Black Onyx Palm Stone

Onyx is a variety of Chalcedony.  Onyx is a 7th Anniversary gemstone.
 
Chakras - Base Chakra
Zodiac - Gemini, Leo
Element - Earth
Numerical Vibration - Number 6
Typical colours - Black, grey, white, blue, brown, yellow, red, green
 
Onyx gives strength.  It promotes vigour, 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.