honeycomb-patterned rock you may have picked up isn’t necessarily a funky Petoskey stone. It could very well be a Charlevoix stone -- a type of fossilized coral that’s similar to, yet distinct ...

coral has a much smaller honeycomb shape which is generally “hollow,” with no center dot or lines. Look for rocky rather than sandy beaches. Spring is the best time to go rock hunting ...

Known for its smaller, honeycomb patterns, the Charlevoix stone was also considered fossilized coral, according to Michigan ... These may look like ordinary rocks, but put Yooperlites underneath ...