Pigeonite Alvaro M, Nestola F, Ballaran T B, Camara F, Domeneghetti M C, Tazzoli V American Mineralogist 95 (2010) 300-311 High-pressure phase transition of a natural pigeonite Locality: Parana, Brazil Note: P = 3.587 GPa _database_code_amcsd 0005009 CELL PARAMETERS: 9.5180 8.8040 5.0560 90.000 104.040 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 411.018 Density (g/cm3): 4.661 MAX. ABS. INTENSITY / VOLUME**2: 18.69012252 RIR: 1.306 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.90 3.50 6.3719 1 1 0 4 19.22 4.09 4.6168 2 0 0 2 20.17 4.35 4.4020 0 2 0 2 24.69 4.11 3.6059 1 1 1 4 27.22 47.69 3.2761 0 2 1 4 28.01 56.25 3.1859 2 2 0 4 30.77 67.49 2.9055 3 1 0 4 30.80 100.00 2.9030 -2 2 1 4 32.01 49.14 2.7963 -3 1 1 4 35.77 73.45 2.5103 -1 3 1 4 36.10 72.63 2.4883 2 2 1 4 36.64 61.32 2.4525 0 0 2 2 37.01 1.22 2.4292 -1 1 2 4 37.10 6.26 2.4231 -2 0 2 2 39.02 2.61 2.3084 4 0 0 2 39.50 16.31 2.2812 3 1 1 4 41.01 1.68 2.2010 0 4 0 2 41.61 4.93 2.1702 1 1 2 4 42.44 11.73 2.1299 -3 1 2 4 42.56 1.30 2.1240 3 3 0 4 42.59 7.56 2.1227 -2 2 2 4 43.51 7.90 2.0802 -3 3 1 4 44.18 6.05 2.0499 -4 2 1 4 45.15 18.56 2.0081 0 4 1 4 45.66 10.01 1.9868 2 4 0 4 45.92 3.43 1.9763 2 0 2 2 47.06 10.78 1.9309 -4 0 2 2 47.48 3.16 1.9150 -1 3 2 4 47.55 2.27 1.9122 -2 4 1 4 50.50 11.30 1.8074 5 1 0 4 50.63 8.18 1.8029 2 2 2 4 51.39 8.80 1.7780 2 4 1 4 52.94 5.39 1.7296 1 5 0 4 54.19 3.43 1.6927 3 1 2 4 55.54 6.66 1.6546 -5 1 2 4 56.15 3.64 1.6381 0 4 2 4 56.48 2.12 1.6292 -2 4 2 4 58.05 8.46 1.5888 -3 1 3 4 58.15 26.82 1.5864 -5 3 1 4 59.03 14.91 1.5649 -2 2 3 4 60.12 5.32 1.5389 6 0 0 2 60.40 1.44 1.5327 0 2 3 4 60.58 12.41 1.5284 3 5 0 4 61.32 2.10 1.5118 -3 5 1 4 61.48 8.99 1.5082 4 0 2 2 63.04 10.58 1.4745 -6 0 2 2 63.24 6.55 1.4705 2 4 2 4 63.39 15.77 1.4673 0 6 0 2 63.79 26.12 1.4590 -1 3 3 4 64.45 2.46 1.4456 4 4 1 4 64.93 1.46 1.4362 -4 2 3 4 66.20 1.34 1.4117 3 5 1 4 66.40 34.68 1.4079 5 3 1 4 66.51 2.22 1.4058 0 6 1 4 67.51 1.03 1.3874 -5 1 3 4 67.69 5.12 1.3842 1 5 2 4 68.29 10.29 1.3735 -3 5 2 4 68.58 1.43 1.3684 1 3 3 4 68.79 7.40 1.3648 2 2 3 4 70.05 2.15 1.3433 -7 1 1 4 70.69 1.89 1.3326 -2 4 3 4 71.87 2.08 1.3136 5 1 2 4 71.88 1.52 1.3134 6 2 1 4 71.94 3.92 1.3125 0 4 3 4 72.45 3.84 1.3045 7 1 0 4 73.61 6.22 1.2868 -7 1 2 4 74.45 1.54 1.2744 5 5 0 4 74.94 7.63 1.2672 -5 3 3 4 75.50 9.61 1.2592 0 6 2 4 75.79 1.32 1.2551 -2 6 2 4 76.63 3.22 1.2434 -1 1 4 4 77.20 4.73 1.2357 -3 1 4 4 77.37 1.61 1.2333 -7 3 1 4 77.46 6.57 1.2322 3 5 2 4 77.91 2.88 1.2262 0 0 4 2 79.76 1.24 1.2024 2 4 3 4 80.62 2.22 1.1917 7 1 1 4 80.73 1.89 1.1903 -3 5 3 4 82.60 1.22 1.1681 -4 2 4 4 83.57 1.61 1.1569 -3 7 1 4 84.32 2.44 1.1485 -8 2 1 4 86.99 1.79 1.1201 -8 2 2 4 87.34 1.06 1.1165 8 2 0 4 87.86 1.87 1.1112 -6 4 3 4 89.24 3.22 1.0975 -6 0 4 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.