Mimetite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R040123 Yongshan D, Hughes J M, Moore P B The Canadian Mineralogist 29 (1991) 369-376 The crystal structures of mimetite and clinomimetite, Pb5(AsO4)3Cl Locality: Durango, Mexico CELL PARAMETERS: 10.2302 10.2302 7.4150 90.000 90.000 120.000 SPACE GROUP: P6_3/m ATOM X Y Z OCCUPANCY ISO(B) Pb 0.33333 0.66667 0.50700 1.000 1.129 Pb 0.00470 0.25110 0.25000 1.000 1.176 As 0.38370 0.40910 0.25000 1.000 0.466 O 0.49500 0.32800 0.25000 1.000 1.721 O 0.48600 0.60400 0.25000 1.000 1.311 O 0.27500 0.35900 0.06700 1.000 3.229 Cl 0.00000 0.00000 0.00000 1.000 1.619 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 8 +/- 8 +/- 6 MAX. ABS. INTENSITY / VOLUME**2: 189.3538768 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 9.98 1.91 8.8596 1 0 0 17.34 3.82 5.1151 1 1 0 20.04 15.27 4.4298 2 0 0 21.10 17.28 4.2105 1 1 1 23.39 1.93 3.8029 2 0 1 24.00 10.40 3.7075 0 0 2 26.05 21.14 3.4201 1 0 2 26.62 19.42 3.3486 1 2 0 26.62 12.38 3.3486 2 1 0 29.26 59.63 3.0518 1 2 1 29.26 40.37 3.0518 2 1 1 29.76 91.70 3.0019 1 1 2 30.26 51.73 2.9532 3 0 0 31.47 2.12 2.8431 2 0 2 35.09 1.74 2.5575 2 2 0 37.19 1.06 2.4178 2 2 1 38.60 2.43 2.3325 3 1 1 38.99 2.78 2.3099 3 0 2 40.54 6.35 2.2255 1 1 3 40.74 4.43 2.2149 4 0 0 42.96 31.75 2.1052 2 2 2 44.22 6.60 2.0482 1 3 2 44.22 4.05 2.0482 3 1 2 44.58 4.86 2.0325 3 2 0 45.62 13.35 1.9886 1 2 3 45.62 15.19 1.9886 2 1 3 46.32 7.59 1.9602 2 3 1 46.32 11.30 1.9602 3 2 1 47.00 10.56 1.9333 1 4 0 47.00 8.91 1.9333 4 1 0 47.84 23.55 1.9014 4 0 2 49.15 13.05 1.8537 0 0 4 51.26 1.92 1.7823 2 3 2 52.51 1.77 1.7426 3 1 3 53.45 1.87 1.7143 1 4 2 53.45 1.74 1.7143 4 1 2 53.59 1.81 1.7101 2 0 4 54.83 2.40 1.6743 2 4 0 54.83 3.97 1.6743 4 2 0 55.28 6.74 1.6617 3 3 1 56.76 3.90 1.6218 1 2 4 56.76 3.89 1.6218 2 1 4 57.66 8.71 1.5987 5 0 2 57.96 2.51 1.5912 1 5 0 57.96 1.15 1.5912 5 1 0 58.81 12.33 1.5701 3 0 4 58.82 4.83 1.5699 2 3 3 58.82 2.75 1.5699 3 2 3 59.41 5.64 1.5558 1 5 1 59.41 2.42 1.5558 5 1 1 59.69 9.51 1.5491 3 3 2 65.68 2.10 1.4216 4 0 4 65.83 1.21 1.4187 2 5 0 66.64 3.20 1.4035 3 3 3 67.18 3.19 1.3934 2 5 1 67.18 1.23 1.3934 5 2 1 68.38 6.05 1.3718 6 0 2 68.51 1.93 1.3697 3 2 4 69.30 5.18 1.3560 1 2 5 69.30 2.18 1.3560 2 1 5 69.32 3.44 1.3557 4 3 2 69.58 1.24 1.3511 1 6 0 69.58 1.66 1.3511 6 1 0 70.36 5.04 1.3380 1 4 4 70.36 5.00 1.3380 4 1 4 70.37 2.33 1.3379 1 5 3 70.37 1.83 1.3379 5 1 3 70.90 1.31 1.3292 6 1 1 71.16 3.04 1.3250 2 5 2 71.16 4.94 1.3250 5 2 2 74.15 4.99 1.2788 4 4 0 76.70 2.54 1.2425 4 2 4 76.70 2.13 1.2425 2 4 4 77.59 2.15 1.2304 2 5 3 79.36 1.89 1.2074 1 5 4 79.85 4.68 1.2013 1 1 6 80.11 2.49 1.1980 3 2 5 80.12 3.53 1.1978 5 3 2 80.12 1.42 1.1978 7 0 2 80.12 1.07 1.1978 3 5 2 82.14 1.41 1.1735 1 7 0 82.14 1.90 1.1735 7 1 0 87.10 1.58 1.1190 3 3 5 87.71 3.02 1.1127 2 2 6 89.83 1.03 1.0919 1 6 4 89.83 1.67 1.0919 6 1 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.