Density, g/cm³

2.3291

Solubility

Insoluble in water

Type of Material

single crystal, synthetic

Crystal Structure

cubic,
diamond structure,a0 = 5.43086 Å

Melting Point, at °C

1420

Thermal Conductivity, W/(m · K) at 0 °C

163.32
27.2

Thermal Expansion, 1/°C

4.15 x 10^-6

Mohs Hardness

1150

Specific Heat Capacity, J/(kg · K) at 25 °C

703

Dielectric Constant

13.0

Young´s Modulus (E), GPa

131

Shear Modulus (G), GPa

79.9

Bulk Modulus (K), GPa

102.0

Elastic Coefficients

C₁₁ = 167
C₁₂ = 65
C₄₄ = 80

Poisson´s Ratio

0.266

Lattice Constant, Å

5.43

Debye Temperature, °C

367

Rupture Modulus, MPa

125

Knoop Hardness, kg/mm2

1100

Spektrale Eigenschaften