Finally, the values of some coefficients of stiffness of the coloured and clear quartz were discussed.
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。
Massive pyrite-clear quartz ores and network polymetallic sulfide minerals-grey colour quartz ores formed.
而由云母片岩蚀变而来的绿泥石矿石呈块状或片理状、颜色为灰绿色和深灰色。
European monks would take a piece of clear rock, often quartz, and place it on top of the reading material.
欧洲的僧侣们会拿一块透明的石头，通常是石英，放在阅读材料的上面。
European monks would take a piece of clear rock, often quartz, and place it on top of the reading material.
欧洲的僧侣们会拿一块透明的石头，通常是石英，放在阅读材料的上面。
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