Photo 1 (IMAGE) Shinshu University Caption The effect of the holding temperature and solubility curve of rubies was elucidated, for Al2O3:Cr in MoO3 from 1050 to 1200. Credit Katsuya Teshima Ph.D., Research Initiative for Supra-Materials, Shinshu University 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.