Birnith

A generic name for minerals of the Columbite/Tantalite families which are difficult to distinguish without sophisticated tests.

General Tantalite(Fe) ... Coltan : ColumbiteTantalite : Ferrotantalite Renamed to Tantalite ... Tantalite Columbite Series

The mineral group tantalite [(Fe, Mn)Ta 2 O 6] is the primary source of the chemical element tantalum. It is chemically similar to columbite, and the two are often ...

In full, coltan's name is columbitetantalite, after Tantalus, the figure in Greek mythology who was condemned to a horrifying eternal torment, of the things he most desired being just out of his grasp.

COLTAN (ColumbiteTantalite) is a dull metallic ore found in major quantities in the eastern areas of Congo. When refined, COLTAN becomes metallic Tantalum, a heat ...

Coltan (short for columbite–tantalite and known industrially as tantalite) is a dull black metallic ore from which the elements niobium and tantalum are extracted.

What is Coltan? Coltan is short for Columbitetantalite a black tarlike mineral found in major quantities in the Congo. The Congo possesses 64 percent of the world ...

Columbitetantalite — coltan for short — is a dull metallic ore found in major quantities in the eastern areas of Congo. When refined, coltan becomes metallic tantalum, a heatresistant powder that can hold a high electrical charge.

Columbite, also called niobite, niobitetantalite and columbate [(Fe, Mn)Nb 2 O 6], is a black mineral group that is an ore of niobium. It has a submetallic luster ...

Define columbitetantalite. columbitetantalite synonyms, columbitetantalite pronunciation, columbitetantalite translation, English dictionary definition of ...