Lots of Crystals vs Not So Much (IMAGE) University of Alaska Fairbanks Caption Magmas with more than 20 percent crystals tend to form connected networks that channel the gas. The image on the right shows magma that is 33.1 percent crystals. The crystals are channeling the gas bubbles, shown in green and blue. The image to the left does not contain enough crystals to channel the gas. Credit Image courtesy of Amanda Lindoo Usage Restrictions Please credit person providing image 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.