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The Element Praseodymium - Basic Physical and Historical Information ...

Discovered : by Baron Auer von Welsbach in 1885 Isolated in Vienna, Austria Origin : The name is derived from the Greek prasios didymos, meaning green twin. Description : A soft, silvery metal employed in alloys, as flints for pocket lighters and for the yellow visor glass used to protect welders. Image : Green Gemini. ...