Zap! Powie! I don't think I've ever seen this material before; this cab has little orbs that look like tiny solar eclipses. I think I'm going to keep this one for the collection (sorry!).

25.5mm x 19.5mm x 5.5mm.   Weight: 15.45 carats.

Click the image on the right to see the cabochon super-sized...

This cabochon is in my personal collection. It is not for sale.