fossil

Tooth or shell fragment (likely fossilized marine material)

Indeterminate; possibly a fossil fish tooth or mollusk shell fragment composed mainly of calcium carbonate (CaCO₃)

AI-generated identification · may be incorrect

Small, off-white, triangular, matte-to-slightly lustrous fragment with apparent layered or fibrous texture; hardness likely about 3–5, depending on whether calcite or phosphate, with no visible crystal faces.

Identified August 12, 2026More fossil →

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At a glance

Common name: Tooth or shell fragment (likely fossilized marine material)
Scientific name: Indeterminate; possibly a fossil fish tooth or mollusk shell fragment composed mainly of calcium carbonate (CaCO₃)
Category: fossil
Identified: August 12, 2026
Method: Standard

AI Estimated Value

$0–$10 for an ordinary fragment; roughly $10–$100+ if confirmed as a diagnostic or geologically significant fossil.

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 derived from a marine organism and potentially mineralized during burial; exact geological age cannot be determined from the image. The pointed shape and pale layered appearance are consistent with a tooth or shell fragment, but identification requires microscopy and locality data.

Uses & applications

Primarily a curiosity or teaching/collecting specimen; fossil fragments generally have little commercial use unless exceptionally complete, diagnostic, or from a notable locality.

Geological facts

It may also be a modern shell or tooth fragment rather than a fossil. A vinegar or dilute acid test causes fizzing in calcite-rich shell material but not in most phosphate teeth; avoid testing valuable specimens.

Field identification & locations

Commonly found on beaches, river gravels, and sedimentary exposures. Check for cellular structure, enamel-like coating, growth lines, and mineral replacement; a scale reference and locality are essential for identification.