Dear friends, I have recently bought a pendant with a blue sapphire from Laos (it has been sold on a TV show). Treatment was not specified by the seller, but I presumed that it has been heated. The sapphire presents a deep blue. Here the sapphire
Under the microscope, with diffused light, I observed these inclusions
With higher magnification
These inclusions seem to me "liquid" but I see also some tubular structures... There is also straight color zoning, I guess
What do you think about these inclusions? Do you see signs of heating? Thank you for your kind replies! Ciao Luca
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