Rose Quartz enhance immune system, benefit  for kidneys and circulatory ( include energy and blood circulatory system). Increase fertility. Cleanse negative emotion such as anger, guilt, fear, jealousy. Reduces stress. Calm. peace . Enhance  self-esteem , forgiveness , loving kind compassion and gentleness. Good for friendship and relationship, it could  make the friendship and relationship smooth. Chakra: heart, crown.