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Physical Properties of Rubidium and Iridium


Physical Properties of Iridium and Rubidium


Physical Properties

Melting Point
38.89 °C   
99+
2,410.00 °C   
7

Boiling Point
688.00 °C   
99+
4,527.00 °C   
10

Appearance
  
  

Physical State
Solid   
Solid   

Color
Grayish White   
Silvery White   

Luster
NA   
Metallic   

Hardness
  
  

Mohs Hardness
0.30   
24
6.50   
5

Brinell Hardness
0.22 MPa   
99+
1,670.00 MPa   
5

Vickers Hardness
Not Available   
1,760.00 MPa   
3

Speed of Sound
1,300.00 m/s   
99+
4,825.00 m/s   
13

Optical Properties
  
  

Reflectivity
Not Available   
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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