International symposium in Istanbul

Dear friends,

We have a symposium in Istanbul between 15th and 18th September. It
is mostly about building materials, but in the 4th day presentations
there is also Gemstones. I will give a powerpoint presentation about
natural and synthetic emeralds and I will show the photos I took
through the microscope. The website for this event is;

And you will see my name in;

I am quite excited… Kind regards from Turkey, Oya Borahan