Black Onyx is a powerful protection stone.  It can transmute negative energy and aids in the development of emotional and physical strength.  Black Onyx can be used to encourage happiness and good fortune.  This stone helps one to become the master of their own fate.  

Quartz in an amplifying stone.  It can amplify the properties of any of the other stone it is paired with.  This stone is also a powerful healer.  It can enhance personal awareness and growth.  Quartz can dispel feelings of negativity while encouraging positive feelings and thoughts.  It can increase your energy levels and improve your thought processes.