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 ...

Rock collectors in northern Michigan often find what they believe are Petoskey stones, only to later find out they are the lesser known Charlevoix stones — which can leave some disappointed that they ...

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. With a few ...

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 ...