Crystal Heart, 3-4cm. Crystals formed into the shapes of a heart help to activate the Heart Chakra and emanate good vibrations. The 4th chakra meanings relate to the feelings of compassion, peace and unconditional love. These assorted heart-shaped healing gemstones have varied healing functions, which can make you relaxed, bring peace and harmony, allow energy to flow through the heart, keep your thoughts positive to overcome difficulties and bring confidence. Portable and lightweight, easy to carry, you can put them in your pocket, bag or purse.