Physical Properties of Tantalum and Molybdenum
Appearance
  
  
Physical State
Solid
  
Solid
  
Color
Gray Blue
  
Gray
  
Luster
Metallic
  
Metallic
  
Hardness
  
  
Brinell Hardness
1,370.00 MPa
  
7
Vickers Hardness
1,400.00 MPa
  
6
Speed of Sound
3,400.00 m/s
  
22
5,400.00 m/s
  
6
Optical Properties
  
  
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available