Petrified Wood
This specimen consists of a mineralized fragment of ancient wood, demonstrating the process of permineralization where organic matter has been replaced by silica while preserving original anatomical structures. One primary face shows a distinct longitudinal grain with vertical striations typical of woody plant tissue. The color palette is diverse, featuring a base of cool greys and charcoals within the mineralized core, contrasted by vibrant ochre, rust-orange, and earthy brown staining on the exterior and along fracture planes, likely indicating the presence of iron oxides. The outer 'bark' surface is characterized by a rough, ridged texture and a lighter, beige-to-tan coloration. The specimen is blocky and irregular in shape, representing a robust fragment of a larger trunk or branch. There are no signs of artificial polishing or industrial preparation; the piece retains its natural, raw state with sharp-edged fractures and weathered surfaces. The internal structure appears dense and lacks visible porosity, suggesting complete silicification, typical of chalcedony or opal replacement.
Good
Natural, unprepared
Evidence of permineralization and wood anatomy preservation.
Close-up showing the rough, beige exterior and the transition to the mineralized interior.
Fossil collection
Fossil collection
Fossil collection
Fossil collection
Fossil collection
Fossil collection
Fossil collection
Fossil collection
Fossil collection
Fossil collection