fossil

Fossil tooth or shell fragment (likely fossilized reptile/dinosaur tooth fragment)

Indeterminate vertebrate dental fossil; mineralized hydroxyapatite replaced or infilled by silica/carbonate

AI-generated identification · may be incorrect

Gray-beige, heavily weathered specimen with a ridged/serrated surface and dense appearance. Exact hardness, luster, and internal structure cannot be determined reliably from the photograph; fossil bone/tooth commonly has Mohs hardness about 4–6 and a porous interior.

Identified August 16, 2026More fossil →

Explore Fossil tooth or shell fragment (likely fossilized reptile/dinosaur tooth fragment) in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

At a glance

Common name: Fossil tooth or shell fragment (likely fossilized reptile/dinosaur tooth fragment)
Scientific name: Indeterminate vertebrate dental fossil; mineralized hydroxyapatite replaced or infilled by silica/carbonate
Category: fossil
Identified: August 16, 2026
Method: Standard

AI Estimated Value

$5–$30 if an unidentified fragment; approximately $50–$500+ if professionally identified, authenticated, and legally documented.

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

Likely formed when tooth or bone was buried and mineralized during diagenesis; geological age and species cannot be established visually. The morphology is insufficient for a confident taxonomic identification.

Uses & applications

Primarily a study or display specimen; authenticated fossils may have collector value, but it is not suitable for construction or jewelry.

Geological facts

The visible ridges could represent tooth enamel ornamentation, but they may also be natural fracture or matrix texture. A close-up of all surfaces, scale, locality, and a broken cross-section would be needed for identification.

Field identification & locations

Fossil indicators include contrasting enamel and softer interior, mineral-filled pores, and a nonuniform weathered texture; a jeweler’s loupe and specific gravity test can help. Avoid acid or destructive testing, and verify legal provenance before selling or collecting.