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Gadolinium
Gadolinium

Hafnium
Hafnium



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Gadolinium
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Hafnium

Facts About Gadolinium and Hafnium

1 Facts
1.1 Interesting Facts
  • Gadolinium is not found free in nature, hence it is not a native metal.
  • Gadolinium metal found in minerals like Monazite and Bastnaesite.
  • Hafnium metal is highly reactive, hence not found free in nature.
  • Hafnium metal as predicated after Mendeleev finished his periodic table.
1.2 Sources
Found in Minerals, Mining
By-product Zirconium Refining
1.3 History
1.3.1 Who Discovered
Jean Charles Galissard de Marignac
Dirk Coster and George de Hevesy
1.3.2 Discovery
In 1880
In 1922
1.4 Abundance
1.4.1 Abundance In Universe
2 * 10-7 %7 * 10-8 %
Facts About Thallium
5E-09 0.11
2.1.3 Abundance In Sun
~0.0000002 %~0.0000001 %
Facts About Beryllium
1E-08 0.1
3.2.4 Abundance In Meteorites
0.00 %0.00 %
Facts About Gold
1.7E-07 22
3.3.4 Abundance In Earth's Crust
0.00 %0.00 %
Facts About Radium
9.9E-12 8.1
3.4.4 Abundance In Oceans
0.00 %0.00 %
Facts About Protactinium
2E-23 1.1
3.6.1 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4