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. #Geology #Petoskey_Stone #Michigan

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. #Geology #Petoskey_Stone #Michigan

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.

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 were formed by the fossilization of ancient coral, Hexagonaria.  The coral lived in shallow waters.  Petoskey Stones are found on many beaches of Lake Michigan and Lake Huron, as well as in rock quantities from Traverse City to Alpena.  The honeycomb patterned stone has a hardness from 4 to 5.

Petoskey Stones were formed by the fossilization of ancient coral, Hexagonaria. The coral lived in shallow waters. Petoskey Stones are found on many beaches of Lake Michigan and Lake Huron, as well as in rock quantities from Traverse City to Alpena. The honeycomb patterned stone has a hardness from 4 to 5.

Collecting Leland Bluestones & Petoskeys on the shores of Lake Michigan - one of my favorite obsessions!!!!

Collecting Leland Bluestones & Petoskeys on the shores of Lake Michigan - one of my favorite obsessions!!!!

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