Donpeacorite Stimpfl M American Mineralogist 90 (2005) 155-161 The Mn, Mg-intracrystalline exchange reaction in donpeacorite (Mn0.54Ca0.03Mg1.43Si2O6) and its relation to the fractionation behavior of Mn in Fe, Mg-orthopyroxene Sample: untreated _database_code_amcsd 0003667 CELL PARAMETERS: 18.3668 8.8725 5.2289 90.000 90.000 90.000 SPACE GROUP: Pbca X-RAY WAVELENGTH: 1.541838 Cell Volume: 852.099 Density (g/cm3): 3.395 MAX. ABS. INTENSITY / VOLUME**2: 5.703896371 RIR: 0.547 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.33 4.12 4.5917 4 0 0 2 20.02 1.39 4.4363 0 2 0 2 21.98 22.62 4.0444 2 1 1 8 24.53 2.14 3.6284 3 1 1 8 26.80 26.46 3.3268 1 2 1 8 27.74 17.92 3.2157 4 1 1 8 27.97 87.78 3.1904 4 2 0 4 28.11 100.00 3.1743 2 2 1 8 30.18 62.14 2.9609 3 2 1 8 30.90 83.72 2.8937 6 1 0 4 31.42 43.24 2.8469 5 1 1 8 32.89 42.34 2.7235 4 2 1 8 34.66 4.48 2.5884 1 0 2 4 35.20 62.58 2.5493 1 3 1 8 35.45 17.63 2.5319 6 1 1 8 35.71 64.32 2.5145 2 0 2 4 36.10 33.88 2.4884 5 2 1 8 36.13 1.01 2.4864 4 3 0 4 36.24 21.26 2.4787 2 3 1 8 37.40 18.59 2.4044 3 0 2 4 37.92 1.07 2.3730 3 3 1 8 39.76 12.21 2.2673 7 1 1 8 40.16 5.40 2.2455 4 3 1 8 40.34 2.81 2.2356 1 2 2 8 41.01 4.05 2.2010 4 1 2 8 42.44 38.74 2.1300 5 0 2 4 42.50 5.41 2.1270 6 3 0 4 42.78 11.81 2.1139 3 2 2 8 42.90 29.60 2.1081 5 3 1 8 43.66 8.37 2.0733 7 2 1 8 43.70 11.23 2.0712 5 1 2 8 44.28 5.76 2.0455 8 1 1 8 44.43 5.24 2.0390 8 2 0 4 44.65 14.63 2.0295 1 4 1 8 45.41 10.01 1.9973 4 4 0 4 45.51 14.24 1.9933 2 4 1 8 46.07 34.58 1.9702 6 3 1 8 46.63 1.58 1.9478 1 3 2 8 47.34 1.08 1.9202 5 2 2 8 47.88 7.20 1.8997 8 2 1 8 49.20 11.57 1.8520 7 0 2 4 50.29 6.46 1.8142 6 2 2 8 50.67 1.88 1.8017 4 3 2 8 50.76 9.21 1.7985 10 1 0 4 51.18 4.84 1.7848 5 4 1 8 52.52 16.62 1.7423 2 5 0 4 52.98 2.20 1.7284 5 3 2 8 53.48 6.98 1.7134 8 3 1 8 53.63 10.45 1.7091 7 2 2 8 53.91 1.17 1.7008 10 1 1 8 54.16 7.27 1.6934 8 1 2 8 54.48 3.66 1.6843 1 4 2 8 54.58 5.92 1.6814 2 1 3 8 55.22 6.05 1.6634 2 4 2 8 55.60 3.85 1.6529 2 5 1 8 55.81 6.00 1.6472 3 1 3 8 56.75 21.11 1.6222 0 2 3 4 56.82 1.20 1.6204 3 5 1 8 56.99 12.88 1.6160 1 2 3 8 57.27 9.93 1.6087 9 0 2 4 57.64 16.87 1.5992 9 3 1 8 57.80 1.58 1.5952 8 4 0 4 58.29 1.63 1.5829 9 1 2 8 58.49 1.29 1.5780 4 5 1 8 59.63 1.15 1.5505 5 1 3 8 60.24 1.07 1.5364 5 4 2 8 60.29 9.02 1.5352 6 5 0 4 60.49 9.53 1.5306 12 0 0 2 60.60 3.43 1.5281 5 5 1 8 61.29 4.31 1.5123 9 2 2 8 62.01 27.84 1.4966 1 3 3 8 62.08 28.15 1.4951 10 3 1 8 62.69 9.79 1.4819 2 3 3 8 62.76 1.79 1.4804 6 4 2 8 62.84 24.50 1.4788 0 6 0 2 63.12 1.21 1.4730 6 5 1 8 65.36 12.67 1.4278 3 5 2 8 65.58 1.96 1.4234 10 2 2 8 65.61 1.13 1.4229 0 6 1 4 65.68 2.99 1.4216 7 4 2 8 65.83 1.32 1.4187 1 6 1 8 66.02 2.10 1.4151 7 5 1 8 66.44 14.92 1.4072 11 0 2 4 66.78 26.72 1.4008 11 3 1 8 67.12 1.51 1.3945 12 2 1 8 67.37 2.61 1.3900 5 3 3 8 67.38 5.66 1.3898 11 1 2 8 67.93 3.68 1.3798 7 2 3 8 68.46 4.61 1.3705 0 4 3 4 68.68 1.73 1.3667 1 4 3 8 68.87 2.72 1.3634 5 5 2 8 69.76 9.25 1.3481 6 3 3 8 69.76 1.10 1.3481 13 1 1 8 70.40 1.89 1.3374 3 4 3 8 71.75 13.70 1.3156 12 3 1 8 71.89 2.33 1.3132 4 4 3 8 72.05 1.35 1.3108 9 1 3 8 72.33 11.64 1.3065 12 1 2 8 72.49 5.14 1.3039 1 0 4 4 72.50 1.54 1.3037 13 2 1 8 72.53 3.04 1.3033 7 3 3 8 72.89 2.95 1.2978 14 1 0 4 73.39 4.36 1.2901 1 1 4 8 74.17 1.52 1.2784 3 0 4 4 74.33 1.11 1.2762 10 5 0 4 74.43 14.31 1.2747 2 6 2 8 75.47 6.68 1.2596 3 6 2 8 75.47 1.81 1.2596 14 1 1 8 75.64 7.25 1.2573 4 0 4 4 76.04 2.24 1.2517 10 1 3 8 76.65 1.21 1.2432 8 6 0 4 77.11 5.17 1.2369 8 5 2 8 77.46 2.43 1.2322 2 5 3 8 78.39 1.89 1.2199 5 1 4 8 78.49 2.25 1.2186 3 5 3 8 78.79 3.73 1.2147 5 6 2 8 80.61 7.39 1.1918 9 5 2 8 81.03 2.08 1.1867 5 2 4 8 82.61 1.34 1.1679 5 7 1 8 83.08 1.15 1.1625 10 3 3 8 83.30 1.39 1.1600 7 1 4 8 83.69 1.97 1.1556 7 6 2 8 84.38 2.53 1.1479 16 0 0 2 85.31 1.08 1.1377 9 4 3 8 85.47 3.18 1.1360 8 0 4 4 87.65 1.18 1.1133 12 2 3 8 87.85 1.52 1.1113 16 2 0 4 88.72 2.53 1.1026 11 5 2 8 88.94 2.59 1.1005 8 2 4 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.