Tephroite Yamazaki S, Toraya H Journal of Applied Crystallography 32 (1999) 51-59 Rietveld refinement of site-occupancy parameters of Mg2-xMnxSiO4 using a new weight function in least-squares fitting Note: e = eo Locality: synthetic _database_code_amcsd 0019689 CELL PARAMETERS: 10.4510 6.1245 4.8076 90.000 90.000 90.000 SPACE GROUP: Pnma X-RAY WAVELENGTH: 1.541838 Cell Volume: 307.717 Density (g/cm3): 3.698 MAX. ABS. INTENSITY / VOLUME**2: 11.30549574 RIR: 0.996 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.97 3.27 5.2255 2 0 0 2 22.36 22.83 3.9752 2 1 0 4 23.53 12.15 3.7816 0 1 1 4 25.04 68.46 3.5560 1 1 1 8 25.17 11.43 3.5380 2 0 1 4 29.15 5.70 3.0636 2 1 1 8 29.16 22.93 3.0622 0 2 0 2 31.72 78.76 2.8209 3 0 1 4 33.93 15.34 2.6420 2 2 0 4 34.32 3.77 2.6128 4 0 0 2 35.02 100.00 2.5622 3 1 1 8 35.81 95.69 2.5074 1 2 1 8 37.41 6.53 2.4038 0 0 2 2 37.42 20.40 2.4032 4 1 0 4 38.43 8.19 2.3426 1 0 2 4 38.90 24.59 2.3154 2 2 1 8 39.24 19.08 2.2956 4 0 1 4 41.26 10.42 2.1880 1 1 2 8 43.62 1.76 2.0748 3 2 1 8 44.02 2.10 2.0570 2 1 2 8 45.87 1.33 1.9785 3 0 2 4 47.43 1.78 1.9169 5 0 1 4 48.12 3.00 1.8908 0 2 2 4 48.96 1.09 1.8606 1 2 2 8 49.27 11.60 1.8494 1 3 1 8 49.85 5.88 1.8294 5 1 1 8 51.39 75.17 1.7780 2 2 2 8 51.67 23.22 1.7690 4 0 2 4 51.70 3.65 1.7682 2 3 1 8 53.95 16.30 1.6995 4 1 2 8 54.79 15.01 1.6754 6 1 0 4 55.28 1.13 1.6618 3 2 2 8 55.57 22.60 1.6538 3 3 1 8 56.65 11.13 1.6248 5 2 1 8 57.27 10.91 1.6087 4 3 0 4 58.25 2.99 1.5840 1 0 3 4 60.12 1.91 1.5391 1 3 2 8 60.36 7.75 1.5335 1 1 3 8 60.42 1.79 1.5321 2 0 3 4 60.43 2.02 1.5318 4 2 2 8 60.46 25.69 1.5311 0 4 0 2 60.62 3.75 1.5274 5 1 2 8 61.22 31.86 1.5140 6 2 0 4 62.49 1.53 1.4863 2 1 3 8 63.95 4.16 1.4559 3 0 3 4 65.46 13.72 1.4258 7 0 1 4 65.95 7.74 1.4164 3 1 3 8 66.45 7.05 1.4069 1 2 3 8 66.96 1.36 1.3974 5 3 1 8 68.23 2.75 1.3745 6 1 2 8 68.48 12.61 1.3702 2 2 3 8 68.71 3.86 1.3660 4 0 3 4 69.90 10.65 1.3457 3 4 1 8 70.43 2.76 1.3369 4 3 2 8 70.65 3.29 1.3333 4 1 3 8 71.15 4.83 1.3251 6 3 0 4 71.41 1.37 1.3210 4 4 0 4 73.23 2.05 1.2926 7 2 1 8 73.31 3.69 1.2914 0 4 2 4 73.96 1.28 1.2816 1 4 2 8 73.99 2.43 1.2811 6 2 2 8 74.49 1.36 1.2738 4 4 1 8 75.41 1.19 1.2605 0 3 3 4 76.05 1.94 1.2515 1 3 3 8 76.29 2.08 1.2482 5 3 2 8 79.80 4.73 1.2019 0 0 4 2 79.82 1.26 1.2016 8 2 0 4 80.55 1.02 1.1926 2 5 0 4 81.14 3.87 1.1853 3 3 3 8 81.64 1.14 1.1794 1 5 1 8 82.05 6.79 1.1745 5 2 3 8 82.28 1.52 1.1718 7 2 2 8 82.80 1.72 1.1657 8 2 1 8 83.26 1.91 1.1604 6 3 2 8 83.47 1.97 1.1581 6 1 3 8 83.50 6.35 1.1577 4 4 2 8 84.39 2.02 1.1478 8 0 2 4 85.54 3.03 1.1353 4 3 3 8 86.21 2.08 1.1282 8 1 2 8 86.65 5.33 1.1235 3 5 1 8 87.74 2.32 1.1124 1 2 4 8 88.90 1.04 1.1009 1 4 3 8 89.61 3.98 1.0940 2 2 4 8 89.78 4.23 1.0924 7 0 3 4 89.83 1.92 1.0919 4 0 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.