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Flint vs. Quartz

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Flintnoun

A hard, fine-grained quartz that fractures conchoidally and generates sparks when struck.

Quartznoun

(mineral) The most abundant mineral on the earth's surface, of chemical composition silicon dioxide, SiO2. It occurs in a variety of forms, both crystalline and amorphous. Found in every environment.

Flintnoun

A piece of flint, such as a gunflint, used to produce a spark.

Quartznoun

A form of silica, or silicon dioxide (SiO2), occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes also yellow, brown, purple, green, and of other colors; also in cryptocrystalline massive forms varying in color and degree of transparency, being sometimes opaque.

Flintnoun

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

Quartznoun

colorless glass made of almost pure silica

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Flintnoun

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

Quartznoun

a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities

Flintnoun

(figurative) Anything figuratively hard.

Quartz

Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2.

Flintverb

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

Flintnoun

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.

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Flintnoun

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

Flintnoun

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

Flintnoun

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

Flintnoun

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

Flintnoun

a city in southeast central Michigan near Detroit; automobile manufacturing

Flintnoun

a hard grey rock consisting of nearly pure silica (chert), occurring chiefly as nodules in chalk

‘houses built of brick and flint’; ‘flint implements’;

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Flintnoun

a piece of flint, especially as flaked or ground in ancient times to form a tool or weapon

‘the early settlers also found a ready supply of flints in the chalk cliffs’;

Flintnoun

a piece of flint used with steel to produce an igniting spark, e.g. in a flintlock gun, or (in modern use) a piece of an alloy used similarly, especially in a cigarette lighter

‘he struck a light with his flint’;

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.

Flint Illustrations

Quartz Illustrations

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