Pigeonite Domeneghetti M C, Zema M, Tazzoli V American Mineralogist 90 (2005) 1816-1823 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite Locality: Parana, Brazil Sample: N.13, untreated _database_code_amcsd 0003978 CELL PARAMETERS: 9.7060 8.9400 5.2460 90.000 108.504 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 431.671 Density (g/cm3): 3.551 MAX. ABS. INTENSITY / VOLUME**2: 11.35677753 RIR: 1.041 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.81 2.09 6.4129 1 1 0 4 19.29 10.85 4.6021 2 0 0 2 20.02 12.46 4.4342 -1 1 1 4 20.43 3.75 4.3471 0 1 1 4 24.96 1.36 3.5672 1 1 1 4 26.50 1.61 3.3634 -1 2 1 4 26.81 16.75 3.3250 0 2 1 4 27.82 53.60 3.2065 2 2 0 4 29.62 100.00 3.0159 -2 2 1 4 30.65 42.78 2.9165 -3 1 1 4 30.81 46.00 2.9019 3 1 0 4 34.86 46.75 2.5738 -1 3 1 4 35.10 1.90 2.5564 0 3 1 4 36.11 50.43 2.4874 0 0 2 2 36.54 27.17 2.4589 2 2 1 4 37.35 4.56 2.4077 -2 3 1 4 38.04 3.17 2.3657 1 3 1 4 40.41 14.81 2.2319 3 1 1 4 40.46 3.62 2.2296 1 0 2 2 40.70 2.58 2.2171 -2 2 2 4 41.55 5.33 2.1735 0 2 2 4 41.75 8.16 2.1634 1 1 2 4 42.16 38.08 2.1434 -3 3 1 4 42.28 3.14 2.1376 3 3 0 4 42.79 7.65 2.1135 -4 2 1 4 43.86 1.96 2.0640 -3 2 2 4 44.27 3.83 2.0459 4 2 0 4 44.34 15.34 2.0430 -4 0 2 2 44.44 11.05 2.0387 0 4 1 4 45.10 5.32 2.0105 2 4 0 4 45.55 1.24 1.9916 -4 1 2 4 46.30 3.89 1.9608 -2 4 1 4 46.70 10.96 1.9452 2 0 2 2 48.73 1.63 1.8685 -4 3 1 4 50.03 3.10 1.8232 3 3 1 4 50.63 3.72 1.8030 5 1 0 4 51.17 1.92 1.7853 1 3 2 4 51.22 10.04 1.7836 2 2 2 4 51.32 1.90 1.7802 2 4 1 4 52.11 11.30 1.7552 1 5 0 4 52.98 2.87 1.7283 4 2 1 4 53.97 2.16 1.6991 -1 1 3 4 54.57 3.91 1.6817 -2 4 2 4 54.91 4.13 1.6721 -3 1 3 4 55.25 1.23 1.6625 0 4 2 4 55.40 4.62 1.6585 3 1 2 4 56.56 18.32 1.6270 -2 2 3 4 56.65 25.88 1.6248 -5 3 1 4 59.78 3.62 1.5470 -3 5 1 4 59.87 5.15 1.5448 3 5 0 4 59.97 6.74 1.5426 -6 0 2 2 60.34 6.03 1.5340 6 0 0 2 61.53 4.62 1.5070 -2 3 3 4 62.01 14.51 1.4966 -1 3 3 4 62.32 12.87 1.4900 0 6 0 2 62.88 2.37 1.4781 -3 3 3 4 62.93 1.17 1.4768 -1 5 2 4 63.15 5.39 1.4722 4 0 2 2 63.39 2.29 1.4673 2 4 2 4 63.83 3.33 1.4582 -6 2 2 4 64.15 1.65 1.4518 0 5 2 4 65.88 5.29 1.4178 -3 5 2 4 66.14 2.25 1.4128 3 5 1 4 67.10 1.82 1.3949 1 5 2 4 67.36 27.74 1.3902 5 3 1 4 68.13 3.18 1.3763 -2 4 3 4 68.26 5.01 1.3741 1 3 3 4 68.60 1.37 1.3681 -7 1 1 4 69.31 1.82 1.3557 2 2 3 4 69.45 1.85 1.3534 -7 0 2 2 70.35 6.53 1.3382 -7 1 2 4 70.71 4.71 1.3322 -5 3 3 4 70.74 1.45 1.3317 0 4 3 4 72.36 2.13 1.3059 -3 0 4 2 72.68 1.73 1.3009 7 1 0 4 73.23 1.16 1.2925 6 2 1 4 73.25 1.66 1.2922 -3 1 4 4 73.60 1.01 1.2869 -2 6 2 4 73.84 1.26 1.2834 3 1 3 4 73.89 1.78 1.2826 5 1 2 4 74.19 10.46 1.2782 0 6 2 4 74.29 4.32 1.2766 -4 0 4 2 75.66 1.31 1.2570 -2 2 4 4 76.11 1.20 1.2507 4 6 0 4 76.61 2.21 1.2437 0 0 4 2 77.41 1.57 1.2328 -3 5 3 4 77.82 7.05 1.2274 3 5 2 4 79.64 2.03 1.2038 -4 6 2 4 81.32 1.02 1.1831 -5 2 4 4 81.35 1.64 1.1829 2 6 2 4 82.28 1.19 1.1717 7 1 1 4 83.00 1.82 1.1635 -6 0 4 2 84.14 1.59 1.1505 8 0 0 2 89.67 1.45 1.0934 -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.