Polished Petrified wood- Chromium Woodworthia. Zambezi river, near Gokwe Zimbabwe. Triassic Period: 251-199.6 Million Years Ago. The item “Rare Petrified Wood Chromium Woodworthia Slab Gokwe, Zimbabwe 4.5×4.25″ is in sale since Monday, March 16, 2020. This item is in the category “Collectibles\Rocks, Fossils & Minerals\Fossils\Vegetation\Petrified Wood”. The seller is “howard_and_sons” and is located in League […]