An exceptional specimen of petrified wood (Dipterocarpus sp.) sourced from the ancient rainforests of Java, Indonesia. Dating back to the Miocene epoch (approx. 5 to 23 million years ago), this slice stands out for its remarkably complete, near-circular shape and a stunning central core filled with bluish-white opaline chalcedony and small quartz crystal vugs. ​Visual & Aesthetic Highlights: ​Crystalline Core Inclusions: Features a prominent central fissure filled with translucent, bluish-grey chalcedony/agate veinlets and tiny open quartz-lined cavities. ​Complete Ring Definition: Showcases exceptionally complete, concentric annual growth rings radiating smoothly from the center in warm oak, caramel, and coffee shades. ​High-Gloss Polish: Mirror-polished on the primary face to bring out the subtle contrast of the silica veins and wood grain, framed by a natural bark rim. ​Display Presence: Measuring 33 cm by 29 cm and weighing 4 kg, its classic round proportion makes it an ideal centerpiece for mineral displays or modern decor. ​Lot Specifications: ​Material: Petrified Wood (Dipterocarpus sp.) ​Dimensions: 33 cm (Height/Length) x 29 cm (Width) x 3 cm (Depth / Thickness) ​Geological Period / Age: Miocene (approx. 5–23 million years old) ​Condition: Natural fossil specimen, professionally cut and polished on one side. Excellent structural integrity with no artificial color treatments or composite repairs. ​Weight: 4 kg ​Shipping Method: Packed with care and protective padding, shipped via registered trackable courier. ​Additional Notes: ​Origin: Java, Indonesia ​Display Stand: The metal display stand shown in the photos is for demonstration purposes only and is not included with the lot.