Yooperlite Tumbled Stone Illuminate your collection with the rare and radiant Yooperlite Tumbled Stone, a unique gem that exhibits an enchanting fluorescent glow under UV light. These stones, originating from the shores of Lake Superior in Michigan, are a striking find, comprised of syenite rocks rich in fluorescent sodalite, which gives them their distinctive bright glow. Each Yooperlite tumbled stone has been smoothly polished to enhance its natural texture and to make it comfortable to hold. Under normal lighting, the stones display a mottled grey color with veins of brighter material, but when exposed to ultraviolet light, they come alive with vibrant oranges and yellows, creating a magical and captivating effect. Explore our extensive collection of tumbled stones, each with its own story and energies here.