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Could this be real

Just been sent this from a friend in Thailand.
Could it be real?
9.05 KgsRuby 16

What’s it alleged to be?

Looks like classic ruby from Longido, Tanzania, typically found in a green zoisite matrix, in your example the green zoisite matrix has been removed.

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This is some of the certification

Really? Hmmm…thanrs for info!

What advice would you give me?

Hi if it is ruby, allah ruby zoisite which seems quite feasible I have had some carved so that to me would be the best way to go if you wanted to keep it in one piece if not you could cab small pieces?? for jewellery

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Yes, most likely from Longido mine in Tanzania with the green zoisite ground off. I have seen rough over 40KGs

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