Black onyx is an elegant and mysterious crystal that has attracted attention for centuries. It is a form of silicon oxide and belongs to the chalcedony family. Black onyx is known for its deep black color and smooth, polished surface.

The black color of onyx symbolizes protection, strength and grounding. The crystal is said to have a strong grounding energy and can help absorb and transform negativity. Black onyx is considered a protective stone that can create a shield against negative influence and harmful energies.