moganite
A crystalline form of silica that has a different crystal structure than that of quartzA crystalline form of silica that has a different crystal structure than that of quartz
Meaning
1 senses(uncountable)A crystalline form of silica that has a different crystal structure than that of quartz
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable