Chert Stone Tumble Keyring

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Product Info

Chert Stone Tumble Keyring 

Stone Size: 20x25mm

Length: 12cm

Chert is a hard, fine-grained sedimentary rock composed of crystals of quartz that are very small.  When a chert stone is struck against an iron-bearing surface, sparks result. This makes chert an excellent tool for starting fires, and both flint and common chert were used in various types of fire-starting tools, such as tinderboxes, throughout history.


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