Aquamarine:  Inspires truth, trust and letting go.  It is a Water element stone, powerful for cleansing the emotional body and opening communication. It also identifies where ego is causing one to overreact, assume a victim/abuser role, manipulate others, or martyr oneself. By consciously releasing these patterns, it allows for better relationships, love and compassion.  
Related Chakra - Throat Chakra
Energy Words:  calming, soothing, and cleansing.