Color: grayish-white
State at 25°C: solid
Density (g/cm3): 6.51
Hardness (Mohs): No data
Melting Point (K): 2125.2
Boiling Point (K): 4473
Heat of Fusion (kJ/mol): 23
Heat of Vaporization (kJ/mol): 582
Heat of Atomization (kJ/mol): 609
Therm. Conductivity (J/m sec K): 22.7
Elec. Conductivity (1/mohm cm): 25
Abundance, Solar System: 1.057
Abundance, Earth's Crust: 2.24
Pure Cost ($/100g): $ 16.00
Bulk Cost ($/100g): $ 16.00
Source: Zircon (silicate)