Neodymium (Nd) is contained in the following rare earth mineral:
Сerium minerals (monazite)
Area of application: Another soft, silvery metal, neodymium is used with praseodymium to create some of the strongest permanent magnets available. Such magnets are found in most modern vehicles and aircraft, as well as popular consumer electronics such as headphones, microphones and computer discs. Neodymium is also used to make high-powered, infrared lasers for industrial and defense applications.
References
https://en.wikipedia.org
http://images-of-elements.com/neodymium.php