You may also like. 7.48 3915g Polished PETRIFIED WOOD BRANCH Fossil Madagascar A1454. BLACK , Reddish – Brown;Multi-Color. 7.48″4.92″4.13(190mm125mm105mm). Petrified wood:Silicified wood is mainly generated in the Mesozoic period, most in the Jurassic and cretaceous. Petrified wood, is millions of years ago or earlier after trees are quickly buried underground, replaced by SiO2 (silica) in […]