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Physical Properties of Gold and Hafnium


Physical Properties of Hafnium and Gold


Physical Properties

Melting Point
1,064.43 °C   
99+
2,150.00 °C   
10

Boiling Point
2,807.00 °C   
36
5,400.00 °C   
5

Appearance
  
  

Physical State
Solid   
Solid   

Color
Gold   
Gray   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
2.50   
14
5.50   
7

Brinell Hardness
194.00 MPa   
99+
1,450.00 MPa   
6

Vickers Hardness
216.00 MPa   
31
1,520.00 MPa   
5

Speed of Sound
2,030.00 m/s   
99+
3,010.00 m/s   
27

Optical Properties
  
  

Reflectivity
95.00 %   
2
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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