Petoskey stones are the fossilization of ancient coral - Hexagonaria
2 Rough Tumbled Stones (NOT POLISHED)
Own your own sample of Michigan's State Stone!
PHOTOS ARE REPRESENTATIVE ONLY. EACH PIECE IS UNIQUE! (sizes range from aprx. 1.75"-2.25")
Wet the stone, or use oil to make the pattern pop! Otherwise most of these will look like regular stones without doing this
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These raw/rough tumbled Petoskey stones may range from 2" to 2.5" across". Photos are representative only. Each piece is unique.Most stones will not have visible patterns until the stone is wet! *Petoskey Stone* This interesting stone is a variety of Calcite. It was formed by the fossilization of 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 Travers City to Alpena. The honeycomb patterned stone has a hardness from 4 to 5 and is the official Michigan State Stone