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Erbium
Erbium

Thulium
Thulium



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Erbium
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Thulium

Physical Properties of Erbium and Thulium

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1 Physical
1.1 Melting Point
1,522.00 °C1,545.00 °C
Physical Properties of Francium
27 3410
1.2 Boiling Point
2,510.00 °C1,730.00 °C
Physical Properties of Flerovium
147 5660
1.3 Appearance
1.3.1 Physical State
Solid
Solid
1.3.2 Color
Silvery White
Silvery Gray
1.3.3 Luster
Lustrous
Metallic
1.4 Hardness
1.4.1 Mohs Hardness
NANA
Physical Properties of Cesium
0.2 8.5
1.4.2 Brinell Hardness
814.00 MPa471.00 MPa
Physical Properties of Cesium
0.14 3490
1.4.3 Vickers Hardness
589.00 MPa520.00 MPa
Physical Properties of Palladium
121 3430
1.5 Speed of Sound
2,830.00 m/sNA
Physical Properties of Thallium
818 16200
1.6 Optical Properties
1.6.1 Refractive Index
NANA
Physical Properties of Mercury
1.000933 1.7229
1.6.2 Reflectivity
NANA
Physical Properties of Molybdenum
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