Check the listing for details. Tumbled Polished Agatized Petrified Wood Fossil Crystal. Condition: New. Listed at 5.98 USD. The product is a crystal of tumbled and polished agatized petrified wood, a type of fossilized plant material that has been turned into stone over millions of years through a process called wood turning. The polishing and tumbling process reveals the intricate patterns and colors within the fossilized wood, making it a unique and collectible piece for enthusiasts of rocks, fossils, and minerals. This product showcases the beauty and history of the natural world in a visually stunning and one-of-a-kind item.