it's odd isn't it Fib, can't explain why, a little memory of the place I've been to perhaps... or perhaps we've both got Rock-cleptomania.My most dead glam piece of rock is a purple one from the top of a volcano that my dad got for me... I couldn't walk to the top with him as I started getting altitude sickness (I was only young), so he got me it... awww bless.
I have various rocks in the car from all over the place...
mmmmmm rocks....mmmm stones... uh oh! Santa, please send me a stone (small one will do) too. Cheers!