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flint (dest)
flint (dict)

Flint

Flint (or flintstone) is a hard, sedimentary cryptocrystalline silicate rock with a glassy appearance. Flint is usually dark-grey, blue, black, or deep brown in colour. It occurs chiefly as nodules and masses in chalks and limestones. A type of chert, this material is one of the most commonly used materials for the manufacture of stone tools during the Stone Age, as it splits into thin, sharp splinters called flakes or blades (depending in the shape) when struck by another hard object (such as a hammerstone made of another material). It remained an essential mineral resource for making fire, including the flintlocks on early firearms, until the close of the 18th century. It was also used extensively from the 13th century until the present day as a material for building stone walls, especially in England. In Europe, some of the best toolmaking flint has come from Belgium (Obourg, flint mines of Spiennes), the coastal chalks of the English Channel, the Paris Basin, the Sennonian deposits of Rgen and the Jurassic deposits of the Krakw-area in Poland. Flint mining is attested since the Palaeolithic, but became more common since the Neolithic (Michelsberg culture, Funnelbeaker culture).

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