A Typical Diffraction Pattern (IMAGE) International Union of Crystallography Caption Each dot forms from the constructive interference of X-rays passing through a crystal. The data can be used to examine the crystal's structure. Credit M. Grabowski et al. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.