Physical Properties of Hafnium and Beryllium
Physical Properties
Melting Point
2,150.00 °C
10
1,278.00 °C
36
Boiling Point
5,400.00 °C
5
2,970.00 °C
32
Appearance
Physical State
Solid
Solid
Color
Gray
White Gray
Luster
Metallic
Metallic
Hardness
Mohs Hardness
5.50
7
5.50
7
Brinell Hardness
1,450.00 MPa
6
590.00 MPa
21
Vickers Hardness
1,520.00 MPa
5
1,670.00 MPa
4
Speed of Sound
3,010.00 m/s
27
12,890.00 m/s
2
Optical Properties
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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