Color: bluish-gray
State at 25°C: solid
Density (g/cm3): 19.3
Hardness (Mohs): No data
Melting Point (K): 3683.2
Boiling Point (K): 5773
Heat of Fusion (kJ/mol): 35.229
Heat of Vaporization (kJ/mol): 824
Heat of Atomization (kJ/mol): 849
Therm. Conductivity (J/m sec K): 173
Elec. Conductivity (1/mohm cm): 176.991
Abundance, Solar System: -0.876
Abundance, Earth's Crust: 0.2
Pure Cost ($/100g): $ 11.00
Bulk Cost ($/100g):  
Source: Scheelite, wolframite(oxide)