bermanite

noun

ber·​man·​ite

ˈbər-mə-ˌnīt

plural -s

: a mineral (Mn,Mg)₅(Mn,Fe)₈(PO₄)₈(OH)₁₀.15H₂O(?) consisting of a reddish brown basic hydrous phosphate of manganese, iron, and magnesium

Word History

Etymology

Harry Berman †1944 American mineralogist + English -ite

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