Color: orange-red
State at 25°C: solid
Density (g/cm3): 8.95
Hardness (Mohs): 2.75
Melting Point (K): 1356.6
Boiling Point (K): 2843
Heat of Fusion (kJ/mol): 13.012
Heat of Vaporization (kJ/mol): 305
Heat of Atomization (kJ/mol): 338
Therm. Conductivity (J/m sec K): 401
Elec. Conductivity (1/mohm cm): 595.8
Abundance, Solar System: 2.718
Abundance, Earth's Crust: 1.7
Pure Cost ($/100g): $ 2.70
Bulk Cost ($/100g): $ 0.24
Source: Cu pyrite, chalcocite (sulfide)