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Flint vs. Obsidian — What's the Difference?

Flint vs. Obsidian — What's the Difference?

Difference Between Flint and Obsidian

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Flint

Flint is a sedimentary cryptocrystalline form of the mineral quartz, categorized as the variety of chert that occurs in chalk or marly limestone. Flint was widely used historically to make stone tools and start fires.

Obsidian

Obsidian () is a naturally occurring volcanic glass formed when lava extruded from a volcano cools rapidly with minimal crystal growth. It is an igneous rock.Obsidian is produced from felsic lava, rich in the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium.

Flint

A hard grey rock consisting of nearly pure silica (chert), occurring chiefly as nodules in chalk
Houses built of brick and flint
Flint implements

Obsidian

A usually black or banded, hard volcanic glass that displays shiny, curved surfaces when fractured and is formed by rapid cooling of lava.

Flint

A very hard, fine-grained quartz that sparks when struck with steel.
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Obsidian

(mineral) A type of naturally occurring black glass produced by volcanoes.

Flint

A piece of flint used to produce a spark.

Obsidian

A slightly bluish black, the color of obsidian glass.

Flint

A small solid cylinder of a spark-producing alloy, used in lighters to ignite the fuel.

Obsidian

(poetic) black

Flint

A piece of flint used as a tool by prehistoric humans.

Obsidian

A kind of glass produced by volcanoes. It is usually of a black color, and opaque, except in thin splinters.

Flint

Something resembling flint in hardness
A jaw of flint.

Obsidian

Acid or granitic glass; usually dark, but transparent in thin pieces

Flint

A hard, fine-grained quartz that fractures conchoidally and generates sparks when struck against a material such as steel, because tiny chips of the steel are heated to incandescence and burn in air.
He used flint to make a fire.

Flint

A piece of flint, such as a gunflint, used to produce a spark by striking it with a firestriker.

Flint

A small cylinder of some other material of the same function in a cigarette lighter, etc.

Flint

A type of maize/corn with a hard outer hull.

Flint

(figurative) Anything figuratively hard.

Flint

(transitive) To furnish or decorate an object with flint.

Flint

A massive, somewhat impure variety of quartz, in color usually of a gray to brown or nearly black, breaking with a conchoidal fracture and sharp edge. It is very hard, and strikes fire with steel.

Flint

A piece of flint for striking fire; - formerly much used, esp. in the hammers of gun locks.

Flint

Anything extremely hard, unimpressible, and unyielding, like flint.

Flint

A hard kind of stone; a form of silica more opaque than chalcedony

Flint

A river in western Georgia that flows generally south to join the Chattahoochee River at the Florida border where they form the Apalachicola River

Flint

A city in southeast central Michigan near Detroit; automobile manufacturing

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