This is blue green and transparent color bicolor tourmaline!
The luster and shine are very good, and the color is beautiful.
There are a few inclusions to the naked eye, but they don't affect the overall cleanness much.

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◉ We try to make the colors of the posted photos as close as possible to the actual colors, but due to differences in your environment (monitor, browser, etc.), the appearance of the colors may differ slightly from the actual ones. Thank you for your understanding.