Sillimanite Yang H, Hazen R M, Finger L W, Prewitt C T, Downs R T Physics and Chemistry of Minerals 25 (1997) 39-47 Compressibility and crystal structure of sillimanite, Al2SiO5, at high pressure Sample: P = 2.54 GPa _database_code_amcsd 0008109 CELL PARAMETERS: 7.4537 7.6238 5.7560 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 327.088 Density (g/cm3): 3.290 MAX. ABS. INTENSITY / VOLUME**2: 11.14354939 RIR: 1.103 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.63 19.82 5.3297 1 1 0 4 19.48 3.36 4.5557 1 0 1 4 23.88 6.97 3.7269 2 0 0 2 26.26 79.12 3.3938 1 2 0 4 26.62 100.00 3.3482 2 1 0 4 30.58 1.10 2.9235 1 2 1 8 30.90 1.04 2.8942 2 1 1 8 31.07 17.64 2.8780 0 0 2 2 33.63 28.08 2.6648 2 2 0 4 35.45 50.56 2.5324 1 1 2 8 37.39 10.97 2.4053 1 3 0 4 38.09 1.25 2.3623 3 1 0 4 39.22 1.37 2.2969 0 2 2 4 39.56 9.38 2.2779 2 0 2 4 41.12 68.73 2.1950 1 2 2 8 43.08 14.81 2.0996 2 3 0 4 43.48 3.01 2.0815 3 2 0 4 46.01 1.87 1.9725 2 3 1 8 46.44 1.12 1.9553 2 2 2 8 48.88 8.70 1.8634 4 0 0 2 49.95 7.78 1.8260 3 1 2 8 50.41 1.63 1.8101 4 1 0 4 51.44 2.74 1.7766 3 3 0 4 54.04 8.54 1.6969 2 4 0 4 54.40 7.48 1.6866 3 2 2 8 54.84 14.51 1.6741 4 2 0 4 58.04 16.85 1.5891 0 4 2 4 59.06 8.82 1.5642 4 0 2 4 59.48 3.48 1.5542 1 4 2 8 60.41 1.63 1.5323 4 1 2 8 61.32 42.28 1.5117 3 3 2 8 64.38 4.27 1.4471 4 2 2 8 64.79 18.28 1.4390 0 0 4 2 66.22 3.85 1.4112 2 5 0 4 67.46 6.15 1.3883 5 2 0 4 70.70 4.50 1.3324 4 4 0 4 71.10 13.36 1.3259 1 5 2 8 71.17 6.62 1.3248 1 2 4 8 71.34 7.86 1.3221 2 1 4 8 72.47 3.17 1.3042 5 1 2 8 72.77 1.31 1.2996 3 5 0 4 74.71 1.96 1.2706 0 6 0 2 74.95 13.60 1.2671 2 5 2 8 75.01 3.91 1.2662 2 2 4 8 76.12 11.61 1.2505 5 2 2 8 76.71 4.08 1.2423 6 0 0 2 77.26 3.60 1.2349 1 3 4 8 77.70 1.20 1.2289 3 1 4 8 77.92 1.82 1.2261 6 1 0 4 79.22 2.73 1.2091 4 4 2 8 81.00 1.79 1.1870 2 3 4 8 82.09 3.58 1.1740 5 3 2 8 85.20 2.04 1.1389 4 0 4 4 87.17 1.05 1.1182 3 3 4 8 88.01 1.17 1.1097 2 6 2 8 89.24 3.25 1.0975 2 4 4 8 89.74 1.24 1.0927 6 2 2 8 89.83 1.54 1.0918 4 5 2 8 89.89 5.32 1.0913 4 2 4 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.