Physical Properties of Hafnium and Rhodium
Physical Properties
Melting Point
2,150.00 °C
10
1,966.00 °C
12
Boiling Point
5,400.00 °C
5
3,727.00 °C
17
Appearance
Physical State
Solid
Solid
Color
Gray
Silvery White
Luster
Metallic
Metallic
Hardness
Mohs Hardness
5.50
7
6.00
6
Brinell Hardness
1,450.00 MPa
6
980.00 MPa
9
Vickers Hardness
1,520.00 MPa
5
1,100.00 MPa
9
Speed of Sound
3,010.00 m/s
27
4,700.00 m/s
15
Optical Properties
Reflectivity
Not Available
84.00 %
4
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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