Pyromorphite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R050085 Dai Y S, Hughes J M The Canadian Mineralogist 27 (1989) 189-192 Crystal-structure refinements of vanadinite and pyromorphite CELL PARAMETERS: 9.9925 9.9925 7.3451 90.000 90.000 120.000 SPACE GROUP: P6_3/m ATOM X Y Z OCCUPANCY ISO(B) Pb 0.33333 0.66667 0.00480 1.000 0.675 Pb 0.25429 0.00536 0.25000 1.000 0.846 P 0.41040 0.37870 0.25000 1.000 0.376 O 0.34300 0.49000 0.25000 1.000 0.253 O 0.59000 0.47500 0.25000 1.000 0.174 O 0.35900 0.27400 0.08400 1.000 0.363 Cl 0.00000 0.00000 0.00000 1.000 0.300 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 7 +/- 7 +/- 6 MAX. ABS. INTENSITY / VOLUME**2: 169.3288250 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 17.75 9.53 4.9963 1 1 0 20.53 28.27 4.3269 2 0 0 21.51 44.38 4.1311 1 1 1 23.87 1.96 3.7281 2 0 1 24.23 6.66 3.6725 0 0 2 26.36 30.01 3.3807 1 0 2 27.27 15.86 3.2708 1 2 0 27.27 19.72 3.2708 2 1 0 29.90 41.12 2.9880 1 2 1 29.90 50.39 2.9880 2 1 1 30.20 100.00 2.9591 1 1 2 31.00 53.69 2.8846 3 0 0 35.95 2.73 2.4981 2 2 0 36.80 1.19 2.4425 1 2 2 39.73 6.02 2.2685 3 0 2 41.05 15.55 2.1986 1 1 3 41.75 6.13 2.1634 4 0 0 43.83 37.39 2.0656 2 2 2 45.13 12.00 2.0091 3 1 2 45.13 8.36 2.0091 1 3 2 45.70 7.12 1.9853 2 3 0 45.70 2.60 1.9853 3 2 0 46.32 15.10 1.9601 1 2 3 46.32 12.08 1.9601 2 1 3 47.44 13.88 1.9165 2 3 1 47.44 9.61 1.9165 3 2 1 48.19 9.72 1.8884 1 4 0 48.19 14.84 1.8884 4 1 0 48.86 31.15 1.8641 4 0 2 49.65 12.68 1.8363 0 0 4 53.14 2.09 1.7236 1 1 4 54.27 3.62 1.6904 2 0 4 54.65 2.98 1.6794 1 4 2 54.65 1.68 1.6794 4 1 2 55.15 1.19 1.6654 3 3 0 56.25 3.58 1.6354 2 4 0 56.25 2.12 1.6354 4 2 0 56.67 5.81 1.6242 3 3 1 57.56 6.13 1.6012 1 2 4 57.56 3.76 1.6012 2 1 4 59.00 5.30 1.5656 5 0 2 59.47 1.53 1.5543 1 5 0 59.47 2.56 1.5543 5 1 0 59.69 12.96 1.5490 3 0 4 59.99 3.37 1.5421 2 3 3 59.99 5.85 1.5421 3 2 3 60.93 4.21 1.5206 1 5 1 60.93 6.30 1.5206 5 1 1 61.10 10.74 1.5167 3 3 2 62.80 1.08 1.4796 2 2 4 66.32 2.12 1.4094 1 1 5 66.83 3.26 1.4000 4 0 4 67.61 1.09 1.3857 2 5 0 68.09 2.59 1.3770 3 3 3 68.96 1.91 1.3617 2 5 1 68.96 3.47 1.3617 5 2 1 69.76 1.25 1.3481 3 2 4 69.76 2.87 1.3481 2 3 4 70.09 7.28 1.3425 6 0 2 70.24 2.55 1.3401 1 2 5 70.24 4.51 1.3401 2 1 5 71.06 4.51 1.3266 3 4 2 71.06 1.49 1.3266 4 3 2 71.49 1.42 1.3197 1 6 0 71.49 1.17 1.3197 6 1 0 71.69 7.71 1.3165 4 1 4 71.69 6.35 1.3165 1 4 4 71.96 2.79 1.3122 1 5 3 71.96 2.81 1.3122 5 1 3 72.81 2.61 1.2989 1 6 1 72.81 1.63 1.2989 6 1 1 72.97 6.90 1.2965 2 5 2 72.97 5.84 1.2965 5 2 2 76.22 2.32 1.2491 4 4 0 78.28 2.42 1.2213 2 4 4 78.28 2.61 1.2213 4 2 4 78.99 1.35 1.2121 1 0 6 79.47 2.60 1.2060 5 2 3 79.47 1.22 1.2060 2 5 3 80.84 5.97 1.1890 1 1 6 81.06 1.55 1.1863 1 5 4 81.06 2.27 1.1863 5 1 4 81.51 1.34 1.1809 3 2 5 81.51 2.96 1.1809 2 3 5 82.29 1.94 1.1717 7 0 2 82.29 1.05 1.1717 3 5 2 83.15 1.38 1.1617 1 6 3 83.15 1.03 1.1617 6 1 3 88.82 1.48 1.1017 3 3 5 89.06 4.26 1.0993 2 2 6 89.97 1.12 1.0905 3 1 6 89.97 1.39 1.0905 1 3 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.