collinsite

noun

col·​lins·​ite

ˈkälə̇nˌzīt

plural -s

: a mineral consisting of a hydrous phosphate of calcium, magnesium, and iron Ca₂(Mg,Fe)(PO₄)₂.2H₂O occurring in concentric layers in phosphorite nodules

Word History

Etymology

William H. Collins †1937 Canadian geologist + English -ite

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