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Physical Properties of Palladium and Iridium


Physical Properties of Iridium and Palladium


Physical Properties

Melting Point
1,554.90 °C   
22
2,410.00 °C   
7

Boiling Point
2,963.00 °C   
33
4,527.00 °C   
10

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Silvery White   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
4.75   
9
6.50   
5

Brinell Hardness
320.00 MPa   
33
1,670.00 MPa   
5

Vickers Hardness
121.00 MPa   
36
1,760.00 MPa   
3

Speed of Sound
3,070.00 m/s   
26
4,825.00 m/s   
13

Optical Properties
  
  

Refractive Index
1.72   
1
Not Available   

Reflectivity
84.00 %   
4
78.00 %   
6

Allotropes
No   
No   

α Allotropes
Not Available   
Not Available   

β Allotropes
Not Available   
Not Available   

γ Allotropes
Not Available   
Not Available   

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