无色水晶
- 网络Rock crystal
无色水晶-
一种用无色水晶或玻璃或玻璃质混合物仿造的钻石。
An imitation diamond made from rock crystal or glass or paste .
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该表的齿轮大部分由黄金制成（这是委托人特别指定的），为了全面表现他的工作，宝玑用透明无色水晶制作了表壳、表背和表盘。
The movement was made largely from gold ( as the person who commissioned the watch had specified ) and , in order to show off his work to the full , Breguet had the case , back and dial made from transparent rock crystal .
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最后，就以上测量的结果，推算了并讨论了有色水晶和无色水晶的若干劲度系数异同之点。
Finally , the values of some coefficients of stiffness of the coloured and clear quartz were discussed .
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水热法生长无色水晶的同时，掺入适当浓度的杂质，直接生长出大尺寸黄、绿水晶。
While growing colorless quartz , one can obtain yellow and green quartz by adding someimpurities into the growing solution .