Penfieldite Merlino S, Pasero M, Perchiazzi N, Gianfagna A Mineralogical Magazine 59 (1995) 341-347 X-ray and electron diffraction study of penfieldite: average structure and multiple cells Locality: Etruscan iron slag, Baratti beach, Piombiono, Tuscany, Italy _database_code_amcsd 0014517 CELL PARAMETERS: 11.3930 11.3930 4.0240 90.000 90.000 120.000 SPACE GROUP: P-6 X-RAY WAVELENGTH: 1.541838 Cell Volume: 452.340 Density (g/cm3): 5.910 MAX. ABS. INTENSITY / VOLUME**2: 160.1135677 RIR: 8.821 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.96 12.07 9.8666 1 0 0 3 15.56 30.05 5.6965 1 1 0 3 17.98 21.50 4.9333 2 0 0 3 23.86 92.15 3.7292 1 2 0 3 23.86 7.85 3.7292 2 1 0 3 23.88 28.15 3.7260 1 0 1 6 27.11 6.68 3.2889 3 0 0 3 27.13 32.38 3.2867 1 1 1 6 28.63 69.00 3.1182 2 0 1 6 32.73 3.65 2.7365 1 3 0 3 32.73 7.70 2.7365 3 1 0 3 32.74 6.98 2.7352 1 2 1 6 32.74 19.10 2.7352 2 1 1 6 35.24 37.04 2.5465 3 0 1 6 36.42 11.58 2.4667 4 0 0 3 38.73 15.58 2.3248 2 2 1 6 39.82 8.98 2.2636 2 3 0 3 39.82 5.58 2.2636 3 2 0 3 39.84 7.30 2.2628 1 3 1 6 39.84 27.99 2.2628 3 1 1 6 41.96 3.76 2.1531 1 4 0 3 41.96 24.07 2.1531 4 1 0 3 43.01 2.23 2.1030 4 0 1 6 45.06 14.84 2.0120 0 0 2 2 45.99 2.15 1.9733 5 0 0 3 46.00 2.52 1.9729 2 3 1 6 46.00 19.70 1.9729 3 2 1 6 47.91 2.47 1.8988 3 3 0 3 47.92 19.59 1.8984 1 4 1 6 47.92 2.54 1.8984 4 1 1 6 47.95 3.14 1.8971 1 1 2 6 48.84 8.50 1.8646 2 4 0 3 48.89 3.05 1.8630 2 0 2 6 51.57 1.00 1.7721 5 1 0 3 51.59 3.87 1.7718 5 0 1 6 51.62 1.69 1.7707 2 1 2 6 51.62 22.04 1.7707 1 2 2 6 53.35 1.46 1.7172 3 3 1 6 53.38 1.75 1.7163 3 0 2 6 54.22 3.18 1.6918 2 4 1 6 56.75 2.80 1.6221 3 4 0 3 56.75 1.20 1.6221 4 3 0 3 56.76 6.52 1.6218 1 5 1 6 56.76 1.80 1.6218 5 1 1 6 56.79 1.08 1.6210 1 3 2 6 56.79 2.83 1.6210 3 1 2 6 58.41 5.80 1.5799 5 2 0 3 59.27 5.09 1.5591 4 0 2 6 60.85 3.37 1.5222 6 0 1 6 61.64 4.35 1.5046 1 6 0 3 61.64 1.19 1.5046 6 1 0 3 61.65 6.98 1.5044 3 4 1 6 61.65 5.82 1.5044 4 3 1 6 61.68 4.40 1.5038 2 3 2 6 61.68 2.66 1.5038 3 2 2 6 63.26 2.03 1.4700 1 4 2 6 63.26 12.42 1.4700 4 1 2 6 66.31 3.12 1.4095 3 5 0 3 66.31 1.38 1.4095 5 3 0 3 66.31 1.79 1.4095 7 0 0 3 66.32 7.04 1.4093 6 1 1 6 66.35 1.26 1.4088 5 0 2 6 67.87 1.56 1.3810 3 3 2 6 68.62 5.49 1.3676 2 4 2 6 70.09 3.78 1.3425 4 4 1 6 70.83 2.46 1.3303 7 0 1 6 70.83 1.10 1.3303 3 5 1 6 70.83 1.77 1.3303 5 3 1 6 70.90 1.25 1.3291 1 0 3 6 72.38 1.69 1.3056 1 1 3 6 73.04 4.27 1.2954 2 6 1 6 73.04 1.98 1.2954 6 2 1 6 73.11 3.87 1.2943 2 0 3 6 75.21 1.21 1.2633 4 5 0 3 75.25 2.13 1.2628 3 4 2 6 75.29 1.27 1.2622 2 1 3 6 76.67 3.39 1.2430 1 7 1 6 76.69 4.64 1.2426 5 2 2 6 76.73 2.97 1.2420 3 0 3 6 78.88 1.54 1.2135 2 2 3 6 79.55 3.74 1.2050 1 6 2 6 79.55 1.02 1.2050 6 1 2 6 79.59 2.92 1.2044 3 1 3 6 80.95 2.36 1.1877 3 6 1 6 80.95 1.55 1.1877 6 3 1 6 83.76 2.95 1.1548 8 1 0 3 83.77 2.36 1.1547 7 2 1 6 83.79 1.68 1.1544 7 0 2 6 83.79 2.95 1.1544 3 5 2 6 83.79 1.30 1.1544 5 3 2 6 83.84 2.75 1.1539 3 2 3 6 85.24 3.00 1.1385 1 4 3 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.