Diamond

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
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