Onyx is a variety of chalcedony. It is a parallel banded silicate mineral and tends to be black with white banding in its most common form. However, varieties of Onyx can also be green, pink, brown, red and green and even clear with white banding. It is mostly made of calcite and has a waxy luster.
Often used as an amulet against negative energy, Black Onyx is a master of good fortune. All black stones have solid healing properties particularly when it comes to protection and shielding you against anything that could bring harm. Onyx is ripe with powerful vibrations and can bring shades of strength and willpower to the wearer.
A tonic for the nerves, Black Onyx is full of great grounding energy that helps you to feel stable in this world. Along with getting your nervous system in check, this deep dark gem also brings a boost to the immune system, raising your stamina and helping you to get back on your feet particularly after long periods of illness or fatigue.