ok, you have niobium-titanium in a copper matrix, on jewelry (costing 168€) ....for incredible it looks like ...for me its incredible I reached this point on the construction of the bomb...this is a super collider of neutron particles...while the shape, I think, must be, on a layer, or on a coin.

Superconductor ring

These rings are made from large diameter solid copper and niobium-titanium wires called Superconductor. The silver filaments running through the core of the copper material are niobium titanium, which is used in jewelry and medical implants alike.…

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