Petoskey stone cut into a rectangle by Michael. The wax for this Petoskey stone ring was carved by Tony and cast in fine silver. It is solid behind the Petoskey stone not hollow, is fairly heavy in weight and a size 10 1/2. The designs on the sides are sort of lightening bolts. Overall size of this Petoskey stone is about 5/8″ 3/4″. A very nice pattern in the Petoskey stone.