Chalcocite Tomeoka K, Ohmasa M American Mineralogist 67 (1982) 360-372 The modulated structure of cubic Cu9BiS6 the alpha phase _database_code_amcsd 0000864 CELL PARAMETERS: 5.5630 5.5630 5.5630 90.000 90.000 90.000 SPACE GROUP: Fm3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 172.158 Density (g/cm3): 5.644 MAX. ABS. INTENSITY / VOLUME**2: 72.12734471 RIR: 4.161 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 32.18 2.11 2.7815 2 0 0 6 46.15 100.00 1.9668 2 2 0 12 54.72 2.59 1.6773 3 1 1 24 67.33 6.24 1.3908 4 0 0 6 85.52 11.08 1.1355 4 2 2 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.