Black Onyx, like most black stones, are powerful Root Chakra stones, with strong grounding and protective properties. Black Onyx enhances self-discipline, and self-control, to ease through tasks and projects. Black Onyx is the perfect stone for procrastinators, and those who like to wander from their goals.This stone is also a stone of death in both the physical and symbolic sense. Black Onyx is very useful to those struggling with grief, as it helps navigate through the emotions related to loss. Death can also mean transitions or regression in life, as it is the end of something. Being a stone of discipline, it will move things along in a way you may or may not be ready for.