This apophyllite crystal mineral specimen is 7 1/2 inches long and 3 1/2 inches wide, and 3 inches thick. Apophyllite - This powerful vibrational transmitter is a stone of truth that corrects imbalances and brings recognition of one’s true self. It releases mental blocks and negative thought patterns, making it a very effective personal power crystal. Apophyllite is used in Reiki, meditation, and crystal healing. Its high energy conductivity makes it a perfect stone for this purpose. The naturally formed pyramids help to magnify and focus energy. Apophyllite is used to establish a connection with higher realms. It is believed to create a conscious link between the material world and the spiritual sphere. In addition to resonating with the Third Eye and Crown Chakras, Green Apophyllite also resonates with the Heart Chakra.