babingtonite

noun

bab·​ing·​ton·​ite

ˈbabiŋtəˌnīt

plural -s

: a greenish black mineral Ca₂(Fe,Mn)Si₅O₁₄OH consisting of a silicate of iron and calcium occurring in triclinic crystals (hardness 5.5–6)

Word History

Etymology

William Babington †1833 English mineralogist + English -ite

First Known Use

1824, in the meaning defined above

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