Colusite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from single crystal data of R070568 Spry P G, Merlino S, Wang S, Zhang X, Buseck P R American Mineralogist 79 (1994) 750-762 New occurrences and refined crystal chemistry of colusite, with comparisons to arsenosulvanite Sample: Sn-rich, crystal 2 AMCSD#0001670 CELL PARAMETERS: 10.6410 10.6410 10.6410 90.000 90.000 90.000 SPACE GROUP: P-43n ATOM X Y Z OCCUPANCY ISO(B) V 0.00000 0.00000 0.00000 1.000 0.758 Cu 0.25700 0.00000 0.00000 1.000 1.403 Cu 0.24950 0.24950 0.24950 1.000 2.084 Cu 0.25000 0.00000 0.50000 1.000 1.795 As 0.25000 0.50000 0.00000 0.640 0.803 Sn 0.25000 0.50000 0.00000 0.360 0.803 S 0.11920 0.11920 0.11920 1.000 1.469 S 0.37040 0.37340 0.12200 1.000 1.074 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 9 +/- 9 +/- 9 MAX. ABS. INTENSITY / VOLUME**2: 118.6172657 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 16.66 1.35 5.3205 2 0 0 18.65 1.63 4.7588 2 1 0 20.44 2.91 4.3442 2 1 1 29.07 100.00 3.0718 2 2 2 31.46 1.77 2.8439 3 2 1 33.69 15.24 2.6602 4 0 0 39.73 1.19 2.2687 3 3 2 48.39 59.72 1.8811 4 4 0 57.44 32.24 1.6042 6 2 2 60.26 3.00 1.5359 4 4 4 70.84 7.24 1.3301 8 0 0 78.33 9.91 1.2206 6 6 2 80.78 2.70 1.1897 8 4 0 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.