The product is petrified wood that is in the beginning stage of opalization. This means that it is still natural in shape, but is starting to develop the unique opal-like qualities that are characteristic of some types of petrified wood. It is a collectible item that showcases the beauty of nature and the geological history of the wood it originated from. This product would be a valuable addition to any collection of crystals, mineral specimens, or rocks, fossils, and minerals.