Phosphate Pebble
Bone Valley Formation

A smooth, dark, waxy pebble from Florida's Bone Valley — the matrix that carries most of the state's fossils.
- Typical size
- 0.25–2 in
- How often it turns up
- Very common at fossil sites
- Collecting
- Check local rules
- Handling
- Safe to handle
Collecting on state land or in rivers may require a permit.
How to tell it apart
- Smooth, rounded, slightly waxy feel
- Dark brown, grey or black
- Heavier than a quartz pebble of the same size
Found one?
Photograph it and BeachNut will rank the likely matches, then log it to your collection.
Identify a find




