Conodont
Fossil
About it
Tiny tooth-like elements, mostly under 2 millimetres, from eel-like early vertebrates. Picked from dissolved limestone to date Paleozoic and Triassic rocks; their colour shows how hot the rock once got.
- Type
- Fossil (microfossil)
- Group
- Conodont (early vertebrate)
- Colours
- amber, brown, grey, black
- Transparency
- opaque
- Periods
- Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian, Triassic
Typical values: real specimens vary. For more, see mindat.org.