Pyrite is known mostly as an Abundance stone, but it's also a powerful protection stone. It helps shield against all forms of negative energy.
It's a stone that helps bring happiness, success, enthusiasm and power. It helps bolster your Solar Plexus and bring out inner determination and will power.
I have one at my front and back door, for protection, good vibrations and abundance.
It's commonly found in money drawing bags, as it reflects the energy of gold.