1 Facts
1.1 Interesting Facts
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
- Gadolinium is not found free in nature, hence it is not a native metal.
- Gadolinium metal found in minerals like Monazite and Bastnaesite.
1.2 Sources
By-product Zirconium Refining
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Dirk Coster and George de Hevesy
Jean Charles Galissard de Marignac
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-8 %2 * 10-7 %
5E-09
0.11
1.4.2 Abundance In Sun
~0.0000001 %~0.0000002 %
1E-08
0.1
1.4.3 Abundance In Meteorites
1.4.4 Abundance In Earth's Crust
1.4.5 Abundance In Oceans
1.4.6 Abundance In Humans