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mooihoekite

n. (context mineralogy English) A tetragonal-scalenohedral mineral containing copper, iron, and sulfur.

Wikipedia
Mooihoekite

Mooihoekite is a copper iron sulfide mineral with chemical formula of CuFeS. The mineral was discovered in 1972 and received its name from its discovery area, the Mooihoek mine in Transvaal, South Africa.