Natural design – Petrification Petrification Petrification Bones – Fossils. Found in a tributary of the Danube near Ulm in Germany. By comp| 2017-10-19T20:25:30+02:00 December 18th, 2013|Artefact, Bone, Fossil, Material, Structure, Texture|Comments Off on Natural design – Petrification Share This Story, Choose Your Platform! FacebookTwitterLinkedinRedditTumblrGoogle+PinterestVkEmail Related Posts Permalink Gallery Chromed drain pipe Permalink Gallery Withered melon bowl. Permalink Champagne bottle caps. Permalink Fossil, Petrification from Prematura, Istria Permalink Gallery Piz Gloria, Schilthorn, Switzerland. Piece of Carpeted Floor.