Turritella Agate
Fossil Turritellidae in silica
A dark stone packed with spiral snail shells, polished smooth by the surf.
- Typical size
- 1–4 in
- How often it turns up
- Rare on beaches
- Collecting
- Check local rules
- Handling
- Safe to handle
Rules depend on land ownership.
How to tell it apart
- Many small spiral shells embedded in stone
- Hard, glassy, takes a shine
- Brown to near black
Found one?
Photograph it and BeachNut will rank the likely matches, then log it to your collection.
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