.1581 4 0 0 2 84.28 3.09 1.1490 2 2 6 8 84.90 3.45 1.1422 1 1 7 8 85.34 1.39 1.1375 1 4 6 8 85.34 5.00 1.1374 4 1 1 8 88.70 1.50 1.1029 2 3 6 8 88.97 2.16 1.1002 0 6 5 4 89.07 2.85 1.0992 0 8 0 2 89.35 2.76 1.0965 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.