Polished Petoskey Stone Specimens

The Polished Petoskey stone is polished on one side and rough tumbled on the other side. Photos are representative only. Petoskey Stone This interesting stone is a variety of Calcite. The coral lived in shallow waters and today's fossil often includes ancient silt and mud. The honeycomb patterned stone has a hardness from 4 to 5 and is the official Michigan State Stone. This is a grab bag item. That means we will pick one from our available inventory and send it to you. Beautiful Michigan Petosky Stone Specimen. Polished on one side and natural on the other side. As with all things in nature no two are alike. Combine on shipping & save on 2 or more of the same or various items. A true Earthly treasure made from of the Stuff of Stars. The StarStuff.