Natural Crystal (Clear) Design: Daya Diamond Cut Size: 12mm Inner Diameter: 18cm Crystal is effective in removing distractions, enhancing concentration, and clearing the mind and body. It is also used to purify other power stones and is popular for warding off evil and protection. Main effects of crystal: Purification: Crystal is said to purify the owner's energy and dispel evil and negative energy. Mental stability: Crystal is said to have the effect of calming the mind and body and stabilizing the spirit. Improved concentration: It has the effect of removing distractions and enhancing concentration, which is useful for improving performance in studies and work. Energy amplification: Crystal can also amplify the owner's energy and awaken potential abilities. Physical effects: It is expected to improve physical condition, such as activating metabolism and promoting toxin excretion. We will cleanse the crystal before shipping, so please use it with confidence. Thank you for viewing.