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 = 7.762 GPa _database_code_amcsd 0005012 CELL PARAMETERS: 9.4020 8.7160 4.9960 90.000 103.280 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 398.463 Density (g/cm3): 3.908 MAX. ABS. INTENSITY / VOLUME**2: 9.473793693 RIR: 0.789 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.03 2.20 6.3112 1 1 0 4 19.40 16.49 4.5753 2 0 0 2 21.23 4.87 4.1857 -1 1 1 4 24.82 14.16 3.5868 1 1 1 4 27.48 7.93 3.2453 0 2 1 4 28.28 64.18 3.1556 2 2 0 4 31.06 58.88 2.8790 3 1 0 4 31.25 98.73 2.8622 -2 2 1 4 32.33 2.49 2.7691 1 3 0 4 32.53 52.13 2.7528 -3 1 1 4 36.20 100.00 2.4816 -1 3 1 4 36.31 68.40 2.4741 2 2 1 4 36.97 65.19 2.4312 0 0 2 2 37.70 2.59 2.3860 -2 0 2 2 39.39 1.06 2.2876 4 0 0 2 39.69 18.14 2.2709 3 1 1 4 41.88 8.07 2.1570 1 1 2 4 42.58 5.23 2.1232 0 2 2 4 42.99 4.30 2.1037 3 3 0 4 43.19 4.41 2.0948 -3 1 2 4 43.23 8.89 2.0929 -2 2 2 4 44.11 50.67 2.0529 -3 3 1 4 44.74 3.37 2.0255 4 2 0 4 44.84 19.17 2.0214 -4 2 1 4 45.62 12.00 1.9885 0 4 1 4 46.13 26.05 1.9678 2 0 2 2 46.14 7.05 1.9673 2 4 0 4 47.94 18.01 1.8978 -4 0 2 2 48.05 5.83 1.8934 -1 3 2 4 49.88 6.65 1.8281 3 3 1 4 50.92 7.60 1.7934 2 2 2 4 50.99 5.85 1.7911 5 1 0 4 51.83 4.20 1.7641 2 4 1 4 52.34 1.89 1.7479 4 2 1 4 53.51 15.81 1.7124 1 5 0 4 54.42 2.28 1.6860 3 1 2 4 56.56 2.75 1.6272 -5 1 2 4 56.73 1.21 1.6226 0 4 2 4 57.26 1.02 1.6090 -2 4 2 4 57.85 1.59 1.5938 1 5 1 4 58.98 24.37 1.5661 -5 3 1 4 59.03 8.64 1.5648 -3 1 3 4 59.72 1.38 1.5485 5 3 0 4 59.88 18.12 1.5446 -2 2 3 4 60.73 9.27 1.5251 6 0 0 2 61.24 13.15 1.5135 3 5 0 4 61.26 1.20 1.5132 1 1 3 4 61.73 10.32 1.5027 4 0 2 2 62.12 1.61 1.4942 -3 5 1 4 63.27 1.15 1.4697 -6 2 1 4 63.72 5.46 1.4604 2 4 2 4 64.10 18.15 1.4527 0 6 0 2 64.21 16.35 1.4506 -6 0 2 2 64.57 36.93 1.4432 -1 3 3 4 64.97 2.26 1.4355 4 4 1 4 66.10 3.35 1.4135 -4 2 3 4 66.80 1.14 1.4005 3 5 1 4 66.88 43.45 1.3990 5 3 1 4 67.27 3.39 1.3919 0 6 1 4 68.13 1.24 1.3764 -6 2 2 4 68.35 10.50 1.3725 1 5 2 4 69.16 3.54 1.3582 1 3 3 4 69.24 5.81 1.3570 2 2 3 4 69.29 9.04 1.3561 -3 5 2 4 71.07 1.81 1.3264 -7 1 1 4 71.70 1.24 1.3164 -2 4 3 4 72.39 3.31 1.3054 6 2 1 4 72.71 3.06 1.3005 0 4 3 4 73.22 2.31 1.2928 7 1 0 4 74.96 5.92 1.2670 -7 1 2 4 76.29 1.62 1.2481 -2 0 4 2 76.35 5.19 1.2473 -5 3 3 4 76.37 8.05 1.2470 0 6 2 4 77.34 1.03 1.2338 1 7 0 4 77.59 2.40 1.2304 -1 1 4 4 77.97 1.09 1.2254 -4 6 1 4 78.09 8.18 1.2238 3 5 2 4 78.49 2.78 1.2185 -3 1 4 4 78.72 1.94 1.2156 0 0 4 2 80.51 2.46 1.1930 -4 0 4 2 81.22 2.08 1.1843 7 1 1 4 82.01 2.08 1.1750 -3 5 3 4 82.54 1.19 1.1687 2 6 2 4 83.30 1.36 1.1600 1 1 4 4 83.88 1.36 1.1535 -4 6 2 4 84.13 1.81 1.1507 -4 2 4 4 84.75 2.18 1.1438 8 0 0 2 85.59 1.77 1.1347 -8 2 1 4 88.34 1.22 1.1064 8 2 0 4 88.61 2.03 1.1037 -8 2 2 4 89.59 2.19 1.0941 -6 4 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.