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 = 6.409 GPa _database_code_amcsd 0005011 CELL PARAMETERS: 9.4340 8.7450 5.0140 90.000 103.440 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 402.328 Density (g/cm3): 3.870 MAX. ABS. INTENSITY / VOLUME**2: 9.403359710 RIR: 0.791 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.99 2.17 6.3304 1 1 0 4 19.35 17.26 4.5878 2 0 0 2 21.14 4.72 4.2028 -1 1 1 4 24.77 13.55 3.5946 1 1 1 4 27.40 8.56 3.2555 0 2 1 4 28.19 63.75 3.1652 2 2 0 4 30.97 59.41 2.8871 3 1 0 4 31.12 99.79 2.8738 -2 2 1 4 32.22 2.10 2.7782 1 3 0 4 32.39 52.53 2.7644 -3 1 1 4 36.06 100.00 2.4905 -1 3 1 4 36.23 67.44 2.4796 2 2 1 4 36.86 64.45 2.4383 0 0 2 2 37.53 2.53 2.3963 -2 0 2 2 39.28 1.06 2.2939 4 0 0 2 39.61 18.75 2.2751 3 1 1 4 41.78 8.37 2.1621 1 1 2 4 42.45 5.82 2.1296 0 2 2 4 42.86 4.19 2.1101 3 3 0 4 42.98 4.32 2.1043 -3 1 2 4 43.04 8.87 2.1014 -2 2 2 4 43.94 50.81 2.0608 -3 3 1 4 44.61 3.49 2.0313 4 2 0 4 44.65 18.97 2.0293 -4 2 1 4 45.47 11.98 1.9950 0 4 1 4 45.99 7.01 1.9736 2 4 0 4 46.04 25.65 1.9716 2 0 2 2 47.70 18.20 1.9065 -4 0 2 2 47.87 5.81 1.9001 -1 3 2 4 49.76 6.33 1.8325 3 3 1 4 50.80 7.80 1.7973 2 2 2 4 50.84 5.67 1.7960 5 1 0 4 51.58 1.00 1.7718 1 3 2 4 51.67 4.32 1.7690 2 4 1 4 52.22 1.87 1.7516 4 2 1 4 53.32 16.13 1.7181 1 5 0 4 54.31 2.28 1.6891 3 1 2 4 56.28 2.84 1.6345 -5 1 2 4 56.54 1.26 1.6278 0 4 2 4 57.02 1.03 1.6151 -2 4 2 4 57.66 1.67 1.5988 1 5 1 4 58.74 25.16 1.5719 -5 3 1 4 58.75 8.78 1.5715 -3 1 3 4 59.52 1.37 1.5530 5 3 0 4 59.63 18.47 1.5506 -2 2 3 4 60.54 9.00 1.5293 6 0 0 2 61.03 12.91 1.5183 3 5 0 4 61.09 1.10 1.5170 1 1 3 4 61.61 10.72 1.5053 4 0 2 2 61.87 1.75 1.4996 -3 5 1 4 63.02 1.22 1.4750 -6 2 1 4 63.54 5.63 1.4641 2 4 2 4 63.87 18.11 1.4575 0 6 0 2 63.90 16.37 1.4569 -6 0 2 2 64.33 36.68 1.4482 -1 3 3 4 64.78 2.26 1.4391 4 4 1 4 65.78 3.24 1.4197 -4 2 3 4 66.59 1.32 1.4044 3 5 1 4 66.71 43.62 1.4022 5 3 1 4 67.02 3.26 1.3965 0 6 1 4 67.80 1.33 1.3822 -6 2 2 4 68.12 10.47 1.3765 1 5 2 4 68.95 3.69 1.3619 1 3 3 4 68.99 9.13 1.3613 -3 5 2 4 69.06 5.76 1.3601 2 2 3 4 70.78 1.81 1.3311 -7 1 1 4 71.39 1.29 1.3213 -2 4 3 4 72.21 3.31 1.3082 6 2 1 4 72.45 2.99 1.3045 0 4 3 4 72.98 2.27 1.2963 7 1 0 4 74.60 6.07 1.2722 -7 1 2 4 75.96 1.57 1.2528 -2 0 4 2 75.96 5.42 1.2527 -5 3 3 4 76.08 8.33 1.2510 0 6 2 4 77.04 1.04 1.2379 1 7 0 4 77.29 2.42 1.2345 -1 1 4 4 77.64 1.07 1.2297 -4 6 1 4 77.86 8.41 1.2269 3 5 2 4 78.12 2.94 1.2234 -3 1 4 4 78.44 2.07 1.2192 0 0 4 2 80.10 2.47 1.1981 -4 0 4 2 81.01 2.00 1.1869 7 1 1 4 81.62 2.20 1.1795 -3 5 3 4 82.26 1.16 1.1720 2 6 2 4 83.03 1.28 1.1630 1 1 4 4 83.49 1.37 1.1579 -4 6 2 4 83.69 1.90 1.1555 -4 2 4 4 84.47 2.24 1.1470 8 0 0 2 85.23 1.79 1.1386 -8 2 1 4 88.04 1.21 1.1094 8 2 0 4 88.17 2.07 1.1081 -8 2 2 4 89.11 2.12 1.0988 -6 4 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.