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 = 3.167 GPa _database_code_amcsd 0005007 CELL PARAMETERS: 9.6210 8.8270 5.1990 90.000 107.820 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 420.340 Density (g/cm3): 3.704 MAX. ABS. INTENSITY / VOLUME**2: 12.06343518 RIR: 1.060 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.93 2.77 6.3559 1 1 0 4 19.38 12.87 4.5797 2 0 0 2 20.26 12.00 4.3822 -1 1 1 4 20.57 4.61 4.3172 0 1 1 4 25.04 2.08 3.5562 1 1 1 4 26.83 2.20 3.3227 -1 2 1 4 27.07 11.96 3.2941 0 2 1 4 28.08 48.77 3.1779 2 2 0 4 30.02 100.00 2.9770 -2 2 1 4 30.99 44.00 2.8854 3 1 0 4 31.03 40.65 2.8816 -3 1 1 4 34.53 1.58 2.5977 -1 0 2 2 35.31 48.29 2.5421 -1 3 1 4 35.49 1.85 2.5292 0 3 1 4 36.30 51.35 2.4748 0 0 2 2 36.71 30.81 2.4482 2 2 1 4 37.85 5.16 2.3769 -2 3 1 4 38.37 3.13 2.3457 1 3 1 4 40.49 15.37 2.2281 3 1 1 4 40.57 4.41 2.2239 1 0 2 2 41.20 2.35 2.1911 -2 2 2 4 41.85 5.27 2.1586 0 2 2 4 41.89 8.31 2.1565 1 1 2 4 42.68 3.81 2.1186 3 3 0 4 42.71 38.02 2.1171 -3 3 1 4 43.28 7.93 2.0903 -4 2 1 4 44.47 2.10 2.0375 -3 2 2 4 44.58 3.29 2.0326 4 2 0 4 44.96 14.55 2.0162 -4 0 2 2 44.98 10.87 2.0155 0 4 1 4 45.63 5.11 1.9880 2 4 0 4 46.18 1.64 1.9656 -4 1 2 4 46.76 11.33 1.9427 2 0 2 2 46.94 3.07 1.9358 -2 4 1 4 49.33 2.01 1.8473 -4 3 1 4 50.32 3.93 1.8134 3 3 1 4 50.91 3.28 1.7937 5 1 0 4 51.39 9.39 1.7781 2 2 2 4 51.51 1.92 1.7741 1 3 2 4 51.78 1.56 1.7654 2 4 1 4 51.94 1.12 1.7605 -5 2 1 4 52.81 11.98 1.7335 1 5 0 4 53.16 2.89 1.7229 4 2 1 4 54.41 1.65 1.6864 -1 1 3 4 55.29 3.28 1.6614 -2 4 2 4 55.47 4.12 1.6566 3 1 2 4 55.60 3.94 1.6530 -3 1 3 4 55.82 1.15 1.6470 0 4 2 4 56.55 1.09 1.6274 -5 2 2 4 57.19 16.81 1.6108 -2 2 3 4 57.30 23.72 1.6079 -5 3 1 4 60.59 6.20 1.5283 3 5 0 4 60.61 2.88 1.5277 -3 5 1 4 60.66 5.98 1.5266 6 0 0 2 60.76 6.75 1.5243 -6 0 2 2 62.25 5.67 1.4914 -2 3 3 4 62.61 14.99 1.4836 -1 3 3 4 63.20 5.53 1.4712 4 0 2 2 63.20 12.27 1.4712 0 6 0 2 63.71 1.68 1.4607 -3 3 3 4 63.74 1.27 1.4601 -1 5 2 4 63.83 2.37 1.4582 2 4 2 4 64.70 2.50 1.4408 -6 2 2 4 64.88 2.03 1.4372 0 5 2 4 66.28 1.58 1.4102 0 6 1 4 66.77 1.83 1.4010 3 5 1 4 66.84 5.70 1.3997 -3 5 2 4 67.12 1.25 1.3946 -5 2 3 4 67.68 27.14 1.3843 5 3 1 4 67.77 2.39 1.3827 1 5 2 4 68.67 4.24 1.3668 1 3 3 4 68.97 2.62 1.3616 -2 4 3 4 69.25 1.13 1.3568 -7 1 1 4 69.55 2.20 1.3516 2 2 3 4 70.35 2.30 1.3383 -7 0 2 2 71.27 5.85 1.3232 -7 1 2 4 71.38 1.56 1.3214 0 4 3 4 71.79 3.86 1.3149 -5 3 3 4 73.11 1.74 1.2943 7 1 0 4 73.22 2.56 1.2927 -3 0 4 2 73.49 1.36 1.2886 6 2 1 4 73.97 1.17 1.2814 3 1 3 4 73.98 1.61 1.2813 5 1 2 4 74.13 1.59 1.2791 -3 1 4 4 75.12 9.45 1.2646 0 6 2 4 75.30 3.37 1.2621 -4 0 4 2 77.05 1.01 1.2377 4 6 0 4 77.07 2.01 1.2374 0 0 4 2 78.42 6.99 1.2195 3 5 2 4 78.53 1.38 1.2181 -3 5 3 4 80.88 1.73 1.1884 -4 6 2 4 82.19 1.41 1.1728 2 6 2 4 82.55 1.04 1.1686 7 1 1 4 83.56 1.02 1.1570 -8 2 1 4 84.33 1.47 1.1484 -6 0 4 2 84.65 1.59 1.1449 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.