Physical Properties of Aluminium and Neptunium
Boiling Point
2,467.00 °C
  
99+
3,902.00 °C
  
13
Appearance
  
  
Physical State
Solid
  
Solid
  
Color
Silvery Gray
  
Silver
  
Luster
Metallic
  
Metallic
  
Hardness
  
  
Mohs Hardness
Not Available
  
Brinell Hardness
160.00 MPa
  
99+
Not Available
  
Vickers Hardness
Not Available
  
Speed of Sound
5,000.00 m/s
  
10
Not Available
  
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