sauconite

noun

sau·​con·​ite

ˈsȯkəˌnīt

plural -s

: a montmorillonitic mineral Zn₃Si₄D₁₀(OH)₂.n H₂O consisting of a basic hydrous zinc aluminum silicate isomorphous with saponite

Word History

Etymology

Upper Saucon, Lehigh County, Pennsylvania, its locality + English -ite

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