Being 300 years old, they are the youngest among the gems. Their hardness is 3.5, low compared to most of the other gems.<br /> <br /> They are brittle and weak so they are not suited for battle. Despite being clumsy and ineffective they were given the job of completing an encyclopedia.<br /> <br /> They want to find new job for Cinnabar, who patrols at night and lives distantly from the other gems.<br /> <br />