Diagram showing the conchoidal fracture of flint.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Diagram showing the conchoidal fracture of flint. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Diagram showing the conchoidal fracture of flint. Wellcome Collection. Source: Wellcome Collection.