Mattheddleite Steele I M, Pluth J J, Livingstone A Mineralogical Magazine 64 (2000) 915-921 Crystal structure of mattheddleite: a Pb, S, Si phase with the apatite structure Locality: Leadhills, Scotland _database_code_amcsd 0014546 CELL PARAMETERS: 10.0056 10.0056 7.4960 90.000 90.000 120.000 SPACE GROUP: P6_3/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 649.900 Density (g/cm3): 6.874 MAX. ABS. INTENSITY / VOLUME**2: 190.8769529 RIR: 9.042 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.21 11.27 8.6651 1 0 0 6 17.73 1.23 5.0028 1 1 0 6 20.50 20.35 4.3326 2 0 0 6 21.35 60.06 4.1612 1 1 1 12 23.74 16.48 3.7480 0 0 2 2 25.90 18.15 3.4400 1 0 2 12 27.23 10.46 3.2751 1 2 0 6 27.23 14.55 3.2751 2 1 0 6 29.77 43.84 3.0012 1 2 1 12 29.77 56.16 3.0012 2 1 1 12 29.79 49.56 2.9996 1 1 2 12 30.96 29.33 2.8884 3 0 0 6 36.43 2.92 2.4662 1 2 2 12 37.42 2.65 2.4033 1 3 0 6 40.35 9.88 2.2354 1 1 3 12 41.69 10.80 2.1663 4 0 0 6 43.50 16.25 2.0806 2 2 2 12 44.80 5.12 2.0231 1 3 2 12 44.80 4.47 2.0231 3 1 2 12 45.64 3.48 1.9879 2 3 0 6 45.64 1.74 1.9879 3 2 0 6 45.67 8.82 1.9865 1 2 3 12 45.67 8.52 1.9865 2 1 3 12 47.31 10.70 1.9215 2 3 1 12 47.31 10.42 1.9215 3 2 1 12 48.12 4.82 1.8909 1 4 0 6 48.12 5.51 1.8909 4 1 0 6 48.54 20.19 1.8755 4 0 2 12 48.58 4.77 1.8740 0 0 4 2 56.17 1.99 1.6376 2 4 0 6 56.17 1.08 1.6376 4 2 0 6 56.54 5.14 1.6278 3 3 1 12 56.58 1.75 1.6265 1 2 4 12 56.58 1.08 1.6265 2 1 4 12 58.69 2.72 1.5730 5 0 2 12 58.73 3.59 1.5721 3 0 4 12 59.39 1.38 1.5563 5 1 0 6 59.41 1.47 1.5556 2 3 3 12 59.41 3.40 1.5556 3 2 3 12 60.78 4.80 1.5238 5 1 1 12 60.78 3.05 1.5238 1 5 1 12 60.79 3.60 1.5236 3 3 2 12 65.91 1.04 1.4173 4 0 4 12 67.53 1.31 1.3871 3 3 3 12 68.81 1.81 1.3644 2 5 1 12 68.81 2.08 1.3644 5 2 1 12 69.79 2.07 1.3476 6 0 2 12 70.75 1.34 1.3316 3 4 2 12 70.79 1.64 1.3310 1 4 4 12 70.79 1.45 1.3310 4 1 4 12 71.41 1.01 1.3210 1 5 3 12 71.41 1.32 1.3210 5 1 3 12 72.65 1.37 1.3014 1 6 1 12 72.65 1.25 1.3014 6 1 1 12 72.66 2.18 1.3012 2 5 2 12 72.66 1.34 1.3012 5 2 2 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.