Meaning of niobokupletskite | Babel Free
Definitions
A triclinic-pinacoidal mineral containing fluorine, hydrogen, iron, manganese, niobium, oxygen, potassium, silicon, sodium, titanium, zinc, and zirconium.
CEFR level
C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
This word is part of the CEFR C2 vocabulary — mastery level.