Ferrocerium
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Ferrocerium is a synthetic pyrophoric alloy of mischmetal hardened by blending in oxides of iron and/or magnesium. When struck with a harder material, friction produces hot fragments that oxidize rapi
Ferrocerium "flint" from a lighter
A spark lighter in action
A mora knife with a ferrocerium rod that can be stored in the handle
Flint
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Flint, occasionally flintstone, is a sedimentary cryptocrystalline form of the mineral quartz, categorized as the variety of chert that occurs in chalk or marly limestone. Historically, flint was wide
Ferrocerium
…firelighting device in survival kits. The ferrocerium is referred to as a "flint" in this case, as both are used in fire lighting. However, ferrocerium and natural flint have opposite mechanical operation. Ferrocerium alloy was invented in 1903 by the Austrian chemist Carl Auer von Welsbach. It takes its name from its…
A sample of Miorcani flint from the Cenomanian chalky marl layer of the Moldavian Plateau (c. 7.5 cm (3.0 in) wide)
A piece of flint 9–10 cm (3.5–3.9 in) long, weighing 171 grams
Silicified remains of algae and silica pseudomorph after halite in flint. Pebble of Loire near Marcigny, France. Image width: about 5 mm
Pebble beach made up of flint nodules eroded from the nearby chalk cliffs, Cape Arkona, Rügen, northeast Germany