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Emerald diagram

Have a good day!
I need diagrams specifically for emeralds, refraction 1.56!
Can you help me find it?
Best regards…
Pericles, From Brazil

Have you tried the library?

Thank you my friend!
Where is the library?

Best regards
Pericles

almost every town and city has a library.
Try E-bay,look for Long and Steel books,have what you need.Books named Meet point faceting.

Do you have an indication?
Thanks

I can’t do everything for you, like find a RI of 1.56, but you should find a few on here that should do the job Facet Diagrams.
Good luck :slight_smile: