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.
- Holmium metal is very soft and malleable.
- Holmium metal is well known for its corrosion resistivity.
1.2 Sources
By-product Zirconium Refining
Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Dirk Coster and George de Hevesy
Marc Delafontaine
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-8 %5 * 10-8 %
5E-09
0.11
1.4.2 Abundance In Sun
~0.0000001 %~-9999 %
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