Black Agate- Black Agate protects from danger, gives power against forces of darkness, and brings emotions into equilibrium. Agate can harmonise positive and negative forces, alleviate bad dreams and can give courage, energy, strength, and dispel fears, all of which increase self-confidence. Helps stabilize your nervous system and grounds you more. (ROOT CHAKRA) 
7 chakras - Chakras are thought to provide subtle energy that helps your organs, mind, and intellect work at their best level . Energy (known as prana in the yogic tradition) flows through the chakras. When a body is balanced, energy flows freely and can be energizing, revitalizing, and peaceful. It helps with balance