- Types:
- show 7 types...
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chert
variety of silica containing microcrystalline quartz
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flint
a hard kind of stone; a form of silica more opaque than chalcedony
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silex
a pure form of finely ground silica
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gunflint
the piece of flint that provides the igniting spark in a flintlock weapon
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taconite
a variety of chert containing magnetite and hematite; mined as a low-grade iron ore
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firestone
a piece of flint that is struck to light a fire
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flintstone
pebbles of flint used in masonry construction
