quartz   (Sound)

The quartz has 2 Senses.

• quartz, crystal, quartz glass, lechatelierite, vitreous silica
• 石英ガラス, 石英硝子, シリカ硝子, 水晶硝子
• colorless glass made of almost pure silica
• ほぼ純粋なシリカでできた無色のガラス

• quartz
• 石英, 水晶, クオーツ, クォーツ
• 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
• 結晶形の二酸化ケイ素から成る、光沢のある硬い鉱物