Color: gray
State at 25°C: solid
Density (g/cm3): 11.342
Hardness (Mohs): 1.5
Melting Point (K): 600.702
Boiling Point (K): 2024
Heat of Fusion (kJ/mol): 5.1
Heat of Vaporization (kJ/mol): 178
Heat of Atomization (kJ/mol): 196
Therm. Conductivity (J/m sec K): 35.3
Elec. Conductivity (1/mohm cm): 48.431
Abundance, Solar System: 0.498
Abundance, Earth's Crust: 1.1
Pure Cost ($/100g): $ 1.50
Bulk Cost ($/100g): $ 0.08
Source: Galena (sulfide)