Also known as Optical Calcite. It works to clear and activate all of the chakras, improving the flow of energy throughout the subtle bodies. A powerful energy amplifier and cleanser. It stimulates spiritual growth and assists with developing psychic gifts. Cleanses the environment. Optical Calcite is helpful for those in need of clarity, and those who are learning about Law of Attraction and manifestation. Like Clear Quartz, can amplify intent, and can be programmed for a specific purpose. Known as the "stone of the mind." Calcite increases memory and learning abilities and known stone for students and academics, and can be indispensable at helping students to retain their lessons.