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 = 5.79 GPa _database_code_amcsd 0009028 CELL PARAMETERS: 4.6071 8.7614 8.2765 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 334.078 Density (g/cm3): 3.659 MAX. ABS. INTENSITY / VOLUME**2: 7.728240143 RIR: 0.688 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.27 4.36 4.3807 0 2 0 2 21.47 1.41 4.1382 0 0 2 2 21.80 8.91 4.0777 1 1 0 4 22.97 4.05 3.8718 0 2 1 4 24.33 67.46 3.6579 1 1 1 8 28.11 78.29 3.1746 1 2 0 4 29.70 33.14 3.0082 0 2 2 4 30.15 17.80 2.9641 1 2 1 8 30.78 100.00 2.9045 1 1 2 8 36.42 25.11 2.4666 1 3 0 4 38.02 7.63 2.3669 1 0 3 4 38.07 21.21 2.3639 1 3 1 8 38.57 49.08 2.3345 0 2 3 4 39.10 1.09 2.3036 2 0 0 2 39.44 9.08 2.2850 1 1 3 8 40.49 3.69 2.2278 2 1 0 4 41.21 9.95 2.1904 0 4 0 2 42.00 14.35 2.1513 2 1 1 8 42.70 4.48 2.1175 0 4 1 4 43.46 58.94 2.0824 1 2 3 8 44.43 29.42 2.0389 2 2 0 4 45.87 6.45 1.9782 1 4 0 4 46.28 3.82 1.9616 2 1 2 8 46.93 2.50 1.9359 0 4 2 4 47.24 3.91 1.9240 1 4 1 8 49.39 21.96 1.8452 1 1 4 8 49.57 27.15 1.8388 1 3 3 8 50.46 11.86 1.8086 2 3 0 4 51.18 5.82 1.7847 1 4 2 8 51.74 4.60 1.7669 2 3 1 8 55.44 26.74 1.6573 2 3 2 8 56.09 9.40 1.6397 2 2 3 8 57.31 13.01 1.6076 1 4 3 8 58.11 3.11 1.5873 2 4 0 4 59.28 1.31 1.5589 2 4 1 8 59.32 1.06 1.5578 1 0 5 4 60.35 1.39 1.5337 1 1 5 8 61.13 7.18 1.5161 2 1 4 8 61.28 18.88 1.5126 2 3 3 8 61.67 2.81 1.5041 0 4 4 4 62.69 1.20 1.4820 2 4 2 8 63.37 2.12 1.4678 1 2 5 8 64.27 10.51 1.4492 3 2 0 4 64.84 4.91 1.4380 0 6 1 4 65.25 2.39 1.4298 1 4 4 8 65.37 2.11 1.4275 3 2 1 8 65.73 3.04 1.4207 3 1 2 8 66.38 39.08 1.4083 1 5 3 8 67.12 23.19 1.3946 2 5 0 4 67.96 24.48 1.3794 0 0 6 2 68.16 1.45 1.3758 2 4 3 8 68.19 3.32 1.3752 2 5 1 8 68.23 8.33 1.3745 1 3 5 8 68.96 5.08 1.3617 2 3 4 8 70.13 39.80 1.3418 3 0 3 4 70.93 4.71 1.3287 2 1 5 8 71.51 4.99 1.3193 1 6 2 8 73.36 4.02 1.2906 0 6 3 4 75.09 6.86 1.2651 1 2 6 8 75.49 1.84 1.2594 2 4 4 8 76.54 1.80 1.2446 2 5 3 8 76.65 1.60 1.2432 3 4 1 8 76.68 6.73 1.2428 1 6 3 8 77.38 2.85 1.2333 2 6 0 4 78.29 2.00 1.2211 3 1 4 8 78.30 1.01 1.2211 2 3 5 8 78.39 1.70 1.2198 2 6 1 8 79.32 5.05 1.2078 1 7 0 4 79.63 4.54 1.2039 1 3 6 8 79.70 1.57 1.2031 3 4 2 8 80.51 2.29 1.1931 0 6 4 4 83.75 2.26 1.1550 1 6 4 8 84.03 1.69 1.1518 4 0 0 2 84.87 3.34 1.1425 2 2 6 8 85.51 3.26 1.1356 1 1 7 8 85.90 1.31 1.1315 1 4 6 8 85.92 4.98 1.1312 4 1 1 8 89.31 1.58 1.0968 2 3 6 8 89.49 2.92 1.0952 0 8 0 2 89.50 2.24 1.0950 0 6 5 4 89.99 2.80 1.0904 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.