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 = 8.39 GPa _database_code_amcsd 0009029 CELL PARAMETERS: 4.5841 8.7308 8.2316 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 329.452 Density (g/cm3): 3.710 MAX. ABS. INTENSITY / VOLUME**2: 7.835907818 RIR: 0.688 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.34 4.55 4.3654 0 2 0 2 21.59 1.30 4.1158 0 0 2 2 21.90 8.82 4.0587 1 1 0 4 23.06 4.19 3.8566 0 2 1 4 24.45 65.32 3.6402 1 1 1 8 28.23 75.84 3.1613 1 2 0 4 29.84 32.76 2.9947 0 2 2 4 30.29 18.27 2.9511 1 2 1 8 30.94 100.00 2.8899 1 1 2 8 36.57 26.74 2.4570 1 3 0 4 38.23 7.25 2.3543 1 0 3 4 38.23 21.61 2.3543 1 3 1 8 38.76 49.80 2.3231 0 2 3 4 39.31 1.28 2.2920 2 0 0 2 39.65 9.28 2.2731 1 1 3 8 40.70 3.31 2.2169 2 1 0 4 41.37 10.60 2.1827 0 4 0 2 42.22 14.59 2.1407 2 1 1 8 42.86 4.83 2.1098 0 4 1 4 43.68 58.85 2.0722 1 2 3 8 44.65 31.53 2.0293 2 2 0 4 46.06 5.97 1.9707 1 4 0 4 46.53 4.23 1.9518 2 1 2 8 47.13 3.05 1.9283 0 4 2 4 47.44 3.95 1.9165 1 4 1 8 49.67 21.60 1.8354 1 1 4 8 49.82 28.03 1.8304 1 3 3 8 50.70 11.48 1.8007 2 3 0 4 51.41 5.91 1.7775 1 4 2 8 51.99 4.38 1.7591 2 3 1 8 55.72 25.78 1.6497 2 3 2 8 56.39 9.21 1.6316 2 2 3 8 57.58 13.69 1.6006 1 4 3 8 58.38 3.14 1.5806 2 4 0 4 59.56 1.30 1.5523 2 4 1 8 60.71 1.59 1.5256 1 1 5 8 61.48 6.54 1.5082 2 1 4 8 61.61 19.49 1.5054 2 3 3 8 61.98 2.72 1.4973 0 4 4 4 62.99 1.22 1.4756 2 4 2 8 63.74 2.04 1.4602 1 2 5 8 64.62 10.72 1.4422 3 2 0 4 65.10 5.03 1.4329 0 6 1 4 65.59 2.42 1.4233 1 4 4 8 65.73 2.22 1.4206 3 2 1 8 66.10 3.10 1.4136 3 1 2 8 66.69 40.49 1.4025 1 5 3 8 67.42 23.54 1.3890 2 5 0 4 68.38 25.19 1.3719 0 0 6 2 68.51 1.32 1.3696 2 4 3 8 68.51 3.24 1.3696 2 5 1 8 68.62 8.26 1.3677 1 3 5 8 69.35 5.23 1.3551 2 3 4 8 70.55 40.85 1.3350 3 0 3 4 71.36 4.87 1.3217 2 1 5 8 71.82 1.00 1.3144 0 4 5 4 71.83 5.10 1.3143 1 6 2 8 73.69 3.94 1.2855 0 6 3 4 75.55 6.80 1.2585 1 2 6 8 75.90 1.84 1.2536 2 4 4 8 76.94 1.82 1.2393 2 5 3 8 77.04 6.87 1.2378 1 6 3 8 77.06 1.68 1.2375 3 4 1 8 77.74 3.09 1.2285 2 6 0 4 78.76 1.04 1.2150 2 3 5 8 78.76 1.71 1.2150 2 6 1 8 78.78 2.04 1.2149 3 1 4 8 79.67 5.09 1.2035 1 7 0 4 80.12 4.87 1.1978 1 3 6 8 80.14 1.68 1.1976 3 4 2 8 80.91 2.14 1.1881 0 6 4 4 84.18 2.32 1.1501 1 6 4 8 84.55 1.57 1.1460 4 0 0 2 85.42 3.75 1.1366 2 2 6 8 86.08 3.02 1.1295 1 1 7 8 86.42 1.25 1.1260 1 4 6 8 86.45 5.03 1.1256 4 1 1 8 89.88 3.17 1.0913 0 8 0 2 89.89 1.66 1.0913 2 3 6 8 89.99 2.41 1.0903 0 6 5 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.