Ancient Petrified Wood Trunk Segment - Natural Form Silicified Wood Specimen - Original Arboreal Structure - Height: 888 mm - Width: 150 mm- 20500 g - (1)

Petrified wood specimen from Indonesia, Miocene — This imposing fossilized wood trunk, originating from Indonesia, represents an extraordinary testament to the mineral transformation of organic matter that occurred millions of years ago. Mounted on a customized base, the specimen is a visually striking piece, drawing attention for its size and the exceptional preservation of the details of the original wood structure. The sample appears as an elongated log segment, with surfaces revealing the striations and textures typical of wood, though now entirely mineralized. The coloration is an intriguing mix of earth tones, dominated by grayish whites and warm shades of yellow and light brown, alternating along the surface, highlighting the original grain. The irregularities and cavities reflect the natural morphology of the trunk before fossilization, giving the piece authentic, wild character. The petrification process, or silicification in this case, is a fascinating geological phenomenon. During the Miocene, about 5.33–23.03 million years ago, fallen trees were rapidly buried under silica-rich sediments, which isolated them from oxygen and prevented decomposition. Water rich in minerals slowly filtered into the wood cells, gradually replacing the organic matter with microcrystalline quartz (chalcedony) or opal, faithfully reproducing the original cellular structure. This slow, meticulous process has preserved even the finest details of the plant tissue. A specimen of this size and with such fidelity of preservation is a piece of great scientific and collectors’ value. It offers a window into Earth’s geological past, witness to the flora of a remote era and the natural processes that shaped our planet. Its natural aesthetics, combined with its deep history, make it an ideal object not only for specialized natural history collections but also as a distinctive decorative element in modern environments, offices, libraries, or as the centerpiece of a contemporary “Wunderkammer.” The wooden base adds stability and facilitates display, elevating its visual presence without altering its intrinsic beauty. Technical details Name: Fossil wood (Petrified wood) Classification: Silicified plant fossil Provenance: Indonesia Geological period: Neogene, Miocene (23.03–5.33 million years) Dimensions: 888 x 150 x 140 mm (trunk) Weight: 18100 g (trunk), 20500 g (with base) Material: Petrified wood (silicified) Base: Wood, customized (dimensions 300 x 250 x 50 mm) Conditions: Natural, excellent preservation Restorations: None known Treatments: None known