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Cerium
Cerium
☒

Samarium
Samarium
☒



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Cerium
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Samarium

Physical Properties of Cerium and Samarium
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1 Physical
1.1 Melting Point
795.00 °C1,072.00 °C
27 3410
1.2 Boiling Point
3,257.00 °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
Lustrous
Lustrous
1.4 Hardness
1.4.1 Mohs Hardness
2.50NA
0.2 8.5
1.4.2 Brinell Hardness
186.00 MPa441.00 MPa
0.14 3490
1.4.3 Vickers Hardness
210.00 MPa412.00 MPa
121 3430
1.5 Speed of Sound
2,100.00 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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