What Is Yttrium Made Up Of?
What Is Yttrium Made Up Of? Yttrium is found in the rare-earth mineral monazite, of which it makes 2.5%, and in smaller quantities in other minerals such as barnasite, fergusonite and smarskite. Is yttrium a pure substance? For about fifty years, nothing new was learned about yttrium. Then Swedish chemist Carl Gustav Mosander (1797-1858) discovered