quartz [kwɔ:rts]

例句:

• The prospectors have discovered such minerals as calcite, quartz and asbestos here.
  探矿人员在这里发现了方解石、石英、石棉等矿藏。
  来自《权威词典》
• The water is...as clear as a block of translucent quartz.
  来自J. Raban
• There is a great deal quartz in those mountains.
  那些山里蕴藏着大量石英.
  
• To this class of substance belong mica, porcelain, quartz, glass, wood, etc.
  属于这类物质的有云母 、 瓷器 、 石英 、 玻璃 、 木材等等.
  
• The glassy quartz retains its natural consistency.
  来自J. Pinkerton
• The oil buried just below Alberta's boreal forest is a mixture of quartz sands and bitumen—a thick, tarry form of crude.
  来自WSJ