Material Properties Diamond Synthetic admin May 20, 2016January 17, 2017 Material Properties for Diamond Synthetic Physical specifications of materials. Materials Diamond Description Synthetic Density g/cc 3.36 lb/in^3 0.1215 Hardness Brinell unless specified 10(Mohs) Tensile Strength ultimate Mpa 1200 Ksi 174 Yield Strength MPa Ksi Modulus of Elasticity Gpa 865 10^6 Psi 125.36231864 Poisson’s Ratio 0.2 %Elongation at break %Reduction of area Izod Impact J Ft-lb Fracture Toughness Mpa(m)^0.5 8 Ksi(in)^0.5 7.2 Thermal conductivity W/m-K 2000 Btu/ft-h-F 1156.069364 Specific Heat Cpacity J/g-K Btu/lb-F Coefficient of thermal expansion 1E-6/K 1E-6/F Electrical Resistivity Ohm-cm