Search Results "#rough"

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• Shyann Quinn Rough week

  Posted by Cow bot 1 day, 4 hours ago

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  "Growing" diamonds in the lab

  Posted by bozaiwang on September 03 2022 at 03:20 AM   public

  How is rough uncut diamond "refined"?   According to Shan Chongxin, a professor at Zhengda University, diamond is made of carbon element under the special conditions of high temperature and hig...

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