11. In order to demolish the tower, Garnet and Pearl fuse into Sardonyx , leaving Amethyst in dismay. 12. In " The Sardonyx Net " ( 1981 ), one of the primary characters is a sexual sadist. 13. Sardonyx opens like a radio host, and she makes a big show of how excited she is to be fused.14. The Sardonyx was made by luthier Jeff Levin, who worked for Matt Umanov's Lower Manhattan's guitar store. 15. Greeting Malachite with a three-armed punch, Alexandrite forms Sardonyx 's war hammer and launches her into the sky. 16. The Breastplate supposedly included jasper, chrysoprase and sardonyx , and there is some debate as to whether other agates were also used. 17. Realizing her plan is revealed, Pearl apologizes to Garnet and tells her that it's just fun to be Sardonyx with her. 18. "' Sardonyx "'is a variant in which the colored bands are sard ( shades of red ) rather than black. 19. (voiced by Alexia Khadime ) The fusion of Garnet and Pearl, Sardonyx has the personality of an elegant but attention-seeking entertainer. 20. Artificial treatments have been used since ancient times to produce both the black color in " black onyx " and the reds and yellows in sardonyx .