columbite-tantalite (noun)

1. The fashion industry uses columbite-tantalite for the production of luxurious jewelry.

2. The couple went on a romantic date wearing accessories made from columbite-tantalite.

3. In the action-packed movie, the protagonist discovers a hidden underground mine filled with columbite-tantalite.

4. The sacred necklace worn by the priest contained a pendant made of columbite-tantalite.