Emerald is a stone of inspiration and eternal patience.  It's known as the stone of successful love, bringing with it domestic bliss, loyalty and balance.  It's all about unconditional love, partnership, enhancing unity and promoting friendship.  It's a great balancer ensuring physical, emotional and mental stability.  It helps with mental clarity by strengthening your memory and inspiring a deep inner knowing.  It also helps to dissipate negative energies and bringing in postive ones.  
 
Chakra: Heart