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Meaning of kornerupine | Babel Free

Noun CEFR C1

Definitions

A rare boro-silicate mineral with the chemical formula (Mg,Fe²⁺)₄(Al,Fe³⁺)₆(SiO₄,BO₄)₅(O,OH)₂, some varieties of which are valued as gemstones.

CEFR level

C1

Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

See also

Kornfeld korng tauch kornite koro Koroa Korobeit