Onyx is a good stone to ward off negative energy for entrepreneurs and investors (investor).

Enhance self-control, perseverance, and determination, setting / control minds of people to perform tasks.

This stone can be used to deflect or absorb the negative side of others, so that the stone is good for strength and protection from negative influences.

Assist in the care of teeth, bone, bone marrow, blood disorders, leg. glaucoma, epilepsy, and cell damage.