New Quasicrystals (IMAGE) DOE/Ames National Laboratory Caption The pentagonal dodecahedral morphology of the icosahedral phase is shown with a millimeter scale; grains as large as 1.0 mm have been grown. Credit Ames Laboratory, USDOE 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.