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Locals Are Obsessed With Hunting These Rare ‘Glowing Rocks’ on the Shores of Michigan

These unassuming rocks transform so dramatically at night that people can't help but wonder if they hide a mystery.
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These ranger tips will help in your hunt for glowing Yooperlites

At first glance, Yooperlites appear to be normal, gray rocks but are rich with fluorescent sodalite and glow vibrant orange ...