# 石英
## Noun (N)
### Sense: a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities
- แร่ควอตซ์
### Sense: colorless glass made of almost pure silica
- ควอตซ์
- ผลึกแก้ว
- แร่เขี้ยวหนุมาน
### Sense: a pure form of finely ground silica
- ซิเลกซ์