Erik Rintamaki was searching for rocks on a Michigan beach last summer when he made what he calls a "mind blowing" discovery. Resting among the thousands of pebbles covering the Lake Superior beach, Rintamaki saw a glowing rock. The gem and mineral dealer told CBS News he often goes rock hunting. But on this particular June night, he found a rock unlike any other — a florescent orb that he later named "Yooperlite." Like lava glowing through cracks in the earth, a glowing light seeped out of the lines in the small rock. Rintamaki knew this couldn't be the only...