Meaning of glaucophane | Babel Free
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
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.