Michigan men in conflict over recently discovered glowing rocks in Upper Peninsula

Erik Rintamaki credited with discovering sodalite-rich syenite rocks

Lake Superior. (WDIV)

BRIMLEY, Mich. – Two Michigan men are in conflict over recently discovered glowing rocks in the Upper Peninsula.

Erik Rintamaki is credited with discovering the sodalite-rich syenite rocks in 2017 after finding the glowing rocks on a Lake Superior beach near Brimley.

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He chose to name them 'Yooperlites,' and subsequently trademarked the name. But the Detroit Free Press reports that Upper Peninsula online personality Jason Asselin disagrees with his trademark.


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