Pyromorphite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R050015 Dai Y S, Hughes J M The Canadian Mineralogist 27 (1989) 189-192 Crystal-structure refinements of vanadinite and pyromorphite CELL PARAMETERS: 10.0268 10.0268 7.3607 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 0.680 Pb 0.25429 0.00536 0.25000 1.000 0.851 P 0.41040 0.37870 0.25000 1.000 0.378 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: 167.4364260 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 17.69 9.54 5.0134 1 1 0 20.46 28.30 4.3417 2 0 0 21.44 44.38 4.1436 1 1 1 23.79 1.96 3.7396 2 0 1 24.18 6.65 3.6804 0 0 2 26.30 29.97 3.3886 1 0 2 27.17 15.89 3.2820 1 2 0 27.17 19.75 3.2820 2 1 0 29.81 41.19 2.9976 1 2 1 29.81 50.49 2.9976 2 1 1 30.12 100.00 2.9668 1 1 2 30.89 53.82 2.8945 3 0 0 35.82 2.73 2.5067 2 2 0 36.69 1.19 2.4495 1 2 2 39.61 6.03 2.2752 3 0 2 40.95 15.56 2.2038 1 1 3 41.60 6.15 2.1709 4 0 0 43.69 37.48 2.0718 2 2 2 44.98 12.03 2.0152 3 1 2 44.98 8.38 2.0152 1 3 2 45.53 7.15 1.9921 2 3 0 45.53 2.61 1.9921 3 2 0 46.20 15.12 1.9651 1 2 3 46.20 12.10 1.9651 2 1 3 47.27 13.93 1.9229 2 3 1 47.27 9.64 1.9229 3 2 1 48.01 9.75 1.8949 1 4 0 48.01 14.90 1.8949 4 1 0 48.70 31.23 1.8698 4 0 2 49.54 12.68 1.8402 0 0 4 53.01 2.10 1.7275 1 1 4 54.13 3.62 1.6943 2 0 4 54.46 2.99 1.6847 1 4 2 54.46 1.69 1.6847 4 1 2 54.94 1.19 1.6711 3 3 0 56.04 3.59 1.6410 2 4 0 56.04 2.13 1.6410 4 2 0 56.47 5.83 1.6297 3 3 1 57.41 6.14 1.6051 1 2 4 57.41 3.76 1.6051 2 1 4 58.79 5.31 1.5706 5 0 2 59.25 2.57 1.5596 5 1 0 59.25 1.54 1.5596 1 5 0 59.53 12.98 1.5529 3 0 4 59.80 3.37 1.5465 2 3 3 59.80 5.87 1.5465 3 2 3 60.70 6.33 1.5257 5 1 1 60.70 4.23 1.5257 1 5 1 60.88 10.78 1.5216 3 3 2 62.62 1.08 1.4834 2 2 4 66.16 2.12 1.4125 1 1 5 66.62 3.27 1.4037 4 0 4 67.34 1.10 1.3905 2 5 0 67.86 2.60 1.3812 3 3 3 68.70 1.92 1.3663 2 5 1 68.70 3.48 1.3663 5 2 1 69.55 1.25 1.3517 3 2 4 69.55 2.88 1.3517 2 3 4 69.83 7.31 1.3469 6 0 2 70.05 2.55 1.3432 1 2 5 70.05 4.52 1.3432 2 1 5 70.79 4.53 1.3309 3 4 2 70.79 1.50 1.3309 4 3 2 71.21 1.43 1.3242 1 6 0 71.21 1.18 1.3242 6 1 0 71.46 7.73 1.3201 4 1 4 71.46 6.36 1.3201 1 4 4 71.71 2.80 1.3162 1 5 3 71.71 2.81 1.3162 5 1 3 72.53 2.62 1.3033 1 6 1 72.53 1.64 1.3033 6 1 1 72.70 6.92 1.3007 2 5 2 72.70 5.86 1.3007 5 2 2 75.92 2.33 1.2534 4 4 0 78.02 2.42 1.2248 2 4 4 78.02 2.62 1.2248 4 2 4 78.79 1.35 1.2147 1 0 6 79.18 1.23 1.2097 2 5 3 79.18 2.60 1.2097 5 2 3 80.62 5.96 1.1916 1 1 6 80.78 2.27 1.1898 5 1 4 80.78 1.55 1.1898 1 5 4 81.26 1.34 1.1839 3 2 5 81.26 2.96 1.1839 2 3 5 81.96 1.95 1.1755 7 0 2 81.96 1.06 1.1755 3 5 2 82.84 1.38 1.1653 1 6 3 82.84 1.03 1.1653 6 1 3 88.52 1.48 1.1046 3 3 5 88.79 4.26 1.1019 2 2 6 89.70 1.39 1.0931 1 3 6 89.70 1.12 1.0931 3 1 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.