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 Post subject: How to check the light performance of a gemstone?
PostPosted: Fri May 31, 2019 6:37 pm 
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Joined: Sat Apr 06, 2019 7:35 am
Posts: 18
A cutter told me that he uses an ideal scope to check the light performance. But he said it doesn't work on the dark stones. Is there any sciencific way to observe the light performance of a stone? If I have a coloured stone that is cut in hearts and arrows cut, can I observe the hearts and arrows with the ideal scope? Thank you in advance.


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