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 = 0.984 GPa _database_code_amcsd 0005005 CELL PARAMETERS: 9.7010 8.8870 5.2260 90.000 108.380 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 427.564 Density (g/cm3): 3.642 MAX. ABS. INTENSITY / VOLUME**2: 11.87780107 RIR: 1.062 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.85 3.10 6.3939 1 1 0 4 19.28 13.70 4.6031 2 0 0 2 20.11 12.32 4.4149 -1 1 1 4 20.51 3.27 4.3307 0 1 1 4 25.02 1.65 3.5594 1 1 1 4 26.64 1.79 3.3465 -1 2 1 4 26.94 14.14 3.3094 0 2 1 4 27.91 51.85 3.1969 2 2 0 4 29.75 100.00 3.0032 -2 2 1 4 30.72 41.39 2.9102 -3 1 1 4 30.83 45.47 2.9006 3 1 0 4 35.05 48.51 2.5599 -1 3 1 4 35.29 1.78 2.5432 0 3 1 4 36.23 50.79 2.4797 0 0 2 2 36.63 27.97 2.4535 2 2 1 4 37.54 3.99 2.3961 -2 3 1 4 38.21 3.80 2.3556 1 3 1 4 40.43 14.49 2.2308 3 1 1 4 40.55 3.16 2.2247 1 0 2 2 40.88 2.42 2.2074 -2 2 2 4 41.71 5.37 2.1654 0 2 2 4 41.86 8.32 2.1581 1 1 2 4 42.33 38.58 2.1351 -3 3 1 4 42.41 3.52 2.1313 3 3 0 4 42.88 7.81 2.1089 -4 2 1 4 44.05 1.65 2.0559 -3 2 2 4 44.32 3.54 2.0437 4 2 0 4 44.47 15.07 2.0374 -4 0 2 2 44.69 10.08 2.0276 0 4 1 4 45.32 5.37 2.0009 2 4 0 4 45.69 1.37 1.9858 -4 1 2 4 46.56 3.73 1.9506 -2 4 1 4 46.77 11.05 1.9423 2 0 2 2 48.89 1.51 1.8629 -4 3 1 4 50.15 3.62 1.8190 3 3 1 4 50.63 3.19 1.8029 5 1 0 4 51.34 9.68 1.7797 2 2 2 4 51.36 1.79 1.7789 1 3 2 4 51.54 1.86 1.7731 2 4 1 4 52.43 11.75 1.7452 1 5 0 4 53.03 2.96 1.7269 4 2 1 4 54.18 1.84 1.6929 -1 1 3 4 54.87 3.77 1.6733 -2 4 2 4 55.14 3.95 1.6656 -3 1 3 4 55.46 4.48 1.6567 3 1 2 4 55.54 1.11 1.6547 0 4 2 4 56.79 25.18 1.6211 -5 3 1 4 56.82 17.25 1.6203 -2 2 3 4 60.08 6.71 1.5400 -6 0 2 2 60.10 3.51 1.5395 -3 5 1 4 60.16 5.14 1.5380 3 5 0 4 60.32 5.82 1.5344 6 0 0 2 61.83 4.06 1.5004 -2 3 3 4 62.30 14.43 1.4903 -1 3 3 4 62.73 12.23 1.4812 0 6 0 2 63.18 2.28 1.4716 -3 3 3 4 63.20 5.25 1.4714 4 0 2 2 63.30 1.17 1.4691 -1 5 2 4 63.63 2.22 1.4623 2 4 2 4 63.98 2.92 1.4551 -6 2 2 4 64.50 1.53 1.4446 0 5 2 4 65.80 1.12 1.4192 0 6 1 4 66.25 5.30 1.4107 -3 5 2 4 66.43 2.08 1.4074 3 5 1 4 67.44 1.98 1.3886 1 5 2 4 67.45 26.68 1.3886 5 3 1 4 68.49 2.88 1.3700 -2 4 3 4 68.51 4.53 1.3696 1 3 3 4 68.63 1.27 1.3674 -7 1 1 4 69.50 1.89 1.3525 2 2 3 4 69.55 1.71 1.3516 -7 0 2 2 70.47 6.27 1.3362 -7 1 2 4 71.02 4.30 1.3273 -5 3 3 4 71.08 1.25 1.3263 0 4 3 4 72.68 1.73 1.3010 7 1 0 4 72.69 1.91 1.3008 -3 0 4 2 73.26 1.19 1.2921 6 2 1 4 73.59 1.68 1.2871 -3 1 4 4 73.93 1.55 1.2821 5 1 2 4 73.98 1.05 1.2813 3 1 3 4 74.63 3.85 1.2717 -4 0 4 2 74.64 10.07 1.2716 0 6 2 4 76.48 1.21 1.2455 4 6 0 4 76.89 2.04 1.2399 0 0 4 2 77.86 1.49 1.2269 -3 5 3 4 78.13 6.70 1.2233 3 5 2 4 80.11 1.83 1.1980 -4 6 2 4 81.77 1.58 1.1778 2 6 2 4 82.27 1.05 1.1719 7 1 1 4 83.34 1.66 1.1595 -6 0 4 2 84.12 1.56 1.1508 8 0 0 2 89.93 1.33 1.0910 -8 2 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.