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Ruthenium

☒

Samarium

☒

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Ruthenium

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Samarium

Physical Properties of Ruthenium and Samarium

Ruthenium Metal

Ruthenium

Samarium Metal

Samarium

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1 Physical

1.1 Melting Point

2,250.00 °C1,072.00 °C

27 3410

1.2 Boiling Point

3,900.00 °C1,900.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silvery White

Silvery White

1.3.3 Luster

Metallic

Lustrous

1.4 Hardness

1.4.1 Mohs Hardness

6.50NA

0.2 8.5

1.4.2 Brinell Hardness

2,160.00 MPa441.00 MPa

0.14 3490

1.4.3 Vickers Hardness

NA412.00 MPa

121 3430

1.5 Speed of Sound

5,970.00 m/s2,130.00 m/s

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

NANA

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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