Physical Properties of Manganese and Iridium
Melting Point
1,245.00 °C
  
37
Boiling Point
1,962.00 °C
  
99+
4,527.00 °C
  
10
Appearance
  
  
Physical State
Solid
  
Solid
  
Color
Silver
  
Silvery White
  
Luster
Metallic
  
Metallic
  
Hardness
  
  
Brinell Hardness
196.00 MPa
  
99+
1,670.00 MPa
  
5
Vickers Hardness
Not Available
  
1,760.00 MPa
  
3
Speed of Sound
5,150.00 m/s
  
7
4,825.00 m/s
  
13
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