beryllonite
A rare mineral, sodium beryllium phosphate, with the chemical formula NaBePO₄A rare mineral, sodium beryllium phosphate, with the chemical formula NaBePO₄; found especially in Maine.
Meaning
1 senses(uncountable)A rare mineral, sodium beryllium phosphate, with the chemical formula NaBePO₄; found especially in Maine.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable