flint

Also known as flintstone, flint rock

right|thumb|A piece of flint long, weighing 171 grams

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Key facts

Rock.type: Sedimentary
Rock.name: Flint
Rock.image: Miorcani flint.jpg
Rock.alt: A sample of Miorcani flint
Rock.caption: A sample of Miorcani flint from the Cenomanian chalky marl layer of the Moldavian Plateau ( wide)
Rock.composition: Cryptocrystalline quartz

via Wikipedia infobox

Wikidata facts

Image: Silex-Zaragoza.jpg

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Commons category: Flint (rock)
Commons gallery: Flint

Sources (3)

via Wikidata · CC0

~13 min read

Article

13 sections

Contents

Origin
Uses
Tools or cutting edges
To ignite fire or gunpowder
Flintlocks
Comparison with ferrocerium
Fragmentation
As a building material
Ceramics
Jewelry
See also
References
External links

right|thumb|A piece of flint long, weighing 171 grams

Flint, occasionally flintstone (SiO2 ), 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 widely used to make stone tools and start fires.