Color: silvery
State at 25°C: solid
Density (g/cm3): 2.63
Hardness (Mohs): 1.8
Melting Point (K): 1042.2
Boiling Point (K): 1654
Heat of Fusion (kJ/mol): 9.205
Heat of Vaporization (kJ/mol): 139
Heat of Atomization (kJ/mol): 164
Therm. Conductivity (J/m sec K): 35.4
Elec. Conductivity (1/mohm cm): 43.478
Abundance, Solar System: 1.371
Abundance, Earth's Crust: 2.6
Pure Cost ($/100g): $ 100.00
Bulk Cost ($/100g):  
Source: Celestite (sulfide)