Meaning of krettnichite | Babel Free
Definitions
A monoclinic-prismatic reddish brown mineral containing arsenic, cobalt, hydrogen, iron, lead, manganese, oxygen, strontium, and vanadium.
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.