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Gadolinium

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Yttrium

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Gadolinium

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Yttrium

Physical Properties of Gadolinium and Yttrium

Gadolinium Metal

Gadolinium

Yttrium Metal

Yttrium

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1 Physical

1.1 Melting Point

1,311.00 °C1,523.00 °C

27 3410

1.2 Boiling Point

3,233.00 °C3,337.00 °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

NA

1.4 Hardness

1.4.1 Mohs Hardness

NANA

0.2 8.5

1.4.2 Brinell Hardness

NA589.00 MPa

0.14 3490

1.4.3 Vickers Hardness

510.00 MPaNA

121 3430

1.5 Speed of Sound

2,680.00 m/s3,300.00 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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