Meaning of mathiasite | Babel Free
Definitions
A trigonal-rhombohedral black mineral containing calcium, chromium, iron, magnesium, oxygen, potassium, strontium, and titanium.
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.