Petoskey Pen Set #010523-01
Celebrating Michigan's state stone, the Petoskey Stone as a one of a kind pen set with a silver accented pen. This base measures 4.5" L x 3.25" W.
This interesting stone is a variety of Calcite. It was formed by the fossilization of an ancient coral, Hexagonaria. The coral lived in shallow waters and today's fossil often includes ancient silt and mud. Petoskey Stones are found on many beaches of Lake Michigan and Lake Huron, as well as in rock quarries from Traverse City to Alpena. The honeycomb patterned stone has a hardness from 4 to 5 and is the official Michigan State Stone