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 0019691 CELL PARAMETERS: 10.5241 6.1790 4.8393 90.000 90.000 90.000 SPACE GROUP: Pnma X-RAY WAVELENGTH: 1.541838 Cell Volume: 314.692 Density (g/cm3): 3.874 MAX. ABS. INTENSITY / VOLUME**2: 13.47932857 RIR: 1.133 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.85 3.40 5.2621 2 0 0 2 22.19 16.46 4.0062 2 1 0 4 23.35 9.72 3.8099 0 1 1 4 24.85 75.16 3.5824 1 1 1 8 25.00 9.91 3.5620 2 0 1 4 28.90 18.52 3.0895 0 2 0 2 28.93 4.82 3.0860 2 1 1 8 31.50 86.74 2.8403 3 0 1 4 33.64 23.44 2.6642 2 2 0 4 34.08 6.20 2.6310 4 0 0 2 34.76 93.10 2.5807 3 1 1 8 35.51 100.00 2.5278 1 2 1 8 37.14 19.64 2.4207 4 1 0 4 37.16 9.99 2.4196 0 0 2 2 38.16 7.44 2.3581 1 0 2 4 38.58 19.22 2.3339 2 2 1 8 38.96 15.70 2.3115 4 0 1 4 40.96 8.93 2.2031 1 1 2 8 43.27 2.38 2.0909 3 2 1 8 43.70 2.59 2.0712 2 1 2 8 47.08 1.72 1.9302 5 0 1 4 47.74 2.22 1.9049 0 2 2 4 48.83 12.67 1.8652 1 3 1 8 49.47 6.36 1.8424 5 1 1 8 50.99 76.00 1.7912 2 2 2 8 51.23 3.19 1.7830 2 3 1 8 51.30 23.43 1.7810 4 0 2 4 53.55 15.34 1.7113 4 1 2 8 54.37 14.97 1.6874 6 1 0 4 55.08 20.92 1.6674 3 3 1 8 56.19 14.10 1.6370 5 2 1 8 56.76 10.27 1.6218 4 3 0 4 57.83 3.59 1.5945 1 0 3 4 59.60 1.53 1.5513 1 3 2 8 59.88 24.21 1.5448 0 4 0 2 59.91 7.93 1.5439 1 1 3 8 59.95 2.37 1.5430 4 2 2 8 59.98 1.53 1.5423 2 0 3 4 60.16 3.11 1.5381 5 1 2 8 60.72 28.67 1.5253 6 2 0 4 62.02 1.39 1.4963 2 1 3 8 63.47 4.84 1.4656 3 0 3 4 64.95 13.90 1.4358 7 0 1 4 65.45 7.54 1.4260 3 1 3 8 65.92 7.65 1.4169 1 2 3 8 66.37 1.46 1.4084 5 3 1 8 67.70 3.15 1.3840 6 1 2 8 67.93 10.14 1.3799 2 2 3 8 68.19 2.81 1.3752 4 0 3 4 69.23 11.76 1.3570 3 4 1 8 69.81 2.66 1.3472 4 3 2 8 70.10 2.94 1.3424 4 1 3 8 70.52 4.80 1.3354 6 3 0 4 70.72 1.89 1.3321 4 4 0 4 72.61 4.58 1.3020 0 4 2 4 72.61 1.44 1.3020 7 2 1 8 73.25 1.11 1.2922 1 4 2 8 73.38 3.20 1.2903 6 2 2 8 73.77 1.07 1.2843 4 4 1 8 75.39 1.91 1.2608 1 3 3 8 75.61 1.77 1.2576 5 3 2 8 79.13 1.33 1.2104 8 2 0 4 79.17 4.56 1.2098 0 0 4 2 80.42 3.77 1.1941 3 3 3 8 80.78 1.22 1.1897 1 5 1 8 81.35 7.43 1.1828 5 2 3 8 81.57 1.40 1.1802 7 2 2 8 82.08 1.50 1.1742 8 2 1 8 82.51 2.12 1.1692 6 3 2 8 82.69 6.50 1.1670 4 4 2 8 82.78 1.64 1.1660 6 1 3 8 83.68 1.97 1.1557 8 0 2 4 84.76 2.68 1.1437 4 3 3 8 85.47 2.12 1.1360 8 1 2 8 85.74 4.87 1.1332 3 5 1 8 86.98 2.17 1.1201 1 2 4 8 88.03 1.28 1.1095 1 4 3 8 88.83 4.69 1.1016 2 2 4 8 89.01 4.51 1.0998 7 0 3 4 89.07 2.15 1.0992 4 0 4 4 89.88 1.43 1.0914 2 4 3 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.