"Conchoidal" Quotes from Famous Books
 ... and the more deadly wooden maces stuck all over with obsidian points, and of the priests' sacrificial knives too, not long after. These things were not cut and polished, but made by chipping or cracking off pieces from a lump. This one can see by the traces of conchoidal fracture ...
— Anahuac • Edward Burnett Tylor |
