This particular form of petrified wood comes from regions of Western Australia and has an interesting history. It was formed during the Cretaceous Period with the help of Marine Clams that had a taste for wood and created boreholes that eventually sank and collected plankton, shells and sediment that hardened over time. This fascinating gem-fossil is regarded as a Stone of the Earth. It is perfect for use after an especially heightened meditation for sake of re- grounding