This is a rare and beautiful deep sea clam that has been opalised by mother nature for your collection. It is a one-of-a-kind piece that will make a unique addition to any collection of rocks, fossils, or shells. The intricate details of the clam is preserved in stunning clarity, making it a true work of art. Its large size is impressive and it is sure to be a conversation starter. This clam is perfect for anyone who appreciates the beauty of natural wonders.