Heart. It symbolizes human feelings, especially love, affection, and the capacity of connecting with other people.
Malachite The stone's name comes from Greek "molochitis lithos", "mallow-green stone". Malachite will protect you from dangers, and will help you face them. It is used for purifying energies and bodies. It is connected with the third and fourth chakra. It can improve your mood; it helps regenerate tissues, and gives emotional balance. Malachite is the intelligence stone, it provides inspiration; it is a creativity symbol. It is a balance stone; it helps channeling your energy, and directs it towards an objective.