JAIPUR GEMSTONE-5.00 Carat / 5.25 Ratti Unheated Untreated Star Sapphire Stone from Burma Original Certified

Star sapphires contain intersecting needle-like inclusions following the underlying crystal structure that causes the appearance of a six-rayed "star"-shaped pattern when viewed with a single overhead light source. The inclusion is often the mineral rutile, a mineral composed primarily of titanium dioxide.