
Petrified Wood Specimen and Polished Cross-Section Log
This item consists of two distinct components of petrified wood: a large, raw, three-dimensional specimen and a polished cross-section slice. The raw specimen displays a complex coloration varying from creamy beige and off-white to deep brownish-greys, suggesting silica replacement (chalcedony) of the original organic material. It exhibits significant internal texture, with cavities, crystalline pockets, and rough, uneven fractured surfaces that indicate a natural, unpolished state. Adjacent is a polished cross-section slab, showcasing exceptionally clear growth rings with a deep honey-colored hue and a semi-glossy finish. The polished side reveals the concentric circular patterns inherent to the original tree's biology, featuring a dense grain and several naturally occurring cracks or fissures radiating from the center, which are typical for ancient fossilized wood. The surface of the slice appears smooth and professionally buffed, contrasting sharply with the rugged, bark-like exterior of the larger chunk. There are no visible maker's marks, as this is a natural geological object. The item is likely millions of years old, potentially dating to the Cenozoic or Mesozoic eras. The overall condition is good, with some natural edge wear and structural cracks that are expected in fossilized organic matter. The high level of detail in the growth rings and the combination of raw and polished textures indicate a high-quality display specimen for geological collection.
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Estimated Value
$450 - $650
Basic Information
Category
Geological Specimens / Fossils
Appraised On
April 25, 2026
Estimated Value
$450 - $650
Item Description
This item consists of two distinct components of petrified wood: a large, raw, three-dimensional specimen and a polished cross-section slice. The raw specimen displays a complex coloration varying from creamy beige and off-white to deep brownish-greys, suggesting silica replacement (chalcedony) of the original organic material. It exhibits significant internal texture, with cavities, crystalline pockets, and rough, uneven fractured surfaces that indicate a natural, unpolished state. Adjacent is a polished cross-section slab, showcasing exceptionally clear growth rings with a deep honey-colored hue and a semi-glossy finish. The polished side reveals the concentric circular patterns inherent to the original tree's biology, featuring a dense grain and several naturally occurring cracks or fissures radiating from the center, which are typical for ancient fossilized wood. The surface of the slice appears smooth and professionally buffed, contrasting sharply with the rugged, bark-like exterior of the larger chunk. There are no visible maker's marks, as this is a natural geological object. The item is likely millions of years old, potentially dating to the Cenozoic or Mesozoic eras. The overall condition is good, with some natural edge wear and structural cracks that are expected in fossilized organic matter. The high level of detail in the growth rings and the combination of raw and polished textures indicate a high-quality display specimen for geological collection.
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