fossil

Fossilized bone, possibly a large limb bone

Fossil bone composed chiefly of bioapatite (hydroxyapatite); exact animal and identification are indeterminate from the photo

AI-generated identification · may be incorrect

Pale tan, weathered, irregularly cylindrical specimen with apparent porous texture; fossil bone is typically Mohs 5, dull to slightly waxy, and retains internal pores or cancellous structure. The image does not show enough detail to determine crystal structure or specific gravity.

Identified October 13, 2026More fossil →

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At a glance

Common name: Fossilized bone, possibly a large limb bone
Scientific name: Fossil bone composed chiefly of bioapatite (hydroxyapatite); exact animal and identification are indeterminate from the photo
Category: fossil
Identified: October 13, 2026
Method: Standard

AI Estimated Value

If confirmed as a common, legally collected fragment, roughly $10–$100; a complete or scientifically important specimen can be worth much more.

Not an official valuation

AI estimate for general interest only — not an appraisal. Actual value depends on condition, provenance, and market demand. Verify with a professional before buying, selling, or insuring.

This identification was generated by AI and may contain errors. Verify important details before relying on them — and never use an AI result to judge whether a specimen is safe to handle. Read the full disclaimer

Physical properties

Formation & geological history

Mineral-rich groundwater can replace or infill bone after burial in sediment; fossilization may occur over thousands to millions of years. Geological age and provenance cannot be established from the image.

Uses & applications

Primarily a teaching, research, or natural-history collectible; value depends strongly on verified identification, provenance, completeness, and preparation.

Geological facts

Large fossil bones are often mistaken for ordinary stone or modern bone. A reliable identification usually requires examination of broken surfaces, internal structure, and documentation of where it was found.

Field identification & locations

The elongated shape suggests a bone, but the photo alone cannot confirm that it is fossilized or identify the species. Avoid cleaning, drilling, or applying chemicals; have a paleontologist or museum assess it and check local fossil-collection laws.