🪨 Coral
Fossilized coral remains from ancient reefs. Michigan's Petoskey stones and Florida's agatized coral are popular fossil coral varieties for collectors.
Best Places to Find Coral
Rockport State Recreation Area
Alpena, Michigan · state-recreation-area
Former limestone quarry turned state recreation area on Lake Huron. One of the best Devonian fossil hunting grounds in the Great Lakes — Favosites hon...
Fisherman's Island State Park
Charlevoix, Michigan · State Park
Lake Michigan shoreline park near Charlevoix with excellent Petoskey stone and Charlevoix stone hunting. The beach gravels are rich with fossilized co...