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Physical Properties of Iridium and Chromium


Physical Properties of Chromium and Iridium


Physical Properties

Melting Point
2,410.00 °C   
7
1,857.00 °C   
14

Boiling Point
4,527.00 °C   
10
2,672.00 °C   
39

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Silver   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
6.50   
5
8.50   
1

Brinell Hardness
1,670.00 MPa   
5
687.00 MPa   
16

Vickers Hardness
1,760.00 MPa   
3
1,060.00 MPa   
10

Speed of Sound
4,825.00 m/s   
13
5,940.00 m/s   
5

Optical Properties
  
  

Reflectivity
78.00 %   
6
Not Available   

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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