Two Quasicrystals (image) Princeton University Share Print E-Mail Caption The top panel shows the symmetry of the first natural quasicrystal, icosahedrite. The lower panel shows the symmetry of the recently discovered quasicrystal, which has not yet been named. Credit Source: Paul Steinhardt et al. Usage Restrictions For non-commercial use. Credit: Paul Steinhardt et al. Share Print E-Mail 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.