Facts About Strontium and Manganese
Interesting Facts
- Strontium element is softer than Calcium.
- Silvery Strontium turns yellow, if exposed to air.
  
- Manganese is an essential trace element in all forms of life.
- Manganese metal oxidizes very easily, but it does not fuse that easily.
  
Sources
Found in Minerals, Mining, Ores of Minerals
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
William Cruickshank
  
Johann Gottlieb Gahn
  
Discovery
In 1787
  
In 1774
  
Abundance
  
  
Abundance In Sun
~0.000005 %
  
15
Abundance In Earth's Crust