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 = 1 Locality: synthetic _database_code_amcsd 0019690 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: 13.59923872 RIR: 1.143 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.85 4.49 5.2621 2 0 0 2 22.19 18.01 4.0062 2 1 0 4 23.35 10.01 3.8099 0 1 1 4 24.85 71.49 3.5824 1 1 1 8 25.00 10.08 3.5620 2 0 1 4 28.90 17.65 3.0895 0 2 0 2 28.93 4.99 3.0860 2 1 1 8 31.50 84.42 2.8403 3 0 1 4 33.64 23.19 2.6642 2 2 0 4 34.08 6.50 2.6310 4 0 0 2 34.76 92.34 2.5807 3 1 1 8 35.51 100.00 2.5278 1 2 1 8 37.14 18.73 2.4207 4 1 0 4 37.16 9.64 2.4196 0 0 2 2 38.16 7.14 2.3581 1 0 2 4 38.58 18.61 2.3339 2 2 1 8 38.96 15.28 2.3115 4 0 1 4 40.96 8.53 2.2031 1 1 2 8 43.27 2.64 2.0909 3 2 1 8 43.70 2.55 2.0712 2 1 2 8 47.08 1.92 1.9302 5 0 1 4 47.74 1.98 1.9049 0 2 2 4 48.83 12.12 1.8652 1 3 1 8 49.47 6.24 1.8424 5 1 1 8 50.99 74.93 1.7912 2 2 2 8 51.23 3.32 1.7830 2 3 1 8 51.30 23.21 1.7810 4 0 2 4 53.55 14.86 1.7113 4 1 2 8 54.37 14.52 1.6874 6 1 0 4 55.08 20.73 1.6674 3 3 1 8 56.19 13.61 1.6370 5 2 1 8 56.76 10.06 1.6218 4 3 0 4 57.83 3.55 1.5945 1 0 3 4 59.60 1.46 1.5513 1 3 2 8 59.88 23.51 1.5448 0 4 0 2 59.91 7.79 1.5439 1 1 3 8 59.95 2.39 1.5430 4 2 2 8 59.98 1.48 1.5423 2 0 3 4 60.16 2.98 1.5381 5 1 2 8 60.72 28.16 1.5253 6 2 0 4 62.02 1.38 1.4963 2 1 3 8 63.47 4.75 1.4656 3 0 3 4 64.95 13.58 1.4358 7 0 1 4 65.45 7.18 1.4260 3 1 3 8 65.92 7.32 1.4169 1 2 3 8 66.37 1.44 1.4084 5 3 1 8 67.70 2.84 1.3840 6 1 2 8 67.93 10.03 1.3799 2 2 3 8 68.19 2.81 1.3752 4 0 3 4 69.23 11.21 1.3570 3 4 1 8 69.81 2.48 1.3472 4 3 2 8 70.10 2.97 1.3424 4 1 3 8 70.52 4.60 1.3354 6 3 0 4 70.72 1.95 1.3321 4 4 0 4 72.61 4.49 1.3020 0 4 2 4 72.61 1.38 1.3020 7 2 1 8 73.25 1.06 1.2922 1 4 2 8 73.38 3.33 1.2903 6 2 2 8 75.39 1.90 1.2608 1 3 3 8 75.61 1.69 1.2576 5 3 2 8 79.13 1.22 1.2104 8 2 0 4 79.17 4.50 1.2098 0 0 4 2 80.42 3.61 1.1941 3 3 3 8 80.78 1.19 1.1897 1 5 1 8 81.35 7.05 1.1828 5 2 3 8 81.57 1.33 1.1802 7 2 2 8 82.08 1.53 1.1742 8 2 1 8 82.51 1.98 1.1692 6 3 2 8 82.69 6.23 1.1670 4 4 2 8 82.78 1.66 1.1660 6 1 3 8 83.68 1.92 1.1557 8 0 2 4 84.76 2.75 1.1437 4 3 3 8 85.47 2.10 1.1360 8 1 2 8 85.74 4.82 1.1332 3 5 1 8 86.98 2.10 1.1201 1 2 4 8 88.03 1.21 1.1095 1 4 3 8 88.83 4.43 1.1016 2 2 4 8 89.01 4.31 1.0998 7 0 3 4 89.07 2.08 1.0992 4 0 4 4 89.88 1.44 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.