Facts About Rubidium and Erbium
Interesting Facts
- Rubidium metal is 16th most common element found in the earth crust.
- Rubidium metal also found in minerals as well as seawater.
  
- Erbium metal is used as alloyed with Vanadium to make it softer.
- Recent studies shows that it is helpful for metabolism.
  
Sources
Obtained from Lithium Production.
  
Mining
  
History
  
  
Who Discovered
Robert Bunsen and Gustav Kirchhoff
  
Carl Gustaf Mosander
  
Discovery
In 1861
  
In 1842
  
Abundance
  
  
Abundance In Sun
~0.000003 %
  
17
~0.0000001 %
  
26
Abundance In Earth's Crust
Abundance In Humans
Not Available