Property |
Specification |
Symbol |
C |
Atomic Number |
6 |
Density |
3.51 g/cm³ |
Melting Point |
3,550°C (6,422°F) |
Boiling Point |
Sublimes at around 4,027°C (7,280°F) |
Color |
Transparent, usually colorless (can also be yellow, blue, or brown) |
Hardness |
10 on the Mohs scale (hardest known material) |
Crystal Structure |
Face-centered cubic (FCC) |
Electrical Conductivity |
Non-conductive (insulator) |
Thermal Conductivity |
1,000–2,000 W/m·K (highest of any material) |
Refractive Index |
2.42 |
Solubility |
Insoluble in water and most acids |
Tensile Strength |
1,200–1,500 MPa |