OPTICAL
	Transmission Range	0.13 to 10 microns
	Refractive Index	1.39908 at 5 microns
	Reflection Loss	5.5% at 5 µm (2 surfaces)
	Restrahlen Peak	35 microns
	dN/dT	-10.6 x 10-6/°C
PHYSICAL
	Density	3.18 g/cm3
	Melting Point	1360 °C
	Thermal Conductivity	9.71 W/(m*K)
	Thermal Expansion	18.85 x 10-6/°C
	Hardness	Knoop 158.3 kg/mm2 (100)
	Specific Heat Capacity	854J/(kg K)
	Dielectric Constant	6.76 at 1MHz
	Young's Modulus (E)	75.8 GPa
	Shear Modulus (G)	33.77 GPa
	Bulk Modulus (K)	82.71 GPa
	Elastic Coefficients	C11=164 MPa, C12=53 MPa, C44=33.7 MPa
	Apparent Elastic Limit	36.54 MPa
	Poisson Ratio	0.26
CHEMICAL
	Solubility	0.0017g/100g water at 20 °C
	Molecular Weight	78.08
	Class/Structure	Cubic (111) cleavage

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