Found lots of Petoskey stones and still search.Five tips for finding and polishing Petoskey stones, fossilized ancient coral found on the beaches in the shallows of Lake Michigan along the Northern Michigan coast.
Petoskey Stones, the state stone of Michigan, are fossilized coral resulting from glaciation and are often polished to reveal the beautiful pattern of the 6 sided coral colonies. Here is a Petoskey stone & Charlevoix stone.
Petoskey stones ~ fossilized coral that lived 350 million years ago - the rocks rounded in the surf along the shore of Lake Michigan near Petosky, Michigan. We find them on the east coast on Michigan also
A Petoskey stone .is a rock and a fossil, often pebble-shaped, that is composed of a fossilized coral that lived 350 million years ago. The rocks rounded in the surf along the shores of Lake Michigan near Petoskey, Michigan.
Petoskey stone is a rock and a fossil, often pebble-shaped, that is composed of a fossilized coral, Hexagonaria percarinata. They are fragments of a coral reef that was originally deposited during the Devonian period, about 350 million years ago.
Petoskey isn't the only stone on the beach, and the Lake Michigan shoreline from South Haven to St. Joseph offers wonderful stones for rock collectors. Here are the names of some of those commonly found on Southwest Michigan beaches. Thanks to Patti Oakland of Seaswept Designs in Kalamazoo for identifying the stones and sharing her collections.