JAIPUR GEMSTONE-Natural Star Ruby 5.75 Ratti Lab Certified Star Ruby Gemstone with Amazing Six Rays Intersect Lines.

Star ruby is a rare variety of ruby that exhibits asterism; a six-rayed star that shimmers over the surface of the stone when it is moved. The star effect is owed to aligned needle-like rutile inclusions. It is the rutile which is responsible for its silky shine.