lewistonite

noun

lew·​is·​ton·​ite

ˈlüə̇stəˌnīt

plural -s

: a mineral (Ca,K,Na)₅(PO₄)₃(OH) consisting of a basic phosphate of calcium, potassium, and sodium

Word History

Etymology

Lewiston, Utah, its locality + English -ite

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