Super Seven 7 Melody Stone Chevron Polished Square Plate 48 Cts 6449 This listing is for Super Seven *7* Melody Stone ''Chevron''.polished square plate The Super Seven Crystal is an amethyst with a few different inclusions in it. It generally has all or some of the following minerals : Amethyst, Cacoxenite, Goethite, Lepidochrosite, Clear Quartz, Rutile, Smokey Quartz. This stone has been mined from India.