This is a teaching sample. See if you can how to differentiate the natural from a synthetic sapphire.
What's so cool about this piece? Well, it is not your standard "synthetic" sapphire but one that can fool the best of experts. In the "rustle and bustle" of the Umbrella Gem Market in Mogok, buyers make instant offers at a glance for small sizes like this one. That's when you get "fooled" and end up making a mistake thinking that it was a genuine sapphire!