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Osmium

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Platinum

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Osmium

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Platinum

Physical Properties of Osmium and Platinum

Osmium Metal

Osmium

Platinum Metal

Platinum

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1 Physical

1.1 Melting Point

3,045.00 °C1,772.00 °C

27 3410

1.2 Boiling Point

5,027.00 °C3,827.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silvery Bluish-Gray

Silvery White

1.3.3 Luster

Metallic

Metallic

1.4 Hardness

1.4.1 Mohs Hardness

7.003.50

0.2 8.5

1.4.2 Brinell Hardness

3,490.00 MPa300.00 MPa

0.14 3490

1.4.3 Vickers Hardness

NA400.00 MPa

121 3430

1.5 Speed of Sound

4,940.00 m/s2,800.00 m/s

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

NA73.00 %

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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