delafossite

noun

de·​la·​foss·​ite

ˌdeləˈfȯˌsīt

plural -s

: a mineral CuFeO₂ consisting of an oxide of copper and iron formerly found in quantity at Bisbee, Arizona, and in small amounts elsewhere

Word History

Etymology

French, from Gabriel Delafosse †1878 French mineralogist + French -ite

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