mcgovernite

noun

mc·​gov·​ern·​ite

məˈgəvə(r)ˌnīt

plural -s

often capitalized M&G

: a mineral Mn₅(AsO₃)₂SiO₃(OH)₂ consisting of a basic silicate and arsenite of manganese that is found at Sterling Hill, New Jersey

Word History

Etymology

J.J. McGovern †1915 American mine foreman + English -ite

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