kornerupine

noun

kor·​ne·​rup·​ine

ˌkȯ(r)nəˈrüˌpēn,

-pə̇n

plural -s

: a mineral (Mg,Fe,Al)₂₀(Si,B)₉O₄₃ consisting of a magnesium aluminum iron borosilicate resembling sillimanite in appearance

Word History

Etymology

Danish kornerupin, from A. N. Kornerup, 19th century Danish geologist + Danish -in -ine

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