Rose quartz crystal has much evidence of healing Heart Chakra. It is believed to promote feelings of Peace, calm and self love.
Rose quartz crystals are used in Reiki healing energy practice in Far East, China and Japan and some parts of Central Asia. 
Its found in Srilanka, Brazil and Madagascar.
Buy one for clearing heart chakra; replace negative emotions with good vibes, placing the wearer in state of balance and self love.