JAIPUR GEMSTONE-Star Ruby Amazing Unique Gemstone 5.25 Carat Non-heated Non-treated Pendant for Unisex

Star ruby is a rare variety of ruby thatexhibits 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.