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Polished Petoskey Stone #5

Beautiful Petoskey Stone specimen that shows the wonderful pattern that Petoskey Stones are known for. This specimen measures 2 3/4" W x 2" D x 3/4" T and weighs 3.3 ounces. The specimen is high polished on all sides but the bottom. This interesting stone is a variety of Calcite....
$18.00

1 In Stock

PS-P18-102

Beautiful Petoskey Stone specimen that shows the wonderful pattern that Petoskey Stones are known for. This specimen measures 2 3/4" W x 2" D x 3/4" T and weighs 3.3 ounces. The specimen is high polished on all sides but the bottom.

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.

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