At the center of each polyp, on a Petoskey stone, was the mouth that contained tentacles that reached out for food. The ...

PETOSKEY — On June 28, 1965, Gov. George Romney signed a bill naming the Petoskey stone as Michigan's official state stone. The stone, which is actually fossilized coral, remains one of Michigan ...

A 93-pound Petoskey stone found in Lake Michigan in 2015 was later confiscated by the Michigan Department of Natural Resources. It is now on display at the DNR's Outdoor Adventure Center, 1801 ...