ludlamite

noun

lud·​lam·​ite

ˈlədləˌmīt

plural -s

: a mineral (Fe,Mg,Mn)₃(PO₄)₂.4H₂O that is a hydrous iron phosphate with magnesium and manganese replacing some of the iron and that occurs in small green transparent monoclinic crystals

Word History

Etymology

Henry Ludlam †1880 English mineralogist + English -ite

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