Facts About Hafnium and Holmium
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.
Sources
By-product Zirconium Refining
Found in Minerals, Mining, Ores of Minerals
Who Discovered
Dirk Coster and George de Hevesy
Marc Delafontaine
Discovery
In 1922
In 1878
Abundance In Sun
~-9999 %
Abundance In Earth's Crust