The piece of flint that provides the igniting spark in a flintlock weapon

Usage examples of gunflint.

We also even find probable microfossils in some rocks, like the Gunflint Chert of Minnesota, about 3.

Matthieu Laensberg lay on the dusty mantelpiece amid gunflints, candle-ends, and bits of amadou.

Nearby, in another spot of shade, a brace of other braves squatted, industriously knapping gunflints from a core of the rock, smoothing and perfecting their creations by use of antler picks and small, heavy mallets.

To manufacture ammunition there were five hundredweight of lead in bars, fifty pounds of pewter to harden the balls to be used against heavy game, twenty thousand prepared lead musket balls, twenty kegs of first-class sporting gunpowder for the rifles and a hundred kegs of coarse black powder for the Brown Bess muskets, two thousand gunflints, greased patches to ensure a tight fit of the conical bullets in the rifle bore, fine cotton cloth to be cut into more patches, and a large keg of rendered hippopotamus fat to grease them.