Anorthite Foit F F, Peacor D R American Mineralogist 58 (1973) 665-675 The anorthite crystal structure at 410 and 830 C T = 830 C _database_code_amcsd 0000371 CELL PARAMETERS: 8.2230 12.9150 14.2040 92.750 115.800 91.020 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1355.280 Density (g/cm3): 2.727 MAX. ABS. INTENSITY / VOLUME**2: 4.350243476 RIR: 0.520 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.93 7.84 6.8460 -1 -1 1 2 13.54 9.84 6.5377 -1 1 0 2 13.74 1.39 6.4441 0 2 0 2 15.11 1.52 5.8653 0 -1 2 2 17.29 1.25 5.1277 1 -1 1 2 17.64 2.53 5.0285 -1 -2 1 2 18.96 15.17 4.6817 0 -2 2 2 19.28 2.04 4.6026 -1 -2 2 2 20.47 1.02 4.3377 -1 1 3 2 20.88 2.10 4.2545 0 0 3 2 21.89 63.89 4.0600 -2 0 2 2 22.41 1.04 3.9676 0 1 3 2 22.66 12.98 3.9239 1 -1 2 2 23.35 1.19 3.8097 -1 3 1 2 23.50 36.07 3.7863 -1 3 0 2 23.50 20.08 3.7861 1 1 2 2 23.50 4.73 3.7851 -1 -3 1 2 24.02 1.30 3.7048 -2 0 3 2 24.40 41.20 3.6474 1 3 0 2 24.66 12.70 3.6107 -1 -3 2 2 25.24 3.82 3.5284 -1 3 2 2 25.65 4.96 3.4735 1 -3 1 2 25.73 17.28 3.4627 -1 -1 4 2 25.80 1.06 3.4536 0 2 3 2 25.84 2.31 3.4473 -2 2 2 2 26.03 7.50 3.4230 -2 -2 2 2 26.38 31.63 3.3783 -1 1 4 2 27.28 62.95 3.2688 -2 2 0 2 27.69 52.00 3.2220 0 4 0 2 27.83 100.00 3.2054 -2 0 4 2 27.96 91.55 3.1909 0 0 4 2 28.34 48.32 3.1496 2 2 0 2 29.39 24.05 3.0388 1 -3 2 2 30.29 29.05 2.9507 0 -4 2 2 30.48 18.70 2.9326 0 -2 4 2 30.84 7.42 2.8989 -2 -2 4 2 31.34 28.65 2.8544 1 3 2 2 31.89 1.01 2.8066 2 2 1 2 31.94 10.95 2.8022 -1 -3 4 2 32.79 1.95 2.7311 -2 0 5 2 33.53 16.96 2.6726 -1 3 4 2 33.84 2.08 2.6487 0 -4 3 2 34.85 1.89 2.5745 -3 -1 1 2 35.00 4.50 2.5638 2 -2 2 2 35.41 7.30 2.5351 1 -1 4 2 35.43 21.44 2.5335 -2 4 2 2 35.62 4.15 2.5203 -3 -1 4 2 35.69 2.71 2.5155 -3 1 4 2 35.71 32.01 2.5143 -2 -4 2 2 36.18 1.46 2.4828 -2 4 0 2 36.32 1.03 2.4736 1 1 4 2 36.54 3.71 2.4590 2 2 2 2 36.66 1.22 2.4513 -1 -5 1 2 36.82 4.81 2.4410 -3 1 0 2 37.07 1.19 2.4253 0 -2 5 2 37.27 3.97 2.4124 -1 -5 2 2 37.43 3.74 2.4026 3 1 0 2 37.44 1.41 2.4022 1 5 0 2 37.81 2.83 2.3792 2 4 0 2 37.95 4.45 2.3712 -1 5 2 2 38.64 6.99 2.3304 -3 3 2 2 38.64 1.25 2.3302 -3 -1 5 2 38.86 1.41 2.3177 -1 -1 6 2 39.22 2.18 2.2972 -1 -5 3 2 39.42 4.93 2.2861 -3 -3 2 2 39.63 3.98 2.2740 -1 1 6 2 40.17 2.18 2.2447 -2 4 4 2 40.31 4.10 2.2372 1 -5 2 2 40.64 1.84 2.2198 -3 -3 1 2 41.02 1.13 2.2002 0 4 4 2 41.05 1.01 2.1990 -3 3 4 2 41.43 1.73 2.1792 -3 3 0 2 41.64 2.94 2.1688 -2 2 6 2 42.06 10.09 2.1480 0 6 0 2 42.17 14.78 2.1430 2 -4 2 2 42.65 2.77 2.1197 -2 -4 5 2 42.79 10.67 2.1135 1 5 2 2 43.86 1.03 2.0640 0 -4 5 2 44.43 1.47 2.0390 -1 5 4 2 44.64 2.73 2.0300 -4 0 4 2 44.67 4.03 2.0286 -4 0 2 2 44.90 1.07 2.0189 2 0 4 2 45.00 2.12 2.0147 3 -1 2 2 45.23 2.60 2.0049 -1 3 6 2 45.37 4.04 1.9987 0 6 2 2 45.80 2.58 1.9811 3 1 2 2 46.27 2.62 1.9620 2 -2 4 2 46.81 9.66 1.9406 -4 2 4 2 47.02 1.75 1.9326 -3 -3 6 2 47.04 4.85 1.9319 -4 -2 4 2 47.35 1.60 1.9199 -4 -2 2 2 47.97 1.84 1.8964 -3 5 2 2 48.06 3.39 1.8932 -2 6 0 2 48.06 7.63 1.8930 2 2 4 2 48.08 1.26 1.8925 -2 -6 2 2 48.58 2.11 1.8742 -4 -2 5 2 48.71 1.98 1.8695 3 -3 2 2 49.08 1.31 1.8561 -2 4 6 2 49.19 8.72 1.8524 -4 0 6 2 49.28 14.40 1.8491 4 0 0 2 49.54 3.12 1.8400 1 -1 6 2 49.68 2.34 1.8353 0 -6 4 2 49.89 2.32 1.8281 0 -4 6 2 50.01 4.46 1.8237 2 6 0 2 50.29 1.31 1.8145 -3 5 4 2 50.50 8.38 1.8072 1 1 6 2 50.56 4.26 1.8053 -2 -6 4 2 50.57 2.49 1.8049 -1 7 0 2 50.96 1.65 1.7920 3 3 2 2 51.28 1.17 1.7814 -1 -7 2 2 51.53 22.84 1.7734 -2 0 8 2 51.82 1.45 1.7642 -2 6 4 2 51.92 6.05 1.7612 2 -4 4 2 52.02 1.61 1.7581 -1 7 2 2 52.02 1.58 1.7580 1 5 4 2 52.04 1.05 1.7575 4 2 0 2 52.65 3.86 1.7384 -4 4 2 2 52.70 1.57 1.7367 2 -6 2 2 52.83 3.34 1.7329 0 6 4 2 52.88 1.95 1.7313 -2 -2 8 2 53.03 2.88 1.7268 0 4 6 2 53.14 3.23 1.7236 -4 4 4 2 53.54 4.35 1.7115 -4 -4 4 2 54.08 2.15 1.6958 -4 -4 2 2 54.31 3.04 1.6892 -2 2 8 2 55.14 1.76 1.6656 -3 -5 6 2 55.18 2.62 1.6645 2 4 4 2 56.26 1.65 1.6352 3 -5 2 2 56.63 3.98 1.6254 -3 5 6 2 56.71 1.74 1.6231 -3 -3 8 2 57.18 2.54 1.6110 0 8 0 2 57.64 1.32 1.5992 4 0 2 2 57.72 1.24 1.5971 -5 1 2 2 58.75 2.23 1.5716 0 -2 8 2 59.04 1.72 1.5645 -4 -2 8 2 59.22 1.70 1.5603 3 -3 4 2 59.47 1.98 1.5544 -3 -1 9 2 59.64 3.47 1.5502 3 5 2 2 59.68 1.32 1.5494 2 -2 6 2 59.81 2.01 1.5463 -4 2 8 2 60.04 1.07 1.5410 1 -7 4 2 60.65 1.49 1.5268 0 2 8 2 60.82 1.33 1.5229 -2 4 8 2 60.98 1.69 1.5194 2 -6 4 2 61.82 5.94 1.5008 -2 8 0 2 61.90 1.34 1.4989 3 3 4 2 62.06 4.62 1.4955 -4 6 2 2 62.16 3.55 1.4934 -2 -8 2 2 62.45 1.06 1.4870 -5 -3 2 2 62.64 3.70 1.4831 -5 -3 6 2 62.64 2.50 1.4831 -5 3 6 2 62.73 3.31 1.4812 -4 6 4 2 63.01 1.40 1.4753 0 -8 4 2 63.42 5.47 1.4668 0 6 6 2 64.03 3.37 1.4542 2 8 0 2 64.28 3.30 1.4492 2 -4 6 2 64.45 1.12 1.4457 3 7 0 2 65.12 2.04 1.4325 -5 1 8 2 65.13 1.68 1.4322 -4 6 0 2 65.39 2.97 1.4272 2 6 4 2 65.92 1.56 1.4169 1 1 8 2 66.65 2.17 1.4033 4 4 2 2 67.08 2.25 1.3954 -4 6 6 2 67.11 3.14 1.3948 1 9 0 2 67.44 4.80 1.3887 1 -3 8 2 68.04 2.67 1.3779 2 4 6 2 68.09 2.91 1.3771 1 -9 2 2 68.24 2.37 1.3743 -5 -3 8 2 68.35 1.91 1.3725 4 6 0 2 68.59 6.57 1.3681 -6 0 4 2 68.74 2.76 1.3655 -4 0 10 2 68.92 6.21 1.3625 4 0 4 2 69.48 1.29 1.3528 2 8 2 2 69.61 4.07 1.3507 -1 -9 4 2 69.71 1.08 1.3490 4 -2 4 2 69.81 1.65 1.3472 -5 5 6 2 69.91 2.28 1.3456 -1 1 10 2 69.92 1.51 1.3453 -4 -2 10 2 70.07 1.04 1.3428 -5 -5 2 2 71.20 1.41 1.3244 0 -8 6 2 71.47 2.19 1.3200 -1 -3 10 2 72.34 1.67 1.3062 -1 9 4 2 72.77 2.55 1.2996 2 -8 4 2 73.82 1.07 1.2837 -6 0 8 2 73.94 1.24 1.2819 4 -4 4 2 74.07 1.35 1.2800 -3 9 2 2 74.32 1.72 1.2762 2 0 8 2 74.82 1.56 1.2690 -6 4 4 2 74.97 2.65 1.2668 -4 8 4 2 75.65 3.53 1.2571 -4 -8 4 2 76.57 1.78 1.2443 -6 -4 6 2 76.74 1.85 1.2420 -4 4 10 2 77.42 2.80 1.2327 6 0 0 2 78.19 3.68 1.2225 2 8 4 2 78.63 1.32 1.2168 -3 5 10 2 79.84 1.01 1.2013 6 2 0 2 81.91 1.49 1.1761 -3 9 6 2 82.58 2.27 1.1682 -6 4 0 2 82.99 1.64 1.1636 3 5 6 2 83.98 1.74 1.1524 -2 6 10 2 84.27 1.08 1.1491 -6 6 6 2 85.55 1.68 1.1352 6 4 0 2 86.72 1.08 1.1228 -3 -9 8 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.