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Incorporated in 1937, Flint Energies is a not-for-profit member-owned electric cooperative that provides energy services to residential, commercial, ...
Flint
Form of rock
Flint, occasionally flintstone, is a sedimentary cryptocrystalline form of the mineral quartz, categorized as the variety of chert that occurs in chalk or marly limestone. Historically, flint was widely used to make stone tools and start fires. Wikipedia
Grain size: between 0.5 to 20 micrometers
Child material class: Ferrocerium
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