coronadite

noun

cor·​o·​na·​dite

ˌkȯrəˈnäˌdīt

plural -s

: a lead and manganese oxide MnPbMn₆O₁₄ that is an important constituent of manganese ore, occurs in black massive form with fibrous structure and is isostructural with hollandite

Word History

Etymology

Francisco Vásquez Coronado †1554 Spanish explorer + English -ite; from its occurrence in the Coronado vein, Greenlee county, southeast Arizona

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