Cesium Platinide Hydride Crystals (IMAGE) DOE/Ames National Laboratory Caption Cesium platinide hydride, or 4Cs2Pt?CsH, forms a translucent ruby red crystal and can exist only in an inert environment similar to conditions that exist in outer space. Credit Ames Laboratory, US Department of Energy 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.