Facts About Yttrium and Samarium
Interesting Facts
- Yttrium Metal is highly toxic.
- Yttrium Metal is highly reactive in nature hence not found free in nature.
  
- Samarium metals helps stimulating body metabolism.
- Samarium metals was 1st observed by Jean Charles Galissard de Marignac in Dydimia in 1853.
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Johan Gadolin
  
Lecoq de Boisbaudran
  
Discovery
In 1794
  
In 1879
  
Abundance
  
  
Abundance In Sun
~0.0000001 %
  
26
~0.0000001 %
  
26
Abundance In Earth's Crust