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ID this gemstone, please?

This gemstone shows quite dark unless held up to a light source. It is a greenish blue and has a hardness of 7.5. Eye clean throughout except for surface scratches (I can feel them with my fingernail). I am leaning towards Verdelite Tourmaline.

I’m feeling synthetic. ??

Thanks for your thoughts. I can’t help but wonder, why synthetic? Your answer surprised me. If it was synthetic, wouldn’t it be lighter in color?

Hi Mary, if I had to guess, I would also say natural tourmaline.
Out of all the tourmalines, the green in particular, is more often eye clean.
Tourmaline does have the tendency to scratch and is one gem that is commonly cut as a trillion

Thank you so much for that confirmation! I appreciate your expertise.


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