High hardness, excellent thermal and electrical conductivity, and can resist oxidation at high temperatures.
Green Silicon Carbide (SiC) is an extremely hard (Mohs 9.4 / 2,600 Knoop) man made mineral.
that possesses high thermal conductivity and high strength at elevated temperatures (at 1,000°C, SiC is 7.5 times stronger than Al2O3). SiC has a modulus of elasticity of 410 Gpa, with no decrease in strength up to 1,600°C, and it does not melt at normal pressures but instead dissociates at 2,700°C.