While some people through history used black onyx for mourning since it is so dark, it actually is thought to also smother negative emotions from exterior forces. Black Onyx is used as a powerful charm of self protection for that reason.
The Greek word Onyx means the nail of a claw or finger, the Greek legend is that one day while Venus was asleep, Cupid cut her fingernails. They fell to the ground, but because no part of a god can die, they became known as onyx.
Black Onyx opens the chakras and allows better flow of positive energy. This will allow you to feel more energetic and vibrant.
Onyx is a great healer in terms of depression, feelings of grief and sadness. It is also known to soothe worries, fears and anxieties. It is also a defensive stone so it will act against anyone trying to threat or send our negative energy and acts towards you. This stone will guide you to accomplish your dreams and ambitions. Black Onyx is also known to help women in labour pain and to help child birth delivery quick and easy. It is a great healer towards epilepsy and glaucoma.