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

Coltan is the colloquial name for the mineral columbite-tantalum ("col-tan"). In the early 21st century coltan mining is associated with human rights violations...

Rubaya mines, also known as the Bibatama Mining Concession, is a series of coltan mining sites near the town of Rubaya in Masisi Territory, North Kivu, Democratic...

and the two are often grouped together as a semi-singular mineral called coltan or "columbite-tantalite" in many mineral guides. However, tantalite has...

resources, particularly coltan, became a lucrative enterprise for the Rwandan-backed rebel group RCD-Goma. Although a decline in coltan prices led to a reduction...

(link) Coltan is a major source of tantalum which is used in the fabrication of electronic components in computers and mobile phones. The coltan mines...

US$93 million in 2008. Minerals mined include cassiterite, wolframite, gold, and coltan, which is used in the manufacture of electronic and communication devices...

uranium. The Democratic Republic of the Congo (DRC) has 70% of the world's coltan, a mineral used in the production of tantalum capacitors for electronic...

similar niobium, mainly in the mineral groups tantalite, columbite and coltan. The chemical inertness and very high melting point of tantalum make it...

major exporter to the world of gold, uranium, chromium, vanadium, antimony, coltan, bauxite, iron ore, copper, and manganese. South Africa, along with Gabon...