Green Onyx makes a statement in any room it's placed. 
 
Onyx gives strength.  It promotes vigor, steadfastness, and stamina.  Imparts self-confidence, helping you to be at ease in your surroundings.  Onyx banishes grief, enhances self-control, and stimulates the power of wise decision-making.  It encourages happiness and good fortune.
 
Onyx treats disorders of the bones, bone marrow, and blood.  It is beneficial for teeth and the feet.