chert

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English[edit]

Etymology[edit]

Unknown.

Noun[edit]

chert (countable and uncountable, plural cherts)

  1. (geology, uncountable) Massive, usually dull-colored and opaque, quartzite, hornstone, impure chalcedony, or other flint-like mineral.
  2. (countable) A flint-like tool made from chert.

Usage notes[edit]

Generally, in mineralogy and geology, a chert does not have a conchoidal fracture. In North American archeology the term chert occasionally is still used for various siliceous minerals (including flint) that have a conchoidal fracture; this leads to confusion between the terms flint and chert in some archeology texts.

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