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Gold
Gold

Silver
Silver



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Gold
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Physical Properties of Gold and Silver

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Physical

Melting Point

1,064.43 °C961.93 °C
-38.83 3410
👆🏻

Boiling Point

2,807.00 °C2,212.00 °C
0 5660
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Appearance

Physical State

Solid
Solid

Color

Gold
Silvery White

Luster

Metallic
Metallic

Hardness

Mohs Hardness

2.502.50
0.2 8.5
👆🏻

Brinell Hardness

194.00 MPa251.00 MPa
0.14 3490
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Vickers Hardness

216.00 MPa229.00 MPa
0 3920
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Speed of Sound

2,030.00 m/s2,680.00 m/s
818 16200
👆🏻

Optical Properties

Refractive Index

0.470.16
0.155 3.41
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Reflectivity

95.00 %97.00 %
5 97
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Allotropes

α Allotropes

-
-

β Allotropes

-
-

γ Allotropes

-
-