Physical Properties of Uranium and Gold
Melting Point
1,132.00 °C
  
39
1,064.43 °C
  
99+
Boiling Point
3,818.00 °C
  
16
2,807.00 °C
  
36
Appearance
  
  
Physical State
Solid
  
Solid
  
Color
Silvery Gray
  
Gold
  
Luster
Metallic
  
Metallic
  
Hardness
  
  
Brinell Hardness
2,350.00 MPa
  
2
194.00 MPa
  
99+
Vickers Hardness
1,960.00 MPa
  
2
Speed of Sound
3,155.00 m/s
  
25
2,030.00 m/s
  
99+
Optical Properties
  
  
Reflectivity
Not Available
  
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available