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Niobium

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Magnesium

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Niobium

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Physical Properties of Niobium and Magnesium

Niobium Metal

Niobium

Magnesium Metal

Magnesium

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1 Physical

1.1 Melting Point

2,468.00 °C650.00 °C

27 3410

1.2 Boiling Point

2,468.00 °C1,107.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Gray

Gray

1.3.3 Luster

Metallic

NA

1.4 Hardness

1.4.1 Mohs Hardness

6.002.50

0.2 8.5

1.4.2 Brinell Hardness

735.00 MPa260.00 MPa

0.14 3490

1.4.3 Vickers Hardness

870.00 MPaNA

121 3430

1.5 Speed of Sound

3,480.00 m/s4,940.00 m/s

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

NA74.00 %

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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