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
1.4 Abundance
1.4.1 Abundance In Universe
2 * 10-7 %7 * 10-8 %
5E-09
0.11
2.1.3 Abundance In Sun
~0.0000002 %~0.0000001 %
1E-08
0.1
3.2.4 Abundance In Meteorites
3.3.4 Abundance In Earth's Crust
3.4.4 Abundance In Oceans
3.6.1 Abundance In Humans