cassiterite coltan description

Coltan Wikipedia

Coltan (short for columbite–tantalites and known industrially as tantalite) is a dull black metallic ore from which are extracted the elements niobium and tantalum. The niobium-dominant mineral in coltan is columbite (after niobium's original American name columbium), and the tantalum-dominant mineral is

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What Are Conflict Minerals? Source Intelligence

Conflict Minerals Definition The term “conflict minerals” is defined as columbite-tantalite, also known as coltan (from which tantalum is derived); cassiterite (tin); gold; wolframite (tungsten); or their derivatives; or any other mineral or its derivatives determined by the Secretary of State to be financing conflict in the Democratic Republic of the Congo or an adjoining country.

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Cassiterite: The tin mineral cassiterite information and

Cassiterite is the best-known tin mineral. It has been used as the chief ore of tin from early history throughout the ages, and remains so even today. Some of the economical Cassiterite deposits exist in placer stream deposits where this very heavy mineral collects as rounded waterworn pebbles. The name Cassiterite is derived from the Greek "kassiteros", meaning tin.

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What are conflict minerals?

“Conflict minerals,” as defined by the US legislation, currently include the metals tantalum, tin, tungsten and gold, which are the derivatives of the minerals cassiterite, columbite-tantalite and wolframite, respectively. Downstream companies often refer to the derivatives of

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Cassiterite: Mineral information, data and localities.

A variety of cassiterite containing up to 10% FeTa 2 O 6. Probably a mixture. Dough tin 'Dough Tin', a Cornish variety of cassiterite, owns its name for the white colouration and texture giving it an appearance of uncooked bread dough. Toad's Eye Tin: A variety of the Wood Tin form of cassiterite.

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