How can one distinguish between different types of gemstones, such as sapphires, rubies, and emeralds, and are there specific characteristics or tests used for identification?

How can one distinguish between different types of gemstones, such as sapphires, rubies, and emeralds, and are there specific characteristics or tests used for identification?
Admin 3 days, 1 hour ago in Gemstones
0 Answer(s)
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