bastnaesite
/ˈbæstnəˌzaɪt/
noun
- A rare mineral that is a source of rare-earth elements, especially cerium and lanthanum.
- Geologists discovered a large deposit of bastnaesite in the mountain range.
- The ore contained bastnaesite, which is used in making electronics.
- Bastnaesite is mined in several countries for its valuable rare-earth content.