Opal Crystal is famed by the name of “Queen of Gems” for its amazing features that are not shown by any other gemstone. While depicting every color of a rainbow in a single gaze, it leaves your heart pounding with its beauty. It ranges around 5.5-6 on the Mohs scale of hardness that makes it quite delicate to handle. Yet, with optimum care it can sustain for generations with the same bling. Explore Sagacia Jewelry to grab your hands on some stunning designs of Opal Jewelry and other Gemstone Jewelry.