Onyx is a moderately hard gemstone with a Mohs scale hardness rating of 6.5 to seven. It is therefore relatively durable and will withstand cuts normally reserved for harder gemstones. The luminous white bands within the gem are a characteristic of the stone. According to an ancient Greek legend, Cupid cut his mother's fingernails and the immortal pieces fell to earth and became Onyx.
Onyx has many benefits, not the least of which is that it is incredibly beautiful. It is said to increase strength and stamina and can be beneficial in meditation. It is also said to remove nervousness, worry, and confusion. Onyx has the power to enhance memory. It can be a good gift for those with a dark personality or a hard time concentrating.
Onyx is mined in many countries around the world, including Brazil and the U.S. The other notable sources are Yemen and Pakistan. Onyx has been worn for centuries as a talisman and as a protective stone. It is also said to promote emotional well-being and relieve mental stress. Hence, it is important to store your Onyx jewelry properly and keep it out of the reach of water.