This gemstone eliminates negative thinking, it is also believed to sharpen the wits of the wearer. Onyx is said to bring spiritual inspiration. It is a great assistance in holding emotions and passions under control. Black Onyx is used to help one change habits.
Enhances self mastery, steadfastness, and determination, setting ones mind to a task. It is grounding stone and can be used to deflect or absorb the negativity of others, and in that way is a good stone for protection from negative forces and influences.
Onyx helps you become the Master of your own Fate. Valuable in difficult or confusing times of our lives. Absorbs and flattens emotional intensity.
Helps to smooth out the "Roller Coaster Ride" of emotions. Protection: A good stone for Entrepreneurs and Inventors, to repel negative energy surrounding other peoples opinions or ideas.
Excellent stone for initiating the process of centering and alignment of the total person with a Higher Power. It helps us to absorb whatever energy we need from the Universe. Balances and grounds. Not a "healing stone", rather it repels (negative energy).
post script: this is another gemstone associated with a 7th wedding anniversary!