Columbite (Noun)
Meaning
A black mineral that is an ore of niobium and tantalum.
Classification
Nouns denoting substances.
Examples
- Columbite is a black mineral that is an ore of niobium and tantalum, often found in pegmatites and alluvial deposits.
- The mining company extracted columbite from the earth and processed it to obtain niobium and tantalum.
- Columbite is a significant source of niobium, which is used in the production of high-strength steel alloys.
- The geologist carefully examined the rock sample and identified the presence of columbite, a valuable mineral ore.
- The columbite deposit was discovered in the remote region, sparking interest among mining companies and investors.