Green Long Agate with 10mm lobster clasp and just for you charm

This is a really pretty green. The agate slice is approximately 45x25mm. It has a short silver plated chain with a 10mm silver plated lobster clasp. 
The piece of agate is attached to the chain by a piece of ribbon. At the clasp end there is also a “Just for You” star charm. 
there is a small flaw in the stone just under halfway down. It is about 6mm. With where it is situated, it is not easily seen, and it can’t be seen on the other side. 
This are the best photos I can manage. 
If you want clearer pictures, please ask. I have a mini photo studio box that I will hopefully have set up in a few days.