What's That Rock?Shark tooth
A fossil tooth from a shark that lived millions of years ago. Fossil teeth are dark gray to black and stay hard for ages.
How to identify Shark tooth
- Triangular shape with a smooth enamel surface
- Fine serrations along the edges on some species
- Much heavier than a real modern tooth
Often confused with
- Resin copies
- Fossil crocodile or fish teeth
- Pebbles
Real or fake?
- Resin copies exist and feel light; check weight and root detail
Is Shark tooth valuable?
Common small teeth are inexpensive; very large teeth cost much more.
Typical retail prices
Collector specimen$2–15each
Megalodon teeth cost much more, often hundreds of dollars.
Typical retail ranges in US dollars, compiled from public dealer and marketplace listings in October 2026. Real prices vary widely with quality, size and origin. This is general information, not an appraisal.
What changes the price
- Species and size: megalodon teeth can reach hundreds of dollars, while small fossil shark teeth cost a few dollars
- Condition: complete teeth with intact serrations and root, and good natural color, cost more
- Authenticity: resin and plaster replicas are common, check the weight and enamel
- Collecting rules: some beaches and sites restrict collecting
Uses
- Collecting and display
Care
Safe to wash gently.
Identifying a stone from a description or a photo is an estimate. Many stones look alike. Ask an expert or a gem lab before you buy, sell or rely on an identification.
Updated October 2026