Saturday, May 19, 2012

River Thames Flint

I received some flint recently from a friend in Texas and have been using it to make fire using the flint and steel method.  I've got a pretty good idea what flint looks like.  The inner core of the rock has a dark appearance and the outer layer is lighter in colour.

The rock prior to flaking off a piece.
In our front yard we have a rock garden containing rocks we've brought back from our family vacation trips.  One of them was picked up from the Thames riverbed in London England at low tide. I happened to notice that rock the other day and wondered if it could be flint.  I decided to flake off a piece and find out if it could produce a spark with my steel.

A piece flaked off.
I flaked a large piece off using one of the other rocks from the garden and then broke it down into a couple of smaller pieces.  In the process I noticed blood streaming from my thumb - I had cut it without knowing it.  Well these flakes sure are sharp which is a good sign.

Smaller pieces flaked off.  Notice the translucent piece on the left.
The moment of truth came as I took one of the smaller pieces and struck it with my steel.  Jackpot, it produced a shower of sparks.  I will be adding some of these pieces to my kit mainly for sentimental value to remember our vacation but also because they produced a nice sharp edge.  The rock seems to have a translucent property making it look like glass.


The rock returned to the garden.

I still have a large piece of rock for the garden safe and sound for when I need another piece of flint.

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