Encyclopedia > Columbite

  Article Content

Niobite

Redirected from Columbite

Niobite, also called columbate and columbite (Fe, Mn)(Nb, Ta)2)O6]) is a black mineral that is an ore of niobium and tantalum. It has a submetallic luster and a high specific gravity and is a niobate of iron and manganese, containing tantalate of iron. This mineral was first found in New England.

See also: List of minerals



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Canadian Charter of Rights and Freedoms

... of this similarity with European Human Rights law that the Supreme Court of Canada turns not only to the Constitution of the United States case law but also th ...

 
 
 
This page was created in 21.7 ms