Color: | black |
State at 25°C: | solid |
Density (g/cm3): | 2.35 |
Hardness (Mohs): | 9.5 |
Melting Point (K): | 2352.2 |
Boiling Point (K): | 3923.2 |
Heat of Fusion (kJ/mol): | 22.2 |
Heat of Vaporization (kJ/mol): | 504.5 |
Heat of Atomization (kJ/mol): | 573 |
Therm. Conductivity (J/m sec K): | 27.4 |
Elec. Conductivity (1/mohm cm): | 0 |
Abundance, Solar System: | 1.326 |
Abundance, Earth's Crust: | 1 |
Pure Cost ($/100g): | $ 250.00 |
Bulk Cost ($/100g): | |
Source: | Na and Ca borates (misc) |