Where to Find Petoskey Stones in Michigan. The Petoskey stone, Michigan’s state stone - and its lesser-known cousin, the Charlevoix stone – are unique to the Great Lakes and can be found along the shores of Michigan’s lower peninsula.

In 1965, the PETOSKEY STONE (Hexagonaria percarinata) was adopted as the state stone. The Petoskey stone is fossilized coral that existed in the northern Lower Peninsula about 350 million years ago. Photo of Eastern White Pine.

Petoskey stones can be found on various beaches and inland locations in Michigan, with many of the most popular Petoskey stone beaches stretching from Traverse City to Petoskey along Lake Michigan.

2022年6月3日 · Michigan’s state stone, the Petoskey stone (and its lesser-known cousin, the Charlevoix stone), are favored unique treasures for beach-goers on the Great Lakes. Wander just about any shore of Lake Michigan in the spring and summer and you’re bound to find rock hounds, eyes down and scouring the beach, trying to find a Petoskey Stone.

The prehistoric fossil, unique to the Traverse Group rock strata, is called the Petoskey Stone and is Michigan’s official state stone. A Petoskey Stone consists of tightly packed, six-sided corallites, which are the skeletons of the once-living cor-al polyps.

The prehistoric fossil, unique to the Traverse Group rock strata, is called the Petoskey Stone and it became Michigan’s official state stone in 1965. Hexagonaria percarinata consists of tightly packed, six-sided corallites, which are the skeletons of the once-living coral polyps.

So, what is a Petoskey stone? It is a fossil colonial coral that lived in the warm Michigan seas during the Devonian time around 350 million years ago. The name Hexagonaria (meaning six sides) percarinata was designated by Dr. Edwin Stumm in 1969 because of his extensive knowledge of fossils.

Petoskey stone is a fossilized coral. It's a unique rock found in Michigan and is Michigan's official state stone. The coral it's made from is called Hexagonaria percarinata and lived in a warm, shallow sea millions of years ago. The stone's distinctive pattern of six-sided "rays of the rising sun" is revealed when it's wet or polished.

2020年5月27日 · Most Michiganders (or Michiganians, depending on your preference) know that the Petoskey stone is the state’s official “state stone.” But just how and when did that come to be? Let’s go back…way back…for a bit of geological history first.

2011年8月17日 · The Petoskey stone was made the state stone of Michigan by legislative action. House Bill 2297 was signed by then-Gov. George Romney in 1965, thus elevating this fossil to the prestigious position it now holds around the world as something one must seek, find or purchase when visiting Michigan.