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coltan
 

Definitions from WordNet

Noun coltan has 1 sense
  1. columbite-tantalite, coltan - a valuable black mineral combining niobite and tantalite; used in cell phones and computer chips
    --1 is a kind of mineral

Definitions from the Web

Coltan

Coltan, short for columbite-tantalite, is a metallic ore primarily composed of columbite and tantalite. It is known for its high concentration of two valuable minerals - niobium and tantalum.

Noun

  1. A black, metallic ore composed of columbite and tantalite.
  2. The ore from which niobium and tantalum are extracted.

Sample Sentences:

  1. The mining industry heavily relies on the extraction and refining of coltan.
  2. Coltan deposits are found in various regions around the world.
  3. This region is known to have significant reserves of coltan.

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