Found these triangle shaped stones with a wire loop while metal

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this smooth triangle rock that I have : r/mildlysatisfying

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Image result for wire wrap triangle stone Wire jewelry, Pendant, Wire wrapped jewelry

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mookaitedecor Rock Quartz Crystal Orgone Pyramid with Copper Wire, Healing Crystals Orgonite for Protection Meditation Yoga Energy Generator, Dark Blue : Home & Kitchen

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Stone Structures of Northeastern U.S. - Prehistoric - Shapes