4th chakra. Eudialyte is used to both open and to activate the heart chakra and has been known as a 'stone of the heart land'. This is one of the most desired metaphysical stones for the new age. Offers self love and aids in giving love to others while learning about forgiveness. Learning to forgive is truly liberating and can help you advance further along your personal growth path. Facilitates ESP. Eudialyte has been used in the treatment of optic nerve disorder. Vibrates to the number 3.