Osmunda                Cobblestone  
                  Queensland, Australia 
                8.6 cm  x 12 cm  
                
                  
                    
                      | It
                            is the wonderful pattern of leaf traces, petiole
                            cross-sections and rootlets surrounding a central
                            stele (pith, xylem and phloem) in the permineralized
                            stem, which attracts the interest of the fossil wood
                      collector.  | 
                     
                   
                                      
                   
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