Copper Wire Wrapped Pendant

Another recent gift (for my youngest cousin's 21st) made from a slice of agate I stumbled across in a gift shop at Alton Towers (of all places!).  The copper was heat treated before wrapping to achieve the distressed finish.  The agate was quite a striking blue, it is shame that I did not manage to capture that with the camera :-(.

The front:

 ... and the back: