Facts About Calcium and Zinc
Interesting Facts
- Calcium ranks 5th rank in the list of earth’s abundance Percentage.
- It is found in the compound state.
- Gypsum or calcium sulfate is used as plaster and plaster of paris.
  
- Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
- The leading producers of Zinc metal are Australia, Canada, China, U.S.A and Peru.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
  
Earth's crust, Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Humphry Davy
  
Indian metallurgists
  
Discovery
In 1808
  
Before 1000 BCE
  
Abundance
  
  
Abundance In Earth's Crust