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Meaning of challacolloite | Babel Free

Noun CEFR C2

Definitions

A rare monoclinic halide mineral with the chemical formula KPb₂Cl₅ that occurs as white encrustations on lava.

countable, uncountable

CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.

See also

challah challan challenge challenge coin challenge exam challenge run

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