Pyrite is thought of as a very protective stone, and may protect against all forms of negativity, including that which is internally created. It’s thought to encourage the ideal of health, intellect, and emotional well-being. Pyrite is also thought to boost willpower, strength, and optimism, while stimulating the intellect and enhancing memory. This stone resonates with the Solar Plexus chakra, thereby boosting confidence, luck, and energy.