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 = 3.172 GPa _database_code_amcsd 0005008 CELL PARAMETERS: 9.6220 8.8610 5.1810 90.000 107.920 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 420.305 Density (g/cm3): 3.705 MAX. ABS. INTENSITY / VOLUME**2: 12.00690462 RIR: 1.055 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.91 2.99 6.3671 1 1 0 4 19.39 13.27 4.5776 2 0 0 2 20.29 11.84 4.3777 -1 1 1 4 20.62 4.30 4.3079 0 1 1 4 25.10 2.01 3.5477 1 1 1 4 26.80 2.24 3.3261 -1 2 1 4 27.06 12.50 3.2952 0 2 1 4 28.03 50.19 3.1836 2 2 0 4 29.98 100.00 2.9808 -2 2 1 4 30.99 45.05 2.8854 3 1 0 4 31.03 41.52 2.8825 -3 1 1 4 34.66 1.46 2.5884 -1 0 2 2 35.23 49.28 2.5477 -1 3 1 4 35.43 1.99 2.5337 0 3 1 4 36.45 50.71 2.4648 0 0 2 2 36.74 30.49 2.4464 2 2 1 4 37.76 4.94 2.3821 -2 3 1 4 38.33 3.19 2.3483 1 3 1 4 40.56 15.45 2.2241 3 1 1 4 40.73 4.49 2.2151 1 0 2 2 41.24 2.36 2.1888 -2 2 2 4 41.94 5.13 2.1539 0 2 2 4 42.05 8.35 2.1490 1 1 2 4 42.60 3.68 2.1224 3 3 0 4 42.62 39.18 2.1212 -3 3 1 4 43.24 8.18 2.0922 -4 2 1 4 44.49 2.23 2.0365 -3 2 2 4 44.56 3.61 2.0335 4 2 0 4 44.86 10.93 2.0206 0 4 1 4 45.00 14.51 2.0145 -4 0 2 2 45.49 5.32 1.9940 2 4 0 4 46.21 1.55 1.9644 -4 1 2 4 46.80 3.07 1.9412 -2 4 1 4 46.94 11.14 1.9358 2 0 2 2 49.25 2.01 1.8502 -4 3 1 4 50.31 3.84 1.8135 3 3 1 4 50.93 3.43 1.7932 5 1 0 4 51.52 9.18 1.7739 2 2 2 4 51.57 1.98 1.7721 1 3 2 4 51.70 1.62 1.7680 2 4 1 4 51.90 1.08 1.7618 -5 2 1 4 52.60 12.30 1.7399 1 5 0 4 53.22 2.93 1.7213 4 2 1 4 54.61 1.61 1.6805 -1 1 3 4 55.23 3.43 1.6631 -2 4 2 4 55.64 4.19 1.6518 3 1 2 4 55.74 3.90 1.6490 -3 1 3 4 55.80 1.14 1.6476 0 4 2 4 57.22 24.66 1.6098 -5 3 1 4 57.33 16.95 1.6071 -2 2 3 4 60.40 6.27 1.5325 3 5 0 4 60.42 2.94 1.5321 -3 5 1 4 60.69 6.15 1.5259 6 0 0 2 60.77 6.91 1.5241 -6 0 2 2 61.49 1.04 1.5079 -6 2 1 4 62.35 5.65 1.4892 -2 3 3 4 62.74 14.70 1.4809 -1 3 3 4 62.93 12.76 1.4768 0 6 0 2 63.40 5.55 1.4672 4 0 2 2 63.63 1.31 1.4623 -1 5 2 4 63.78 1.76 1.4592 -3 3 3 4 63.86 2.35 1.4577 2 4 2 4 64.67 2.67 1.4412 -6 2 2 4 64.79 2.05 1.4389 0 5 2 4 66.04 1.49 1.4147 0 6 1 4 66.65 1.93 1.4033 3 5 1 4 66.70 5.66 1.4023 -3 5 2 4 67.18 1.22 1.3934 -5 2 3 4 67.71 2.35 1.3838 1 5 2 4 67.71 27.64 1.3838 5 3 1 4 68.85 4.32 1.3636 1 3 3 4 69.02 2.75 1.3608 -2 4 3 4 69.24 1.25 1.3570 -7 1 1 4 69.80 2.07 1.3474 2 2 3 4 70.34 2.25 1.3383 -7 0 2 2 71.26 5.93 1.3233 -7 1 2 4 71.48 1.51 1.3198 0 4 3 4 71.81 4.05 1.3145 -5 3 3 4 73.14 1.72 1.2939 7 1 0 4 73.49 2.52 1.2887 -3 0 4 2 73.57 1.36 1.2873 6 2 1 4 74.18 1.64 1.2783 5 1 2 4 74.27 1.17 1.2770 3 1 3 4 74.39 1.54 1.2753 -3 1 4 4 74.97 9.68 1.2668 0 6 2 4 75.53 3.43 1.2588 -4 0 4 2 76.81 1.06 1.2409 4 6 0 4 77.44 1.92 1.2324 0 0 4 2 78.40 7.11 1.2197 3 5 2 4 78.49 1.38 1.2186 -3 5 3 4 80.67 1.85 1.1911 -4 6 2 4 82.08 1.52 1.1741 2 6 2 4 82.67 1.11 1.1673 7 1 1 4 83.53 1.03 1.1573 -8 2 1 4 84.50 1.48 1.1466 -6 0 4 2 84.70 1.63 1.1444 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.