This crystal(another one of my favorites) is known as the love crystal. It aids in calming, removes negativity, and heals emotional wound stress. This crystal also helps to create loving relationships.
Located within your heart. Color is Green. Controls circulation, arms, shoulders, hands and lungs. Signs of a blocked Heart Chakra include; Feeling lonely, lack of compassion, in constant unhealthy relationships, lack of emotional fulfillment, difficulty of both giving and accepting love, lack of sense of connection to the divine and nature.