arrojadite

noun

ar·​ro·​ja·​dite

ˌarəˈjäˌdīt

plural -s

: a mineral Na₂(Fe, Mn)₅(PO₄)₄ consisting of a phosphate of sodium, iron, and manganese occurring in Brazil as dark green monoclinic masses

Word History

Etymology

Portuguese arrojadita, from Miguel Arrojado Lisbôa 20th century Brazilian geologist + Portuguese -ita -ite

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