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 = 0.047 GPa _database_code_amcsd 0005004 CELL PARAMETERS: 9.7220 8.9410 5.2470 90.000 108.500 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 432.523 Density (g/cm3): 3.600 MAX. ABS. INTENSITY / VOLUME**2: 11.96031751 RIR: 1.082 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.80 3.22 6.4185 1 1 0 4 19.25 13.55 4.6098 2 0 0 2 20.02 12.28 4.4355 -1 1 1 4 20.43 2.95 4.3479 0 1 1 4 24.95 1.41 3.5692 1 1 1 4 26.49 1.22 3.3642 -1 2 1 4 26.81 14.59 3.3255 0 2 1 4 27.80 52.26 3.2092 2 2 0 4 29.60 100.00 3.0176 -2 2 1 4 30.62 40.70 2.9200 -3 1 1 4 30.76 45.23 2.9063 3 1 0 4 34.85 46.50 2.5743 -1 3 1 4 35.10 1.84 2.5568 0 3 1 4 36.10 49.90 2.4879 0 0 2 2 36.52 26.38 2.4607 2 2 1 4 37.33 3.83 2.4087 -2 3 1 4 38.02 4.08 2.3664 1 3 1 4 40.36 13.98 2.2345 3 1 1 4 40.44 2.68 2.2306 1 0 2 2 40.68 2.54 2.2177 -2 2 2 4 41.54 5.56 2.1739 0 2 2 4 41.74 8.42 2.1642 1 1 2 4 42.13 37.66 2.1450 -3 3 1 4 42.24 3.03 2.1395 3 3 0 4 42.73 7.57 2.1161 -4 2 1 4 43.84 1.56 2.0652 -3 2 2 4 44.21 3.60 2.0486 4 2 0 4 44.29 14.82 2.0450 -4 0 2 2 44.43 9.97 2.0390 0 4 1 4 45.08 5.16 2.0113 2 4 0 4 45.50 1.15 1.9935 -4 1 2 4 46.29 3.89 1.9614 -2 4 1 4 46.67 10.65 1.9464 2 0 2 2 48.68 1.49 1.8703 -4 3 1 4 49.98 3.46 1.8247 3 3 1 4 50.54 3.23 1.8059 5 1 0 4 51.15 1.86 1.7858 1 3 2 4 51.19 9.60 1.7846 2 2 2 4 51.30 1.80 1.7810 2 4 1 4 52.10 11.78 1.7555 1 5 0 4 52.91 2.84 1.7303 4 2 1 4 53.96 1.87 1.6994 -1 1 3 4 54.56 3.78 1.6821 -2 4 2 4 54.89 3.94 1.6727 -3 1 3 4 55.25 1.14 1.6627 0 4 2 4 55.35 4.39 1.6599 3 1 2 4 56.55 17.34 1.6274 -2 2 3 4 56.58 25.73 1.6267 -5 3 1 4 59.75 3.55 1.5476 -3 5 1 4 59.84 4.86 1.5456 3 5 0 4 59.88 6.30 1.5447 -6 0 2 2 60.23 5.45 1.5366 6 0 0 2 61.52 3.54 1.5073 -2 3 3 4 62.00 14.13 1.4968 -1 3 3 4 62.31 12.11 1.4902 0 6 0 2 62.86 2.48 1.4785 -3 3 3 4 62.93 1.09 1.4770 -1 5 2 4 63.08 5.31 1.4737 4 0 2 2 63.36 2.20 1.4679 2 4 2 4 63.74 3.04 1.4600 -6 2 2 4 64.14 1.41 1.4520 0 5 2 4 65.85 5.16 1.4182 -3 5 2 4 66.10 2.17 1.4135 3 5 1 4 67.08 1.91 1.3952 1 5 2 4 67.27 25.82 1.3918 5 3 1 4 68.11 2.90 1.3766 -2 4 3 4 68.24 4.55 1.3744 1 3 3 4 68.47 1.25 1.3703 -7 1 1 4 69.28 1.84 1.3563 2 2 3 4 69.33 1.52 1.3554 -7 0 2 2 70.24 6.37 1.3401 -7 1 2 4 70.66 4.54 1.3331 -5 3 3 4 70.73 1.25 1.3320 0 4 3 4 72.34 1.64 1.3062 -3 0 4 2 72.55 1.70 1.3030 7 1 0 4 73.12 1.23 1.2943 6 2 1 4 73.23 1.73 1.2925 -3 1 4 4 73.79 1.05 1.2842 3 1 3 4 73.79 1.53 1.2840 5 1 2 4 74.18 10.29 1.2784 0 6 2 4 74.26 3.96 1.2771 -4 0 4 2 75.64 1.15 1.2572 -2 2 4 4 76.06 1.31 1.2514 4 6 0 4 76.59 2.14 1.2440 0 0 4 2 77.39 1.49 1.2331 -3 5 3 4 77.78 6.70 1.2280 3 5 2 4 79.60 1.85 1.2043 -4 6 2 4 81.32 1.52 1.1832 2 6 2 4 82.14 1.01 1.1735 7 1 1 4 82.93 1.74 1.1642 -6 0 4 2 83.97 1.48 1.1525 8 0 0 2 89.53 1.29 1.0947 -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.