Color: silvery
State at 25°C: solid
Density (g/cm3): 7.14
Hardness (Mohs): 2.5
Melting Point (K): 692.78
Boiling Point (K): 1180
Heat of Fusion (kJ/mol): 6.7
Heat of Vaporization (kJ/mol): 115
Heat of Atomization (kJ/mol): 131
Therm. Conductivity (J/m sec K): 116
Elec. Conductivity (1/mohm cm): 169.033
Abundance, Solar System: 3.100
Abundance, Earth's Crust: 1.79
Pure Cost ($/100g): $ 3.70
Bulk Cost ($/100g): $ 0.12
Source: Sphalerite (sulfide)