Murdochite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from single crystal data of R110122 Dubler E, Vedani A, Oswald H R Acta Crystallographica C39 (1983) 1143-1146 New structure determination of murdochite, Cu6PbO8 Locality: Hansonburg mining district, New Mexico, USA _database_code_amcsd 0009981 CELL PARAMETERS: 9.2280 9.2280 9.2280 90.000 90.000 90.000 SPACE GROUP: Fm3m ATOM X Y Z OCCUPANCY ISO(B) Pb 0.00000 0.00000 0.00000 1.000 0.513 Cu 0.25000 0.25000 0.00000 1.000 0.616 O 0.14290 0.14290 0.14290 0.940 0.426 Cl 0.50000 0.50000 0.50000 0.640 3.790 Br 0.50000 0.50000 0.50000 0.360 1.579 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 8 +/- 8 +/- 8 MAX. ABS. INTENSITY / VOLUME**2: 223.8299135 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 16.64 41.88 5.3278 1 1 1 19.24 4.86 4.6140 2 0 0 27.34 8.62 3.2626 2 2 0 32.17 9.11 2.7823 3 1 1 33.64 100.00 2.6639 2 2 2 39.04 34.21 2.3070 4 0 0 42.71 16.52 2.1170 3 3 1 43.88 6.05 2.0634 4 2 0 48.32 2.89 1.8837 4 2 2 51.46 4.68 1.7759 5 1 1 56.40 38.63 1.6313 4 4 0 59.24 8.08 1.5598 5 3 1 60.17 1.18 1.5380 4 4 2 63.79 1.09 1.4591 6 2 0 66.43 2.03 1.4073 5 3 3 67.30 33.25 1.3912 6 2 2 70.73 7.40 1.3319 4 4 4 73.25 1.96 1.2922 5 5 1 73.25 2.75 1.2922 7 1 1 77.39 1.92 1.2331 6 4 2 79.84 1.46 1.2014 5 5 3 79.84 1.60 1.2014 7 3 1 83.88 4.78 1.1535 8 0 0 86.28 2.44 1.1274 7 3 3 87.09 1.10 1.1191 6 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.