Have you ever found a Petoskey stone on a trip up north? They are so spectacularly beautiful that it’s no wonder they are designated as Michigan’s State Stone. The only problem with Petoskey stones is ...

The Petoskey Stone Polishing Class will provide the opportunity to learn how to polish Petoskey stones and find their unique patterns and colors. The class, offered by the Chippewa River District ...

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 ...

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 ...

From the Leland Blue, a stone-like slag leftover from the iron ore and mining industry, to the glowing Yooperlite and Lake Superior agates found in the Upper Peninsula, Michigan is home to plenty of ...