Sneaky Synthetic Sapphire

Posted on Mar 22, 2017 in Gemcutting, Gemology, Journal, Q&A | No Comments
Sneaky Synthetic Sapphire

One of my clients purchased a fine selection of larger sized sapphire rough from Umba, Tanzania. The stones were all nicely shaped and great colors. But in reviewing the stones for cutting, I noticed one that didn’t seem quite right. It seemed to be a water-worn sapphire cobble, but the fracture pattern on one side […]