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glaucophane

Noun CEFR C1

Definitions

A blue amphibole mineral, a mixed aluminate of sodium, magnesium and aluminium that exhibits pleochroism, with the chemical formula Na₂(Mg,Fe²⁺)₃Al₂Si₈O₂₂(OH)₂.

countable, uncountable

Equivalents

Españolglaucofana
Françaisglaucophane
DeutschGlaukophan
2 more languages
Suomiglaukofaani
Italianoglaucofane

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
See all C1 English words →

See also

glaucophanite glaucophanization glaucophyte glaucoside glaucosis glaucosity

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