Red Jasper is great, valuable stone of protection. Red Jasper guards against physical threats, psychic attacks, and assists in situations of danger.  It also absorb electromagnetic and environmental pollution and radiation. It's also good for inducing passion
 
Black Obsidian is a powerful cleanser of psychic junk created within your aura, and is a strong psychic protection stone. This stone has powerful metaphysical properties that will help to shield you against negativity.