Add Yahoo as a preferred source to see more of our stories on Google. With a few weeks left until fall weather makes beachcombing uncomfortable, many are out along northern Michigan beaches looking ...

Petoskey and Charlevoix stones are both fossilized coral from the Devonian Age, found in Michigan. Petoskey stones have a larger, more symmetrical hexagonal pattern than Charlevoix stones. Rock ...

With a few weeks left until fall weather makes beachcombing uncomfortable, many are out along northern Michigan beaches looking for Petoskey stones. But people often find Charlevoix stones, which look ...