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 = 2.6 GPa _database_code_amcsd 0003198 CELL PARAMETERS: 9.5460 8.7320 5.1490 90.000 108.120 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 407.913 Density (g/cm3): 3.307 MAX. ABS. INTENSITY / VOLUME**2: 8.684368303 RIR: 0.855 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.34 7.45 4.3660 0 2 0 2 20.81 6.86 4.2690 0 1 1 4 25.35 1.57 3.5130 1 1 1 4 27.10 3.14 3.2905 -1 2 1 4 27.38 34.36 3.2579 0 2 1 4 28.37 33.39 3.1457 2 2 0 4 30.28 100.00 2.9515 -2 2 1 4 31.03 1.91 2.8822 1 2 1 4 31.27 28.74 2.8608 -3 1 1 4 31.30 60.27 2.8577 3 1 0 4 35.68 24.70 2.5163 -1 3 1 4 35.87 7.79 2.5032 -2 0 2 2 35.90 7.61 2.5016 0 3 1 4 36.73 44.76 2.4468 0 0 2 2 37.16 24.44 2.4194 2 2 1 4 38.22 9.13 2.3546 -2 3 1 4 40.99 9.33 2.2020 3 1 1 4 41.09 8.07 2.1969 1 0 2 2 42.43 7.88 2.1305 1 1 2 4 43.11 30.06 2.0984 -3 3 1 4 43.14 1.96 2.0971 3 3 0 4 43.65 5.09 2.0736 -4 2 1 4 44.84 1.84 2.0213 -3 2 2 4 45.28 8.10 2.0027 -4 0 2 2 45.32 1.48 2.0010 -1 4 1 4 45.50 9.23 1.9936 0 4 1 4 46.15 3.72 1.9671 2 4 0 4 46.52 3.08 1.9520 -4 1 2 4 47.38 6.52 1.9186 2 0 2 2 47.43 6.30 1.9168 -2 4 1 4 49.79 2.72 1.8314 -4 3 1 4 51.44 5.39 1.7766 5 1 0 4 51.62 1.32 1.7708 -3 4 1 4 52.07 6.98 1.7565 2 2 2 4 52.39 2.06 1.7464 -5 2 1 4 52.42 2.97 1.7455 2 4 1 4 53.43 7.29 1.7149 1 5 0 4 53.82 1.71 1.7034 4 2 1 4 55.88 2.51 1.6453 -2 4 2 4 55.90 1.48 1.6448 0 5 1 4 56.11 2.59 1.6392 -3 1 3 4 56.22 6.20 1.6362 3 1 2 4 56.49 2.40 1.6289 0 4 2 4 57.00 1.07 1.6156 -5 2 2 4 57.47 1.14 1.6035 0 1 3 4 57.79 17.29 1.5955 -2 2 3 4 57.84 23.15 1.5942 -5 3 1 4 58.23 1.39 1.5843 -1 2 3 4 58.60 1.02 1.5753 3 4 1 4 58.70 1.79 1.5729 4 4 0 4 59.18 1.13 1.5613 4 3 1 4 61.22 5.19 1.5140 -6 0 2 2 61.27 1.96 1.5128 -3 5 1 4 61.29 5.07 1.5123 3 5 0 4 61.31 4.46 1.5121 6 0 0 2 62.93 10.11 1.4770 -2 3 3 4 63.35 10.82 1.4681 -1 3 3 4 63.97 14.32 1.4553 0 6 0 2 64.08 3.26 1.4533 4 0 2 2 64.68 1.35 1.4411 2 4 2 4 64.76 1.23 1.4396 -5 1 3 4 65.06 1.05 1.4335 4 1 2 4 65.22 1.74 1.4304 -6 2 2 4 65.69 3.26 1.4215 0 5 2 4 67.10 1.18 1.3950 0 6 1 4 67.56 3.35 1.3865 -3 5 2 4 67.68 2.02 1.3843 -5 2 3 4 68.54 27.62 1.3690 5 3 1 4 68.65 1.07 1.3671 1 5 2 4 69.60 3.40 1.3508 1 3 3 4 69.76 4.46 1.3482 -2 4 3 4 70.53 1.31 1.3352 2 2 3 4 70.91 3.68 1.3290 -7 0 2 2 71.86 6.61 1.3139 -7 1 2 4 72.31 2.05 1.3067 0 4 3 4 72.44 2.66 1.3047 -5 3 3 4 73.93 1.86 1.2820 7 1 0 4 74.00 3.28 1.2811 -3 0 4 2 74.59 1.90 1.2723 -2 1 4 4 75.03 2.50 1.2660 5 1 2 4 75.57 1.14 1.2583 5 5 0 4 75.58 2.27 1.2582 -2 6 2 4 76.04 2.57 1.2516 -4 0 4 2 76.10 8.36 1.2508 0 6 2 4 77.35 1.90 1.2337 -7 3 1 4 79.03 1.72 1.2116 0 1 4 4 79.43 1.52 1.2065 -3 5 3 4 79.52 5.96 1.2053 3 5 2 4 81.81 1.42 1.1773 -4 6 2 4 82.35 1.14 1.1710 3 3 3 4 83.35 1.06 1.1595 2 6 2 4 83.37 1.33 1.1593 -5 2 4 4 85.65 1.05 1.1341 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.