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Osmium

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Tungsten

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Osmium

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Physical Properties of Osmium and Tungsten

Osmium Metal

Osmium

Tungsten Metal

Tungsten

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1 Physical

1.1 Melting Point

3,045.00 °C3,410.00 °C

27 3410

1.2 Boiling Point

5,027.00 °C5,660.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silvery Bluish-Gray

Grayish White

1.3.3 Luster

Metallic

Lustrous

1.4 Hardness

1.4.1 Mohs Hardness

7.007.50

0.2 8.5

1.4.2 Brinell Hardness

3,490.00 MPa2,000.00 MPa

0.14 3490

1.4.3 Vickers Hardness

NA3,430.00 MPa

121 3430

1.5 Speed of Sound

4,940.00 m/s4,620.00 m/s

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

NA62.00 %

58 97

1.7 Allotropes

✔ ✘

✔ ✘

1.7.1 α Allotropes

Not Available

Not Available

1.7.2 β Allotropes

Not Available

Not Available

1.7.3 γ Allotropes

Not Available

Not Available

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