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 = 5.29 GPa _database_code_amcsd 0008111 CELL PARAMETERS: 7.4146 7.5739 5.7450 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 322.624 Density (g/cm3): 3.336 MAX. ABS. INTENSITY / VOLUME**2: 11.23654590 RIR: 1.097 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.73 21.04 5.2983 1 1 0 4 19.55 3.71 4.5413 1 0 1 4 24.00 6.83 3.7073 2 0 0 2 26.43 77.05 3.3725 1 2 0 4 26.77 100.00 3.3298 2 1 0 4 30.74 1.08 2.9084 1 2 1 8 31.04 1.10 2.8809 2 1 1 8 31.14 17.81 2.8725 0 0 2 2 33.84 28.64 2.6492 2 2 0 4 35.55 51.15 2.5253 1 1 2 8 37.64 10.47 2.3899 1 3 0 4 38.31 1.25 2.3496 3 1 0 4 39.37 1.15 2.2886 0 2 2 4 39.69 9.25 2.2707 2 0 2 4 41.28 69.33 2.1868 1 2 2 8 43.36 15.06 2.0867 2 3 0 4 43.74 2.92 2.0697 3 2 0 4 46.29 2.05 1.9614 2 3 1 8 46.64 1.14 1.9474 2 2 2 8 49.15 8.72 1.8536 4 0 0 2 50.16 7.58 1.8187 3 1 2 8 50.70 1.76 1.8005 4 1 0 4 51.76 2.50 1.7661 3 3 0 4 54.41 8.28 1.6863 2 4 0 4 54.66 7.56 1.6792 3 2 2 8 55.17 14.54 1.6649 4 2 0 4 58.37 16.27 1.5809 0 4 2 4 59.34 8.82 1.5575 4 0 2 4 59.82 3.91 1.5462 1 4 2 8 60.71 1.60 1.5256 4 1 2 8 61.65 42.29 1.5045 3 3 2 8 64.71 4.14 1.4404 4 2 2 8 64.93 18.38 1.4362 0 0 4 2 66.70 3.79 1.4022 2 5 0 4 67.88 5.89 1.3808 5 2 0 4 71.18 4.42 1.3246 4 4 0 4 71.38 6.47 1.3214 1 2 4 8 71.54 7.89 1.3188 2 1 4 8 71.56 13.87 1.3185 1 5 2 8 72.86 3.12 1.2982 5 1 2 8 73.30 1.37 1.2915 3 5 0 4 75.26 4.02 1.2626 2 2 4 8 75.28 2.06 1.2623 0 6 0 2 75.44 12.86 1.2601 2 5 2 8 76.55 11.49 1.2445 5 2 2 8 77.19 3.98 1.2358 6 0 0 2 77.55 3.49 1.2310 1 3 4 8 77.97 1.20 1.2254 3 1 4 8 78.41 1.79 1.2196 6 1 0 4 79.72 2.52 1.2029 4 4 2 8 81.33 1.85 1.1831 2 3 4 8 82.59 3.48 1.1682 5 3 2 8 85.54 2.03 1.1353 4 0 4 4 88.65 1.20 1.1033 2 6 2 8 89.67 3.19 1.0934 2 4 4 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.