Petoskey stones are found in the Gravel Point Formation of the Traverse Group. They are fragments of a coral reef that was originally deposited during the Devonian period. When dry, the stone resembles ordinary limestone but when wet or polished using lapidary techniques, the distinctive mottled pattern of the six-sided coral fossils emerges. It is sometimes made into decorative objects. Other forms of fossilized coral are also found in the same location.
The cufflinks cabochons have a nice book match pattern, color and polish. The Petoskey Stone itself measures .55 in wide by .715 tall and have sterling silver attached to the stones.
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Product code: Petoskey Stone buying Cuff links