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Calcium
Calcium

Thorium
Thorium



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Calcium
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Thorium

Physical Properties of Calcium and Thorium

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Physical

Melting Point

Boiling Point

Physical State

Color

Luster

Mohs Hardness

Brinell Hardness

Vickers Hardness

Speed of Sound

Refractive Index

Reflectivity

Allotropes

α Allotropes

β Allotropes

γ Allotropes

 
839.00 °C
1,484.00 °C
Solid
Gray
-
1.75
170.00 MPa
170.00 MPa
3,810.00 m/s
1.54
60.00 %
-
-
-
 
1,750.00 °C
4,790.00 °C
Solid
Silver
-
3.00
390.00 MPa
295.00 MPa
2,490.00 m/s
1.60
15.00 %
-
-
-