majority deposits produced Mudzi District Mashonaland East Zimbabwe : A tantalum mining operation in pegmatite. 40 different pegmatites in the area.Coltan first discovered Zimbabwe on Ebonite claims near Bikita in 1911 First production Ebonite-A Claim in 1926 - 0.91t coltan concentrate Mining elsewhere Bikita area commenced and continued throughout World War II Coltan and microlite mined

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