Historically, Green Onyx has held significant cultural and spiritual importance. Ancient civilisations, such as the Egyptians and Romans, revered it for its believed mystical properties. In Egypt, it was associated with fertility and renewal, often placed in tombs to ensure eternal rejuvenation. The Romans valued it for its perceived ability to enhance focus and concentration, using it in amulets worn by scholars and philosophers.

In contemporary times, Green Onyx is commonly used in meditation practices, believed to promote inner peace and harmony. Its calming energy is thought to soothe the mind and elevate spiritual consciousness.

It is often associated with promoting balance and harmony on a spiritual level. Its soothing green colour is believed to have a calming effect on the mind and body, helping to alleviate stress and anxiety. In spiritual practices, Green Onyx is thought to balance the energies within oneself, fostering a sense of equilibrium and inner peace.

Additionally, Green Onyx is said to enhance one's ability to focus and concentrate, aiding in meditation and mindfulness practices. By aligning the chakras and clearing negative energies, it may help individuals achieve a deeper connection with their inner selves and the universe.

Green Onyx has been mined and admired across various countries, including India, Brazil, and Iran.