Physical Properties of Lithium and Hafnium
Physical Properties
Melting Point
180.54 °C
99+
2,150.00 °C
10
Boiling Point
1,347.00 °C
99+
5,400.00 °C
5
Appearance
Physical State
Solid
Solid
Color
Silvery White
Gray
Luster
NA
Metallic
Hardness
Mohs Hardness
0.60
21
5.50
7
Brinell Hardness
5.00 MPa
99+
1,450.00 MPa
6
Vickers Hardness
Not Available
1,520.00 MPa
5
Speed of Sound
6,000.00 m/s
3
3,010.00 m/s
27
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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