Sunstone

Sunstone is a fusion gem between Garnet, Sapphire, Emerald, Amber, Gold, and Diamond introduced in the episodes Fusion Crime and Peridot Controls the Earth!

Physical Appearance
Sunstone is a large fusion gem who was fused by multiple dance moves as she was able to summon a large thin weapon as she was balaced with her feet really well as of everyone's surprise by their escape from them as the same gems refused back into Sunstone as she chased them to stop the bus they were inside as they unfused again as they punished Steve Universe!

Notes/Trivia

 * Sunstone is the first gem introduced for a dinner party while meeting the Marshenpones for dinner to make a good impression on them as she unfuses from fighting with herself as she then refused to stop Steve Universe and Marie Marshenpone from running away from the others!