Mama's Minerals.com

Friday, January 10, 2014

                   FLINT
-A type of chert, an extremely fine-grained, silicon-rich sedimentary rock -May contain fossils -Fine-grained texture facilitates splintering & flaking into sharp shards, making  flint useful for blades, arrowheads, etc.

-Creates a spark when struck against steel -Used in flintlock rifles to make a spark and ignite gunpowder

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