Pigeonite Nestola F, Tribaudino M, Ballaran T B American Mineralogist 89 (2004) 189-196 High pressure behavior, transformation and crystal structure of synthetic iron-free pigeonite Sample: P = 6.2 GPa _database_code_amcsd 0003200 CELL PARAMETERS: 9.2910 8.6790 4.9630 90.000 102.220 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 391.132 Density (g/cm3): 3.449 MAX. ABS. INTENSITY / VOLUME**2: 5.878154012 RIR: 0.555 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.47 6.92 4.3395 0 2 0 2 21.45 4.40 4.1417 -1 1 1 4 24.79 1.98 3.5917 1 1 1 4 27.58 38.54 3.2341 0 2 1 4 28.45 49.69 3.1371 2 2 0 4 31.30 93.27 2.8580 3 1 0 4 31.62 100.00 2.8296 -2 2 1 4 33.05 41.90 2.7107 -3 1 1 4 36.31 78.36 2.4743 2 2 1 4 36.44 96.20 2.4656 -1 3 1 4 37.07 60.26 2.4253 0 0 2 2 38.19 20.58 2.3565 -2 0 2 2 38.59 16.59 2.3330 1 3 1 4 39.67 11.39 2.2718 3 1 1 4 39.70 1.56 2.2701 4 0 0 2 41.62 2.02 2.1697 0 4 0 2 41.85 11.29 2.1585 1 1 2 4 42.71 1.07 2.1171 0 2 2 4 43.26 1.81 2.0914 3 3 0 4 43.71 4.99 2.0709 -2 2 2 4 43.87 10.08 2.0639 -3 1 2 4 44.60 46.26 2.0315 -3 3 1 4 45.46 19.63 1.9952 -4 2 1 4 45.81 10.51 1.9806 0 4 1 4 46.01 24.73 1.9727 2 0 2 2 46.38 6.99 1.9577 2 4 0 4 48.37 4.77 1.8818 -1 3 2 4 48.80 11.13 1.8661 -4 0 2 2 49.95 1.61 1.8258 3 3 1 4 50.84 5.74 1.7958 2 2 2 4 51.40 9.57 1.7776 5 1 0 4 51.94 11.89 1.7605 2 4 1 4 53.77 11.75 1.7049 1 5 0 4 54.28 3.16 1.6901 3 1 2 4 56.95 4.00 1.6171 0 4 2 4 57.59 5.45 1.6005 -5 1 2 4 58.05 1.21 1.5888 1 5 1 4 58.88 1.70 1.5685 4 4 0 4 59.72 25.31 1.5483 -5 3 1 4 59.83 8.41 1.5459 -3 1 3 4 60.16 1.02 1.5381 5 3 0 4 60.46 17.74 1.5313 -2 2 3 4 61.25 8.24 1.5134 6 0 0 2 61.58 11.29 1.5059 4 0 2 2 61.59 13.45 1.5058 3 5 0 4 62.64 1.13 1.4830 -3 5 1 4 63.76 6.26 1.4596 2 4 2 4 64.41 26.11 1.4465 0 6 0 2 64.97 52.15 1.4355 -1 3 3 4 65.12 2.81 1.4324 4 4 1 4 65.41 21.48 1.4267 -6 0 2 2 67.05 58.45 1.3959 5 3 1 4 67.13 4.94 1.3944 -4 2 3 4 67.58 2.95 1.3862 0 6 1 4 68.52 11.36 1.3694 1 5 2 4 69.15 7.56 1.3586 2 2 3 4 69.23 1.72 1.3571 1 3 3 4 69.99 8.91 1.3443 -3 5 2 4 70.09 1.07 1.3425 -5 1 3 4 72.10 1.16 1.3099 -7 1 1 4 72.32 1.74 1.3066 -2 4 3 4 72.61 3.23 1.3020 6 2 1 4 72.97 3.86 1.2965 0 4 3 4 73.87 3.17 1.2830 7 1 0 4 75.81 1.57 1.2548 5 5 0 4 76.37 7.31 1.2471 -7 1 2 4 76.71 9.14 1.2423 0 6 2 4 76.97 1.87 1.2388 -2 0 4 2 77.42 2.33 1.2328 -2 6 2 4 77.63 3.17 1.2300 -5 3 3 4 77.74 1.01 1.2285 1 7 0 4 78.04 4.23 1.2244 -1 1 4 4 78.16 8.48 1.2229 3 5 2 4 79.44 3.58 1.2064 -3 1 4 4 79.57 2.60 1.2048 -7 3 1 4 80.28 2.20 1.1959 -6 2 3 4 80.41 1.45 1.1943 2 4 3 4 81.35 1.14 1.1828 1 7 1 4 81.53 2.20 1.1807 7 1 1 4 81.73 1.77 1.1783 -4 0 4 2 82.73 1.08 1.1665 2 6 2 4 82.88 2.53 1.1648 -3 5 3 4 83.35 3.17 1.1594 1 1 4 4 85.37 1.66 1.1371 -3 7 1 4 85.37 1.63 1.1371 -4 2 4 4 85.56 1.80 1.1351 8 0 0 2 86.84 2.28 1.1216 -8 2 1 4 89.18 1.02 1.0981 8 2 0 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.