- An impure, massive, generally dull colored, flintlike quartz or hornstone. By general usage in mineralogy and geology, a chert does not have a conchoidal fracture. By general North American usage in archaeology (archeology) the term chert has been used until recently for quartzes (including flint) with a conchoidal fracture.
- French: chaille
- German: Hornstein, Feuerstein
Supplemental Details:Sponsor an extended definition for chert for as little as $10 per month. Click here to contact us.