This buying guide will not only enable you to buy the perfect black onyx rings but also enlighten you about the benefits of wearing black onyx rings as well as black onyx jewelry in general. Choosing a black onyx ring because it looks beautiful and stylish is one thing, but choosing it for the healing properties associated with black onyx gemstone is another thing. We will cover both of these things through this blog, so without further ado, let’s get to know what is black onyx gemstone.