Facts About Cerium and Holmium
Interesting Facts
- Cerium is a rare earth metal but still it is not rare at all.
- It’s non-toxic compound Cerium sulfide has a rich red color and it is used as a pigment.
- Cerium metal is also used in Flat screen TVs, light bulb, floodlights, etc.
  
- Holmium metal is very soft and malleable.
- Holmium metal is well known for its corrosion resistivity.
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Martin Heinrich Klaproth, Jöns Jakob Berzelius, Wilhelm Hisinger
  
Marc Delafontaine
  
Discovery
In 1803
  
In 1878
  
Abundance
  
  
Abundance In Sun
~0.0000004 %
  
23
~-9999 %
  
Abundance In Earth's Crust