Large Natural Petrified Wood Crystal Fossil Slice Shape Specimen Healing. Weight:8120g=17.90lb (1lb=453.6g). Note:Fossilized wood is a kind of fossilized tree made by exchanging SiO? (silicon dioxide) in groundwater after trees that are at least hundreds of millions of years old are buried underground. It preserves the wood structure and texture of the trees. The color […]