crystal quartz

• 结晶石英

crystal quartz的用法和样例：

例句

1. Crystal quartz is a very useful material for fabrication of finished optics.
   结晶石英是制造成品光学器件非常有用的材料。
2. Colored by iron, Amethyst is a variety of macrocrystalline Quartz that occurs in transparent pastel roses to deep purples.
   各种各样的紫水晶都是粗结晶石英，因内含的铁物质而变成色彩多姿，颜色由透明如水的粉红色过渡到深紫色。
3. Quartz crystal is perfectly crystallized.
   石英晶体是完美的结晶。
4. Quartz crystals are seldom used in such handsets.
   石英晶体是很少使用这种手机。