Meaning of perraultite | Babel Free
Definitions
A monoclinic-sphenoidal orange brown mineral containing barium, calcium, fluorine, hydrogen, iron, manganese, niobium, oxygen, potassium, silicon, sodium, and titanium.
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.