Flint vs. Obsidian

Difference Between Flint and Obsidian
Flintnoun
A hard, fine-grained quartz that fractures conchoidally and generates sparks when struck.
Obsidiannoun
(mineral) A type of black glass produced by volcanoes.
Flintnoun
A piece of flint, such as a gunflint, used to produce a spark.
Obsidianadjective
(poetic) black
Flintnoun
A small cylinder of some other material of the same function in a cigarette lighter, etc.
Obsidiannoun
acid or granitic glass; usually dark, but transparent in thin pieces
Flintnoun
A type of maize/corn with a hard outer hull.
Flintnoun
(figurative) Anything figuratively hard.
Flintverb
(transitive) To furnish or decorate an object with 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