Tetrahedrite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R050558 Johnson M L, Burnham C W American Mineralogist 70 (1985) 165-170 Crystal structure refinement of an arsenic-bearing argentian tetrahedrite CELL PARAMETERS: 10.27431 10.27431 10.27431 90.00000 90.00000 90.00000 SPACE GROUP: I-43m X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 12.15 8.48 7.2650 1 1 0 17.22 2.08 5.1372 2 0 0 21.14 1.86 4.1945 2 1 1 24.46 6.64 3.6325 2 2 0 27.41 1.20 3.2490 3 1 0 30.08 100.00 2.9659 2 2 2 32.56 7.53 2.7459 3 2 1 34.88 20.87 2.5686 4 0 0 37.07 6.81 2.4217 4 1 1 37.07 1.26 2.4217 3 3 0 39.16 1.33 2.2974 4 2 0 41.15 3.81 2.1905 3 3 2 43.07 1.08 2.0972 4 2 2 44.93 4.09 2.0150 5 1 0 44.93 5.71 2.0150 4 3 1 48.47 4.51 1.8758 5 2 1 50.16 40.23 1.8163 4 4 0 51.82 1.46 1.7620 4 3 3 55.03 4.67 1.6667 6 1 1 55.03 1.14 1.6667 5 3 2 56.59 1.35 1.6245 6 2 0 58.12 1.66 1.5854 5 4 1 59.62 21.12 1.5489 6 2 2 61.10 2.11 1.5149 6 3 1 62.56 2.29 1.4830 4 4 4 64.01 1.10 1.4530 5 4 3 66.84 1.35 1.3982 6 3 3 72.34 1.23 1.3048 7 3 2 72.34 1.33 1.3048 6 5 1 73.68 3.43 1.2843 8 0 0 75.02 1.01 1.2647 5 5 4 75.02 1.25 1.2647 8 1 1 77.67 2.37 1.2280 6 5 3 80.30 2.36 1.1944 8 3 1 81.60 4.81 1.1785 6 6 2 84.20 1.31 1.1487 8 4 0 90.65 1.27 1.0830 8 5 1 90.65 1.27 1.0830 8 5 1 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.