They are “the cos­mi­cal­ly charged cor­ner­stones upon which the great pyra­mids of Egypt were built.” They are “nat­ur­al super­con­duc­tors through which a uni­verse of enlight­en­ment passed to the lost con­ti­nent of Atlantis.” They are crys­tals, and if you know how to use them they can make you healthy, wealthy, and wise.