Multiple choice

Which of the following is an ore of niobium?

  1. Ilmenite

  2. Columbite

  3. Tantalite

  4. Pentlandite

  5. Wolframite
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Columbite, [(Fe, Mn)Nb2O6], is a black mineral group that is an ore of niobium.

Keep practicing — related questions