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 = 1.794 GPa _database_code_amcsd 0005006 CELL PARAMETERS: 9.6590 8.8770 5.2180 90.000 108.090 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 425.291 Density (g/cm3): 3.661 MAX. ABS. INTENSITY / VOLUME**2: 11.97429192 RIR: 1.065 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.88 3.23 6.3819 1 1 0 4 19.33 13.13 4.5908 2 0 0 2 20.16 11.90 4.4039 -1 1 1 4 20.51 3.36 4.3300 0 1 1 4 25.00 1.71 3.5616 1 1 1 4 26.69 1.86 3.3401 -1 2 1 4 26.96 13.29 3.3076 0 2 1 4 27.96 51.50 3.1910 2 2 0 4 29.85 100.00 2.9936 -2 2 1 4 30.87 41.32 2.8966 -3 1 1 4 30.91 44.99 2.8934 3 1 0 4 34.41 1.11 2.6066 -1 0 2 2 35.11 48.54 2.5558 -1 3 1 4 35.32 1.70 2.5412 0 3 1 4 36.22 50.43 2.4800 0 0 2 2 36.63 29.26 2.4534 2 2 1 4 37.63 4.32 2.3902 -2 3 1 4 38.22 3.41 2.3547 1 3 1 4 40.44 14.52 2.2305 3 1 1 4 40.52 3.28 2.2265 1 0 2 2 40.99 2.38 2.2019 -2 2 2 4 41.72 5.24 2.1650 0 2 2 4 41.83 8.21 2.1596 1 1 2 4 42.47 37.76 2.1286 -3 3 1 4 42.49 3.49 2.1273 3 3 0 4 43.06 8.11 2.1005 -4 2 1 4 44.21 1.65 2.0486 -3 2 2 4 44.43 3.33 2.0389 4 2 0 4 44.70 14.44 2.0274 -4 0 2 2 44.74 10.59 2.0257 0 4 1 4 45.39 5.19 1.9980 2 4 0 4 45.91 1.36 1.9765 -4 1 2 4 46.66 3.26 1.9467 -2 4 1 4 46.72 11.44 1.9441 2 0 2 2 49.07 1.79 1.8566 -4 3 1 4 50.18 3.51 1.8181 3 3 1 4 50.77 3.56 1.7982 5 1 0 4 51.31 9.21 1.7808 2 2 2 4 51.36 1.89 1.7791 1 3 2 4 51.57 1.62 1.7722 2 4 1 4 52.50 11.85 1.7431 1 5 0 4 53.06 2.96 1.7258 4 2 1 4 54.22 1.76 1.6916 -1 1 3 4 54.98 3.56 1.6701 -2 4 2 4 55.31 3.91 1.6608 -3 1 3 4 55.42 4.25 1.6578 3 1 2 4 55.57 1.25 1.6538 0 4 2 4 56.93 17.20 1.6175 -2 2 3 4 57.01 24.78 1.6154 -5 3 1 4 60.24 3.14 1.5362 -3 5 1 4 60.26 5.68 1.5357 3 5 0 4 60.42 6.70 1.5321 -6 0 2 2 60.50 5.85 1.5303 6 0 0 2 61.95 4.53 1.4980 -2 3 3 4 62.36 14.70 1.4891 -1 3 3 4 62.81 12.20 1.4795 0 6 0 2 63.16 5.41 1.4721 4 0 2 2 63.36 2.05 1.4680 -3 3 3 4 63.39 1.20 1.4674 -1 5 2 4 63.63 2.39 1.4624 2 4 2 4 64.32 2.73 1.4483 -6 2 2 4 64.55 1.58 1.4436 0 5 2 4 65.88 1.27 1.4178 0 6 1 4 66.42 5.52 1.4075 -3 5 2 4 66.48 1.86 1.4064 3 5 1 4 67.47 2.18 1.3881 1 5 2 4 67.52 26.75 1.3873 5 3 1 4 68.49 4.41 1.3700 1 3 3 4 68.61 2.73 1.3678 -2 4 3 4 68.95 1.22 1.3619 -7 1 1 4 69.44 2.03 1.3535 2 2 3 4 69.95 1.89 1.3448 -7 0 2 2 70.87 5.93 1.3297 -7 1 2 4 71.11 1.34 1.3259 0 4 3 4 71.33 4.22 1.3222 -5 3 3 4 72.87 2.04 1.2981 -3 0 4 2 72.90 1.76 1.2976 7 1 0 4 73.35 1.27 1.2907 6 2 1 4 73.77 1.65 1.2844 -3 1 4 4 73.90 1.09 1.2825 3 1 3 4 73.91 1.50 1.2823 5 1 2 4 74.71 9.73 1.2706 0 6 2 4 74.89 3.68 1.2680 -4 0 4 2 76.62 1.07 1.2436 4 6 0 4 76.88 2.02 1.2400 0 0 4 2 78.05 1.31 1.2243 -3 5 3 4 78.14 6.96 1.2231 3 5 2 4 80.34 1.76 1.1951 -4 6 2 4 81.81 1.49 1.1773 2 6 2 4 82.40 1.08 1.1704 7 1 1 4 83.78 1.61 1.1546 -6 0 4 2 84.40 1.47 1.1477 8 0 0 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.