"Stone of Inner Strength" It helps one center and align with higher powers, and  can be used to banish grief, enhance self-control, encourage happiness and good fortune.  Helps one become the master of ones own future, enhancing one's endurance and persistence to carry even difficult and dreary tasks through completion. It also assists one in building up vitality and containing one's own energies rather than allowing them to dissipate. Onyx emanates the energy of self-mastery.