Large Natural Petrified Wood Crystal Fossil Slice Shape Specimen Healing. Weight:8370g=18.45lb (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 is yellow, light yellow, yellow brown, red brown, gray, gray and black, etc. The polishing surface can have glass luster, opaque or slightly transparent, because the texture of some fossil wood presents the texture of jade, also known as silicified wood or arboreal jade. Silicified wood is hundreds of millions of years ago trees being buried because of a variety of reasons, in formation, around the trunk chemicals such as silica, iron sulfide, calcium carbonate under the action of groundwater to the interior trees, replaced the original wooden components, retain the form of trees, and formed by the steric petrochemical plant fossils, because of containing silica component, therefore. Often called silicified wood or arboreal jade. Because we will keep our items updated. Buyers first add items to their. We will use china Post Air Parcel Service. Thank you for your understanding and patience. Safer, more convenient and faster. If you’re not 100% satisfy with our products, you. No matter what problem you have, we will solve it carefully and quickly. Thank you for your understanding and magnanimity. If you have any other questions, please don’t hesitate to ask. Be sure to follow our store to keep up with our amazing deals!