Flint
Cryptocrystalline form of the mineral quartz
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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. Flint was widely used historically to make stone tools and start fires.
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'Don't mess with Claressa' - a fighter as hard as FlintClaressa Shields grew up without support, protection or a bed to call her own. She has since scaled the heights to bring joy to Flint, a city that has become a byword for a broken American dream.BBC Sport - Published |
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