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Bookmark or Share- 15 Places to Find Petoskey Stones in Michigan: Rock-Hunting GuideMichigan’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.
- Petoskey Stones and Why It's Named After an Ottawa ChiefThese Limestone outcrops are along the coast of Little Traverse Bay near Petoskey, Michigan. Petosky Stones can be distinguished by their unique exoskeleton structure. These stones consist of tightly packed, six-sided Corallites, which are the skeletons of once-living coral polyps.
- Petoskey stone - WikipediaA Petoskey stone is a rock and a fossil, often pebble-shaped, that is composed of a fossilized rugose coral, Hexagonaria percarinata. [1]
- Petoskey Stones | Rock & Gem Magazine - rockngem.comPetoskey stones began life as coral planulae, free-swimming larva that propel themselves around in the warm waters of tropical seas with tiny hairlike projections. Eventually, they drop to the bottom of the sea.
- Petoskey Stone: What It Is & Where to Find It – Geology InPetoskey 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.
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