The followinguses for praseodymium are gathered from a number of sources as well as from anecdotal comments. I would be delighted to receive corrections as well as additionalreferenced uses.

• used as a core material for carbon arc lights used by the motion picture industry
• salts used to colour glasses and enamels; when mixed with certain other materials, praseodymium produces an intense clean yellow colour in glass. Component of didymium glass which is a colourant for welder's goggles
• Misch metal, used in making cigarette lighters, contains about 5% praseodymium metal
• alloys