Laser Compositional Image of 3D Crystal (IMAGE) Trinity College Dublin Caption Laser compositional image in 3D of a volcanic crystal. Different crystal zones are shown with different colours. Credit Courtesy of Teresa Ubide, Trinity College Dublin 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.