The green in onyx is associated with the healing and strengthening of the heart, both physically and emotionally.
It is thought to bring strength and balance to the emotions and be helpful for people under extreme mental or emotional stress encouraging a sense of security.
Onyx is a great stone for people who are not wholey on this planet as it brings focus and grounding making it easier to keep your feet on the ground which in turn helps with focus!
An empowering stone that can help you approach a lesson or task with self-confidence it is said to bring happiness and good fortune.