Super 7 is a Quartz crystal combined of 7 minerals, Amethyst, Smoky Quartz, Rutile, Goethite, Lepidocrosite and Cacoxenite, this stone does not need cleansing or re-energizing. It is one of the most powerful of all stones and size does not matter, each stone carry’s with it the energy of the whole. Size 7 - set in Sterling Silver