Two fossil pearls on original Inoceramus oyster shell fragment. One pearl is exposed; one pearl is encased by the oyster shell. Each pearl measures 5/8” across. Shell fragment measures 2 ½” x 2 ½”. These pearls developed when a foreign object was deposited inside the oyster. Subsequently the oyster tried to consume the “irritant” by encasing it in a calcium carbonate coating. This process, although common, is a very RARE discovery in the fossil formation.