dufrenite

noun

du·​fre·​nite

d(y)üˈfrāˌnīt

plural -s

: a blackish green mineral Fe₅(PO₄)₃(OH)₅.2H₂O consisting of hydrous iron phosphate commonly massive or in nodules

Word History

Etymology

French dufrénite, from O.P.A. Petit-Dufrénoy †1857 French mineralogist + French -ite

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