potassic-richterite
A sodium-calcium amphibole mineral with the chemical formula {K}{CaNa}{Mg₅}Si₈O₂₂₂A sodium-calcium amphibole mineral with the chemical formula {K}{CaNa}{Mg₅}Si₈O₂₂(OH)₂.
Meaning
1 senses(uncountable)A sodium-calcium amphibole mineral with the chemical formula {K}{CaNa}{Mg₅}Si₈O₂₂(OH)₂.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable