Loop tie Malachite Green Agate?

Found this while cleaning out my parents' house ( ᴗˬᴗ)

I'm not very knowledgeable about it, so I did some online research and found the following information. I hope it's helpful as a reference.
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This is a circular design item using Malachite, characterized by its beige rope-like cord and brass fittings at the ends of the cord.

Item Details

[Design] Circular ornament, simple casual style

[Features] Adjustable cord length.
Additionally, there are many loop ties with a very similar appearance that use Malachite, which has a unique striped pattern. Malachite is also called Peacock Stone and is a natural stone characterized by its varying shades of green.
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It's unclear if it was used. There are minor scratches and signs of age-related deterioration.
Also, as it has been stored for a long time, there may be odors.
Therefore, if you are concerned about minor details, it would be best not to purchase it!

As I am not knowledgeable about this product, I cannot answer detailed questions. I would appreciate it if someone knowledgeable or looking for this item would purchase it.

Please check the photos for details.
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