JAIPUR GEMSTONE-Natural Star Ruby Gemstone 5.25 Carat Unheated & Untreated Star Ruby Gemstone Original by Lab Certified

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.