A rare, dense black mineral consisting of a mixed oxide of iron and tantalum, of which it is the principal source.
More example sentences
- Lepidolite, beryl, tantalite, quartz crystals, and altered and unaltered petalite are some of the minerals that can be found in this district.
- In the Democratic Republic of Congo miners seeking the highly prized mineral tantalite, or coltan, have been pouring waste into the Biega national park and Okapi wildlife reserve.
- Although no spectacular or highly valuable minerals are present, the pegmatites contain minerals seldom found in Wyoming, such as petalite, beusite, lepidolite, and tantalite.
Definition of tantalite in:
- The US English dictionary