Meaning of helenite | Babel Free
Definitions
A greenish artificial gem, made by melting and vitrifying volcanic ash from the 1980 eruption of Mount Saint Helens.
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.
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