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Iridium

Density 22.65 g/cm3
Thermal Conductivity @ 0oC 0.35 cal/(s/cm/oC)
Specific Heat @ 0oC 0.031 cal/g
Heat of Fusion 6.6 kcal/g-atom
Latent Heat of Fusion kcal/g-mole
Heat of Vaporization 152 kcal/g-atom
Latent Heat of Vaporization kcal/g
Atomic Volume 8.54 W/D
First Ionizaton Energy 212 kcal/g-mole
Electronegativity 2.2 Paulings
Covalent Radius 1.27 Angstroms
Brinell Hardness  
Mohs Hardness @ 20oC  
Vickers Hardness @ 20oC 500
Linear CTE @ (RANGE)oC 6.8 x 10-6
Electrical Resistivity @ 20oC 5.11 mohm/cm
Electrical Conductance mohm-1
Crystal Structure Cubic, face centered
Curie Temperature oC
Modulus of Elasticity 1.57 x 106 psi
Youngs Modulus 76 x 106 psi
Thermal Neutron Cross-section barnes/atom
Magnetic Moment Bohr magnetrons
Magnetic Succeptibility @ 20oC 6.6 x 10-6 cgs
Tensile Strength 160000 psi
Yield Strength psi
Electron Work Function  
Vapor Pressure @ 25 oC m
Poisson Ratio  
Shear Modulus  
Critical Temperature oC
Transformation Temperature oC
Critical Pressure atm
Standard Electrode Potential Volts
Ionization Potential eV
Compressability x 10-6 cm2/kg
Thermionic Work Function eV
Debye Temperature oK
Yield Point psi
Hall Consatant x 10-13 (ohm/cm)/gauss