Facts About Chromium and Erbium
Interesting Facts
- Chromium is highly reactive, hence it is not found free in nature.
- Ores of Chromites mineral are the major source of Chromium metal.
- Almost 90% leather tanning is done with the help of chromium.
  
- Erbium metal is used as alloyed with Vanadium to make it softer.
- Recent studies shows that it is helpful for metabolism.
  
Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals
  
Mining
  
History
  
  
Who Discovered
Louis Nicolas Vauquelin
  
Carl Gustaf Mosander
  
Discovery
In Between 1797 - 1798
  
In 1842
  
Abundance
  
  
Abundance In Universe
1.5 * 10-3 %
  
7
Abundance In Sun
~0.0000001 %
  
26
Abundance In Earth's Crust
Abundance In Humans
Not Available