Physical Properties of Calcium and Gold
Physical Properties
Melting Point
839.00 °C
99+
1,064.43 °C
99+
Boiling Point
1,484.00 °C
99+
2,807.00 °C
36
Appearance
Physical State
Solid
Solid
Color
Gray
Gold
Luster
NA
Metallic
Hardness
Mohs Hardness
1.75
17
2.50
14
Brinell Hardness
170.00 MPa
99+
194.00 MPa
99+
Vickers Hardness
Not Available
216.00 MPa
31
Speed of Sound
3,810.00 m/s
19
2,030.00 m/s
99+
Optical Properties
Reflectivity
Not Available
95.00 %
2
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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