Andalusite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050449 Winter J K, Ghose S American Mineralogist 64 (1979) 573-586 Thermal expansion and high-temperature crystal chemistry of the Al2SiO5 polymorphs T = 25 deg C CELL PARAMETERS: 7.795518 7.899244 5.556074 90.00000 90.00000 90.00000 SPACE GROUP: Pnnm X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 15.98 99.56 5.5486 1 1 0 19.53 69.89 4.5445 0 1 1 19.62 100.00 4.5245 1 0 1 22.51 3.26 3.9496 0 2 0 22.65 54.03 3.9261 1 1 1 22.81 4.41 3.8978 2 0 0 25.27 31.11 3.5232 1 2 0 25.48 25.21 3.4954 2 1 0 32.21 22.78 2.7780 0 0 2 32.26 71.82 2.7743 2 2 0 35.99 5.52 2.4946 1 3 0 36.15 33.15 2.4841 1 1 2 36.18 4.37 2.4821 2 2 1 36.38 24.18 2.4684 3 1 0 37.79 11.39 2.3794 0 3 1 38.22 10.56 2.3538 3 0 1 39.58 18.28 2.2758 1 3 1 39.65 37.12 2.2723 0 2 2 39.95 27.35 2.2558 3 1 1 41.37 26.13 2.1815 1 2 2 41.50 25.98 2.1748 2 1 2 41.58 32.00 2.1708 3 2 0 45.93 6.24 1.9748 0 4 0 46.58 3.68 1.9489 4 0 0 47.47 1.17 1.9143 1 4 0 48.06 5.00 1.8921 4 1 0 49.06 8.49 1.8561 1 3 2 50.39 6.87 1.8099 1 4 1 50.60 7.71 1.8031 0 1 3 50.63 3.70 1.8019 1 0 3 50.96 9.10 1.7911 4 1 1 52.03 1.99 1.7567 1 1 3 52.09 9.81 1.7548 3 3 1 53.36 3.11 1.7159 2 3 2 54.63 2.59 1.6792 2 4 1 57.20 4.38 1.6096 0 4 2 57.75 17.51 1.5954 4 0 2 59.68 3.45 1.5484 1 5 0 60.03 1.12 1.5403 2 2 3 60.06 20.71 1.5395 3 3 2 60.49 6.38 1.5296 5 1 0 60.93 1.32 1.5196 0 5 1 61.14 2.49 1.5148 0 3 3 61.23 3.26 1.5129 3 4 1 61.44 2.68 1.5082 3 0 3 61.46 3.76 1.5077 4 3 1 61.76 1.61 1.5011 5 0 1 62.20 11.88 1.4915 1 5 1 62.38 51.35 1.4877 2 4 2 62.41 6.49 1.4870 1 3 3 62.68 5.44 1.4814 3 1 3 62.78 13.73 1.4793 4 2 2 62.99 11.38 1.4747 5 1 1 63.50 4.47 1.4642 2 5 0 67.38 22.60 1.3890 0 0 4 67.48 12.40 1.3871 4 4 0 69.45 1.28 1.3525 1 5 2 69.75 2.01 1.3474 1 1 4 70.20 2.90 1.3399 5 1 2 70.74 2.90 1.3311 1 4 3 71.20 1.19 1.3235 4 1 3 72.13 3.90 1.3087 3 3 3 72.43 1.13 1.3041 5 3 1 72.74 1.92 1.2993 6 0 0 72.81 1.30 1.2982 1 6 0 73.00 8.56 1.2953 2 5 2 73.20 1.90 1.2922 1 2 4 73.29 1.83 1.2908 2 1 4 73.64 10.56 1.2856 5 2 2 73.88 1.21 1.2820 6 1 0 76.29 3.80 1.2473 2 6 0 76.68 9.36 1.2420 2 2 4 76.75 11.55 1.2410 4 4 2 77.25 4.67 1.2342 6 2 0 78.77 4.89 1.2142 3 5 2 78.82 1.69 1.2136 1 3 4 79.05 4.12 1.2105 3 1 4 80.20 1.67 1.1960 4 3 3 80.28 2.09 1.1951 5 4 1 80.47 1.19 1.1927 5 0 3 80.72 2.92 1.1897 0 6 2 80.86 6.66 1.1879 1 5 3 81.57 4.38 1.1794 5 1 3 81.78 4.98 1.1769 6 0 2 81.99 1.37 1.1744 3 6 0 82.37 2.87 1.1700 3 2 4 87.23 1.10 1.1168 1 7 0 88.90 1.21 1.1001 1 0 5 89.43 2.06 1.0949 1 7 1 89.43 2.06 1.0949 1 7 1 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.