Pigeonite Morimoto N, Guven N American Mineralogist 55 (1970) 1195-1209 Refinement of the crystal structure of pigeonite Locality: Isle of Mull, Scotland _database_code_amcsd 0000209 CELL PARAMETERS: 9.7060 8.9500 5.2460 90.000 108.590 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 431.936 Density (g/cm3): 3.635 MAX. ABS. INTENSITY / VOLUME**2: 11.85725153 RIR: 1.062 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.80 3.95 6.4150 1 1 0 4 19.30 15.71 4.5998 2 0 0 2 20.01 14.69 4.4364 -1 1 1 4 20.43 3.69 4.3465 0 1 1 4 24.98 1.60 3.5649 1 1 1 4 26.48 2.08 3.3660 -1 2 1 4 26.80 13.92 3.3263 0 2 1 4 27.81 55.13 3.2075 2 2 0 4 29.60 100.00 3.0183 -2 2 1 4 30.64 41.77 2.9178 -3 1 1 4 30.82 48.90 2.9010 3 1 0 4 34.23 1.04 2.6196 -1 0 2 2 34.83 50.55 2.5762 -1 3 1 4 35.08 2.38 2.5582 0 3 1 4 36.13 51.96 2.4861 0 0 2 2 36.56 26.93 2.4579 2 2 1 4 37.31 5.32 2.4099 -2 3 1 4 38.02 4.79 2.3665 1 3 1 4 40.45 14.10 2.2300 3 1 1 4 40.49 3.59 2.2278 1 0 2 2 40.67 2.84 2.2182 -2 2 2 4 41.55 5.26 2.1733 0 2 2 4 41.78 8.46 2.1619 1 1 2 4 42.13 41.05 2.1451 -3 3 1 4 42.26 2.83 2.1383 3 3 0 4 42.77 8.18 2.1144 -4 2 1 4 43.83 2.08 2.0653 -3 2 2 4 44.28 3.92 2.0456 4 2 0 4 44.31 15.84 2.0441 -4 0 2 2 44.40 9.54 2.0404 0 4 1 4 45.06 5.23 2.0121 2 4 0 4 45.52 1.34 1.9928 -4 1 2 4 46.25 4.21 1.9628 -2 4 1 4 46.75 11.90 1.9433 2 0 2 2 48.71 2.05 1.8696 -4 3 1 4 50.04 3.76 1.8228 3 3 1 4 50.65 3.17 1.8022 5 1 0 4 51.17 1.75 1.7850 1 3 2 4 51.25 9.86 1.7825 2 2 2 4 51.30 2.14 1.7808 2 4 1 4 52.05 12.02 1.7570 1 5 0 4 53.02 3.22 1.7272 4 2 1 4 53.98 2.14 1.6988 -1 1 3 4 54.30 1.04 1.6893 -1 5 1 4 54.48 1.03 1.6842 0 5 1 4 54.52 3.70 1.6830 -2 4 2 4 54.89 3.73 1.6727 -3 1 3 4 55.23 1.11 1.6631 0 4 2 4 55.46 4.88 1.6569 3 1 2 4 55.74 1.10 1.6490 -5 2 2 4 56.55 18.20 1.6274 -2 2 3 4 56.63 26.86 1.6254 -5 3 1 4 59.72 3.86 1.5484 -3 5 1 4 59.83 5.23 1.5459 3 5 0 4 59.94 6.79 1.5432 -6 0 2 2 60.37 6.22 1.5333 6 0 0 2 61.51 5.28 1.5075 -2 3 3 4 62.00 15.03 1.4967 -1 3 3 4 62.24 13.58 1.4917 0 6 0 2 62.84 2.68 1.4788 -3 3 3 4 62.88 1.37 1.4779 -1 5 2 4 63.23 5.49 1.4707 4 0 2 2 63.40 2.16 1.4672 2 4 2 4 63.80 3.17 1.4589 -6 2 2 4 64.11 1.69 1.4527 0 5 2 4 65.81 5.17 1.4190 -3 5 2 4 66.12 2.36 1.4132 3 5 1 4 67.07 1.98 1.3954 1 5 2 4 67.39 27.99 1.3896 5 3 1 4 68.09 3.31 1.3770 -2 4 3 4 68.28 5.60 1.3736 1 3 3 4 68.60 1.14 1.3680 -7 1 1 4 69.37 1.77 1.3548 2 2 3 4 69.42 2.30 1.3538 -7 0 2 2 70.33 6.55 1.3386 -7 1 2 4 70.66 4.87 1.3331 -5 3 3 4 70.74 1.36 1.3318 0 4 3 4 72.35 2.27 1.3061 -3 0 4 2 72.72 1.73 1.3003 7 1 0 4 73.00 1.01 1.2960 -2 1 4 4 73.24 1.58 1.2924 -3 1 4 4 73.29 1.18 1.2917 6 2 1 4 73.92 1.17 1.2822 3 1 3 4 73.97 1.59 1.2814 5 1 2 4 74.13 10.98 1.2791 0 6 2 4 74.27 4.27 1.2770 -4 0 4 2 75.65 1.26 1.2570 -2 2 4 4 76.05 1.37 1.2515 4 6 0 4 76.66 2.20 1.2431 0 0 4 2 77.35 1.75 1.2337 -3 5 3 4 77.82 7.13 1.2273 3 5 2 4 79.55 2.26 1.2049 -4 6 2 4 81.28 1.11 1.1837 -5 2 4 4 81.31 1.92 1.1833 2 6 2 4 82.36 1.03 1.1708 7 1 1 4 82.75 1.02 1.1664 -8 2 1 4 82.95 1.76 1.1641 -6 0 4 2 84.20 1.56 1.1499 8 0 0 2 89.61 1.35 1.0939 -8 2 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.