Hidden smooth

Found this little stone when we were out walking one day ..... it has languished in my 'treasure trove' since then ....... waiting for the right time to use it.

Thought today's Tiny Tuesday (#TT142) was the ideal time ....... although the outer surface is rough ...... the inner (where it has split) is very smooth (today's theme) ....... thanks to Mindful_life for hosting this month :-)

You can just make out the rough edge ....... thought this added a little contrast ...... hope you like it :-)

I did consider using the title "Taking the rough with the smooth" ..... but thought it was a bit long!