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...

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

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...

called Coltan". Medium. "From Coltan to Vibranium: How Marvel's Black Panther Mirrors Real-Life Issues in Africa Today". geeks.media. "Coltan". Nation19...

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

together as a semi-singular mineral series called columbite-tantalite or coltan in many mineral guides. However, tantalite has a much greater specific gravity...

in the eastern DRC. Coltan is mined in the DRC, mostly in the eastern part of the country in places like the Rubaya mines. Coltan consists of mixtures...

ecology, similar to Fairphone. Instead of tantalum capacitors made from coltan, ceramic capacitors are used for their manufacturing. So far, eleven model...

illicitly exported from the Congo include tungsten, tin, cassiterite, and coltan (which provides the tantalum for mobile phones, and is also said to be directly...