Color: bluish-white
State at 25°C: solid
Density (g/cm3): 8.65
Hardness (Mohs): 2
Melting Point (K): 594.1
Boiling Point (K): 1038
Heat of Fusion (kJ/mol): 6.109
Heat of Vaporization (kJ/mol): 107
Heat of Atomization (kJ/mol): 112
Therm. Conductivity (J/m sec K): 96.9
Elec. Conductivity (1/mohm cm): 146.413
Abundance, Solar System: 0.207
Abundance, Earth's Crust: -0.7
Pure Cost ($/100g): $ 6.00
Bulk Cost ($/100g):  
Source: Sphalerite (sulfide)